Talk:Q19847637

List of wikidata entries using this property with a view to were possibile them having a URL match pattern in the future.

Manually update list

This list is periodically updated by a bot. Manual changes to the list will be removed on the next update!

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Article	description	URL match pattern	web page title extract pattern
#SOSBrutalism ID	identifier for #SOSBrutalism database website	^https:\/\/www\.sosbrutalism\.org\/cms\/(?:15802395#)?([1-9][0-9]*)
08euro.Ru person ID	identifier for a participants of UEFA Euro 2008 at 08euro.Ru site
2GIS place-ID	identifier 2GIS of a place	^https:\/\/2gis\.ru\/sochi\/geo\/(\d+)
2GIS route-ID	identifier 2GIS of a route
2nd German Basketball Bundesliga ID	unique identifier of a player in der second German basketball league
3DMet ID	identifier of chemical compounds in 3DMet database	^https?:\/\/(?:www\.)?3dmet\.dna\.affrc\.go\.jp\/cgi\/show_data\.php\?acc=(B\d{5})
500 Queer Scientists profile	profile on 500 Queer Scientists database	^https:\/\/500queerscientists\.com\/(.+)
64 Parishes encyclopedia ID	identifier for a topic in the 64 Parishes encyclopedia
90minut.pl team ID	identifier for a association football (soccer) team in the 90minut.pl database	^https?:\/\/(?:www\.)?90minut\.pl\/skarb\.php\?id_klub=([1-9]\d{0,6})
A Dictionary of Arabic Literary Terms and Devices ID	identifier for a subject page in A Dictionary of Arabic Literary Terms and Devices
A New Nation Votes ID	ID of a person in A New Nation Votes: American Electoral Returns, 1788-1825	^https?:\/\/elections\.lib\.tufts\.edu\/catalog\/([A-Z]{2}\d{4})
AAAS keyword ID	identifier for a topic, used by the American Association for the Advancement of Science (AAAS)
AAGM site ID	identifier for a site in the Aberdeen Archives, Gallery & Museums (AAGM) catalogue
ABBBS Taxon ID	unique identifier of a taxon listed in the Australian Bird and Bat Banding Scheme Database	^https?:\/\/(?:www\.)?environment\.gov\.au\/cgi-bin\/biodiversity\/abbbs\/abbbs-search\.pl\?taxon_id=(\d+)
ABS ASCL 2011 code	Numerical language identifier in the Australian Standard Classification of Languages regulated by Australian Bureau of Statistics
ACE Repertory work ID	registration identifier for a composition at ACE Repertory	^https?:\/\/(?:www\.)?ascap\.com\/repertory#ace\/work\/(\d+)
ACL Anthology article ID	ID of an article in ACL Anthology	^https?:\/\/(?:www\.)?aclweb\.org\/anthology\/([A-Z]\d{2}-\d{4})\/
ACM Digital Library event ID	unique identifier of an event or conference series of the Association for Computing Machinery (ACM)	^https?:\/\/dl\.acm\.org\/event\.cfm\?id=(RE\d{3})
ACMA Broadcast Service Licence Number	unique identifier of a Broadcast Service Licence issued by the Australian Communications and Media Authority	^https?:\/\/web\.acma\.gov\.au\/rrl\/licence_search\.results_page\?pQRY=(\d+)^|^Broadcast\+Service\+Licence&pSUB_TYPE=BSL\+Number^|^Service&pEXACT_IND=matches^|^matches
ACMI ID	public identifiers used by the Australian Centre for the Moving Image	https?:\/\/www.acmi\.net\.au\/(\w*)\/(\d*)
ADK member ID	Akademie der Künste in Berlin member ID	^https?:\/\/(?:www\.)?adk\.de\/de\/akademie\/mitglieder\/\?we_objectID=((4999[6-9]|5[0-4]\d\d\d|55[0-6]\d\d|5570\d|5571[0-8]))
ADL Hate Symbols Database ID	ID for a item in the Anti-Defamation League Hate Symbols Database	^https:\/\/www\.adl\.org\/resources\/hate-symbol\/([^#\/]+)
AEDA subject keyword ID	identifier of a subject keyword in the Agricultural and Environmental Data Archive (AEDA)
AFCD PFKID	unique identifier for a food type in the Australian Food Composition Database	^https?:\/\/(?:www\.)?foodstandards\.gov\.au\/science\/monitoringnutrients\/afcd\/Pages\/fooddetails\.aspx\?PFKID=(F\d{6})
AFL Tables umpire ID	ID for a VFL/AFL umpire at afltables.com	^https?:\/\/afltables\.com\/afl\/stats\/umpires\/([A-Za-z-_]+\d?)\.html
AHNMNH publication ID	identifier for a publication in the Annales Historico-Naturales Musei Nationalis Hungarici
AICS Chemical ID (BEING DELETED)	unique identifier of a chemical in the Australian Inventory of Chemical Substances
AICTE Permanent ID	identifier number issued by AICTE, the authorized organization in India which grants approval for starting and accreditation technical institutions in India	^https?:\/\/(?:www\.)?knowyourcollege-gov\.in\/InstituteDetails\.php\?insti_id=(1-\d{7,10})
AISHE code	identifier for a college, university, or standalone institution in India issued by the All India Survey on Higher Education
ANSI/NISO standard ID	identifier for the number of the ANSI/NISO standard which normalizes the object	^https:\/\/global\.ihs\.com\/search_res\.cfm\?&input_search_filter=ANSI&input_doc_number=(Z39\.?\d*(-\d+)*.*)&input_doc_title=&org_code=ANSI
ANZCTR ID	identifier of a clinical trial in the Australian New Zealand Clinical Trials Registry	^https?:\/\/(?:www\.)?anzctr\.org\.au\/Trial\/Registration\/TrialReview\.aspx\?id=([1-9]\d*)(&isClinicalTrial=True)?
ANZSRC 2008 FoR ID	Australia and New Zealand Standard Research Classification 2008 identifier for a field of research. 1419 nodes at 3 levels: 22 Divisions, 157 Groups, 1340 Fields	^https?:\/\/purl\.org\/au-research\/vocabulary\/anzsrc-for\/2008\/([0-9]\d{1,5}) ^https?:\/\/vocabs\.ands\.org\.au\/repository\/api\/lda\/anzsrc-for\/resource\?uri=https?:\/\/purl\.org\/au-research\/vocabulary\/anzsrc-for\/2008\/([0-9]\d{1,5})
APA Dictionary of Psychology entry	entry in the online version of the APA Dictionary of Psychology
ARICNS	identifier for stars in ARICNS	^https?:\/\/wwwadd\.zah\.uni-heidelberg\.de\/datenbanken\/aricns\/cnspages\/4c([0-9]{5})\.htm
ARK formatter	formatter to generate Archival Resource Key. Include $1 to be replaced with property value
ARRS race ID	identifier for races held by ARRS (Association of Road Racing Statisticians)	^https?:\/\/more\.arrs\.run\/race\/([1-9]\d*)
ARWU university ID	identifier for a university on Shanghai-Rankings website	^https:\/\/www\.shanghairanking\.(?:com|cn)?\/institution\/([^\s\/]+)
ASCCEG 2019 ID	identifier in the Australian Standard Classification of Cultural and Ethnic Groups 2019
ASF KID Cave Tag Number	unique identifier for caves within the Karst Index Database of the Australian Speleological Federation	^https?:\/\/guest:kranki@kid\.caves\.org\.au\/kid\/users\/search\/simple\?searchfor=([A-Z\d]{1,4}-X?\d+)
ASHRAE refrigerant number	identifier of a refrigerant assigned in ANSI/ASHRAE standard 34
AWB lemma ID	identifier for this lexeme in the Old High German dictionary at awb.saw-leipzig.de
AWS A3.0 process acronym	acronym used as a welding process identifier defined by the American Welding Society in AWS A3.0
AZGS Library ID	identifier for a document in the AZGS (Arizona Geological Survey) Library
Aathavanitli Gani film ID	identifier for Marathi films as described by Aathavanitli Gani website
Aberdeen Built Ships ID	identifier for a maritime vessel, in the Aberdeen Built Ships database
Aberdeenshire HER ID	identifier for a heritage feature in the Aberdeenshire Historic Environment Record website and database	^https?:\/\/online\.aberdeenshire\.gov\.uk\/smrpub\/master\/detail\.aspx\?refno=(N[HJKO]\d{2}[NS][EW]\d{4})
Academia.edu topic ID	identifier for a research topic on the Academia.edu website	^https?:\/\/www\.academia\.edu\/Documents\/in\/([\w_-]+)
AcademiaNet ID	identifier in the AcademiaNet database for excellent female scientists	^https?:\/\/(?:www\.)?academia\-net\.org\/profile\/[a-z-]+\/([1-9]\d{0,6})
AccessScience ID	identifier for content in the online encyclopedia AccessScience
Adelsvapen ID	Swedish noble family on Adelsvapen-Wiki	^https?:\/\/(?:www\.)?adelsvapen\.com\/genealogi\/(\S{2,128})
Adelung lemma ID	identifier for this lexeme in the Grammatisch-Kritisches Wörterbuch der Hochdeutschen Mundart at woerterbuchnetz.de
Agence photo RMN package ID	identifier for a museum, exhibition, collection, or theme, on the 'Agence photo de la Réunion des Musées nationaux et du Grand Palais' website
Ahotsak lexeme	lexicographic information at Ahotsak web	^https?:\/\/ahotsak\.eus\/corpusa\/lema\/([a-z]*)\/
Akadem organization ID (former scheme)	identifier for an organization in Akadem
Alexander–Briggs notation	common notation of abstract knots and links
Alfred P. Sloan Foundation grant ID	identifiers of grants in the database of the Alfred P. Sloan Foundation	^https?:\/\/sloan\.org\/grant-detail\/(\d+)
Algerian National Library ID	identifier for the subject issued by the ANL (Algerian national library), alias: ANL ID ; BNA ID; NLA ID
Algerian National Statistics Office ID	identifier for the subject issued by the ANOS (Algerian National Office of Statistics)	^https?:\/\/(?:www\.)?ons\.dz\/spip\.php\?rubrique(\d+)
Algerian commune ID	identifier for a commune in the Ministry of the Interior of Algeria
Algerian district ID	identifier for a district in the Ministry of the Interior of Algeria
Algerian trademark number ID	identifier for a trademark in the Algerian National Industrial Property Institute	^https?:\/\/e-services\.inapi\.org:2023\/wopublish-search\/public\/detail\/trademarks\?id=((DZT)[0-9\_]+)
AllMovie genre ID	identifier for a film or television genre on the AllMovie film database
AllMusic performance ID	identifier for a recording of a performance in AllMusic	^https?:\/\/(?:www\.)?allmusic\.com\/performance\/(mq[0-9]{10})
Altmetric DOI	DOI of a scientific or academic article at altmetric.com, to track citation metrics	^https?:\/\/www\.altmetric\.com\/details\/doi\//(^10.\d{4,9}\/[-._;()\/:A-Z0-9]+$)
Amarkosh ID	ID for an entry in the online dictionary Amarkosh
Amazon Standard Identification Number	identifier for a product on Amazon.com websites	^https?:\/\/www\.amazon(?:\.co)?\.[a-z]+\/(?:[^\/]+\/)?dp\/([A-Z\d]{10}) ^https?:\/\/www\.amazon\.[a-z]+\/gp\/video\/detail\/([A-Z\d]{10}) ^https?:\/\/(?:www\.)?amazon\.\w+(?:.\w+)?\/exec\/obidos\/ASIN\/([A-Z\d]{10}) ^https?:\/\/www\.amazon(?:\.co)?\.[a-z]+\/gp\/product\/([A-Z\d]{10}) https:\/\/www\.amazon\.\w+\/-\/\w+\/dp\/([A-Z\d]{10}) ^https?:\/\/amazon\.com\/dp\/_\/([A-Z\d]{10}) ^https?:\/\/amazon\.com\/s?k=\/([A-Z\d]{10})
Amazon author ID	author identifier on Amazon.com	^https?:\/\/(?:www\.)amazon\.(?:com|fr|es|de|co\.uk|co\.jp)\/(?:.)\/(?:\w\w)\/(?:.+)\/e\/(B[0-9A-Z]+)[\/?#$] ^https?:\/\/(?:www\.)amazon\.(?:com|fr|es|de|co\.uk|co\.jp)\/s\?k=(B[0-9A-Z]+) ^https?:\/\/(?:www\.)amazon\.(?:com|fr|es|de|co\.uk|co\.jp)\/(?:[^\/]+)\/e\/([^\/?]+) ^https:\/\/www\.amazon\.com\/stores\/[^\/]+\/author\/(B[0-9A-Z]+) ^https?:\/\/(?:www\.)amazon\.(?:com|fr|es|de|co\.uk|co\.jp)\/(?:.+)\/(?:.+)\/author\/(B[0-9A-Z]+)[\/?#$] ^https?:\/\/(?:www\.)amazon\.(?:com|fr|es|de|co\.uk|co\.jp)\/(?:.+)\/author\/(B[0-9A-Z]+)[\/?#$]
Amazon.com browse node	node related to this concept on amazon.com	^https:\/\/www\.amazon\.com\/b\?node=(\d+)
Anais do Museu Paulista article ID	identifier for a scholarly article in the Anais do Museu Paulista	^https?:\/\/(?:www\.)?revistas\.usp\.br\/anaismp\/article\/view\/([1-9]\d{0,6})
Analysis & Policy Observatory term ID	identifier for a term in the Analysis & Policy Observatory taxonomy	^https?:\/\/apo\.org\.au\/taxonomy\/term\/([1-9]\d*)
Ancient Tree Inventory ID	identifier for ancient and notable trees in the United Kingdom	^https?:\/\/ati\.woodlandtrust\.org\.uk\/tree-search\/tree\/\?treeId=(\d{1,6})
AncientFaces person ID	ID of someone in AncientFaces	^https:\/\/www\.ancientfaces\.com\/person\/.+\/(\d+)
AniSearch anime ID	ID for an anime at AniSearch	^https\:\/\/www\.anisearch\.com\/anime\/(\d+)
Animated Knots ID	identifier for a type of knot, in the Animated Knots website	^https?:\/\/(?:www\.)?animatedknots\.com\/(\w+)\/
AnimeClick drama ID	identifier of drama from AnimeClick database	^https?:\/\/(?:www\.)?animeclick\.it\/live\/(\d+)
AnimeClick novel ID	identifier of novel from AnimeClick database	^https?:\/\/(?:www\.)?animeclick\.it\/novel\/(\d+)
AnyDecentMusic album ID	identifier for album reviews at AnyDecentMusic	^http:\/\/www\.anydecentmusic\.com\/review\/(\d+)\/_.aspx
Apache Project ID	identifier of Apache Project
App Store developer ID	identifier for an iOS app developer on App Store	^https?:\/\/apps\.apple\.com\/(?:[a-z]{2,3})\/developer\/(?:[^\/]+\/)?id([1-9]\d*)
Apple Books book ID (U.S. version)	identifier for an e-book in the American version of Apple Books	^https?:\/\/books\.apple\.com\/us\/book\/id([1-9][0-9]*)
Apple IIGS France ID	identifier of a software in the Apple IIGS France database	^https?:\/\/(?:www\.)?apple-iigs\.info\/detlogiciels\.php\?nom=([\w_\(\)]+)
Arabic Ontology ID	identifier for external link ontology.birzeit.edu, item equivalent on Q63107058 in English and/or Arabic	^https:\/\/ontology\.birzeit\.edu\/concept\/([1-9]\d{0,7})
Arabic Ontology lemma ID	identifier for a lemma in the Birzeit University Arabic Ontology database of morphologic entities
Arabic Ontology lexical concept ID	identifier for a lexical concept in the Birzeit University Arabic Ontology database of morphologic entities
Arachne building ID	identifier for a building in the Arachne database	^https?:\/\/arachne\.uni-koeln\.de\/item\/bauwerk\/([1-9]\d*)
Arachne collection ID	identifier for a collection in the Arachne database	^https?:\/\/arachne\.uni-koeln\.de\/item\/sammlungen\/([1-9]\d*)
Arachne entity ID	identifier for an entity in the archaeological database Arachne, version 4	^https:\/\/arachne\.dainst\.org\/entity\/([1-9]\d*)
Arachne object ID	identifier for an object in the Arachne database, version 3	^https?:\/\/arachne\.uni-koeln\.de\/item\/objekt\/([1-9]\d*)
Aragonario ID (6th version)	identifier for an Aragonese or Spanish lexeme in the Aragonese-Spanish online dictionary (version since January 2023)
ArchDaily architecture office ID	identifier for an architectural company on ArchDaily	https:\/\/www\.archdaily\.com\/office\/([a-z0-9-]+)
Archaeology Data Service ID	identifier for a work in the Archaeology Data Service Library database
Archival Resource Key	Archival Resource Key for item or image	^https?:\/\/n2t\.net\/(ark:\/\d{5}\/.*)
Archivarta ID	identifier of an object in the Archivarta database of cultural heritage
Archives Directory for the History of Collecting in America ID	identifier from the Archives Directory for the History of Collecting in America	^https?:\/\/research\.frick\.org\/directory\/detail\/([1-9]\d*)
Archives Portal Europe ID	identifier for an archival institution in the directory of Archives Portal Europe	https?:\/\/(?:www\.)archivesportaleurope\.net\/advanced-search\/search-in-institutions\/results-\(institutions\)\/\?repositoryCode=((?:[A-Z]{2}|EUR)-[A-Za-z0-9-]+)
Archives West finding aid ID	identifier of a finding aid in Archives West	^https?:\/\/archiveswest\.orbiscascade\.org\/ark:\/80444\/(xv[0-9]\d{4,5})\/
Archnet site ID	site ID of archnet.org related to architecture, urban issues, landscape design, visual culture and conservation issues	^https?:\/\/archnet\.org\/sites\/(\d+)
ArhivX LOD	Croatian art/theater linked open data
Arkivportalen agent ID	identifier for an actor (person or institution) in Arkivportalen, a website for Norwegian archives	^https?:\/\/(?:www\.)?arkivportalen\.no\/side\/aktor\/detaljer\?aktorId=([a-z]{2}-[-_a-zA-Z0-9]+[0-9])
Arkivportalen archive ID	identifier for an archive in Arkivportalen, a website for Norwegian archives	^https?:\/\/(?:www\.)?arkivportalen\.no\/side\/arkiv\/detaljer\?arkivId=([a-z]{2}-[-_a-zA-Z0-9]+[0-9])
Armenian Book ID	identifier for a written work in the Armenian Book database of National Library of Armenia	^https?:\/\/haygirk\.nla\.am\/cgi-bin\/koha\/opac-detail\.pl\?biblionumber=([1-9]\d*)
Armenian Cinema ID	identifier for a work or person, in the Armenian Cinema database of the Armenian Association of Film Critics and Cinema Journalists	^https?:\/\/(?:www\.)?arm-cinema\.am\/am\/([a-z]+(\_[a-z]+){0,2}\/[1-9]\d*)\.html ^https?:\/\/(?:www\.)?arm-cinema\.am\/en\/([a-z]+(\_[a-z]+){0,2}\/[1-9]\d*)\.html
Armenian Vikidia ID	name of the article in Armenian Vikidia	^https?:\/\/hy\.vikidia\.org\/wiki\/(\S{1,400})
Arnet Miner publication ID	ID of a publication in Arnet Miner
Art Gallery of Ontario object ID	identifier for an object in a collection of the Art Gallery of Ontario in Toronto
Art UK collection ID	identifier for art collections, in the UK	^https?:\/\/artuk\.org\/visit\/collection\/([\w-]+)
Art for the City inventory number	alphanumeric inventory number of a work in the Art for the City database
Artsdata.ca ID	identifier for resources in the Artsdata.ca Knowledge Graph	^https?:\/\/kg\.artsdata\.ca\/resource\/(K\d+-\d+)
Atari Legend ID	identifier in the Atari Legend database of Atari videogames	^https?:\/\/(?:www\.)?atarilegend\.com\/games\/games_detail\.php\?game_id=([1-9]\d*)
AtariAge ID	identifier in the AtariAge database of Atari videogames	^https?:\/\/atariage\.com\/software_page\.php\?SoftwareLabelID=([1-9]\d*)
Atarimania ID	identifier in the Atarimania database of Atari videogames	^https?:\/\/(?:www\.)?atarimania\.com\/pgesoft\.awp\?version=([1-9]\d*)
Atlante Geopolitico ID	identifier for an item in the Atlante Geopolitico on the website of the Institute of the Italian Encyclopaedia	^https?:\/\/(?:www\.)?treccani\.it\/enciclopedia\/([a-z]+[a-z0-9]*(?:\-[a-z0-9]+)*(?:_res\-[0-9a-f]{8}(?:\-[0-9a-f]{4}){3}\-[0-9a-f]{12})?)_\(Atlante[_\-]Geopolitico\)
Atlas of Living Australia ID	identifier for a taxon in the Atlas of Living Australia
Auckland Museum ID	identifier assigned to a person by the Auckland War Memorial Museum, New Zealand	^https?:\/\/(?:www\.)?aucklandmuseum\.com\/collections-research\/collections\/record\/am_person-([\d]+)
Augustins de l'Assomption ID	identifier for an Assumptionist on the website of the order
AustLII ID	identifier in the Australasian Legal Information Institute (AustLII) online database	^https?:\/\/www\.austlii\.edu\.au\/(au/(cases|legis|other)(/\w*){3-5})\.html
AustLit ID	identifier at AustLit	^https?:\/\/www\.austlit\.edu\.au\/austlit\/page\/([ACv]?\d+)
Australian Classification ID	identifier for a creative work on the Australian Classification Board's official website	^https?:\/\/www\.classification\.gov\.au\/titles\/([a-z0-9-]+)
Australian Educational Vocabulary ID	ID for curriculum term in one of the controlled vocabularies at Australian education vocabularies	^https?:\/\/vocabulary\.curriculum\.edu\.au\/([\w\/\d]*)\.html
Australian Research Council Grant ID	identifier for a grant issued by the Australian Research Council
Australian War Memorial ID	identifier for a person, event, unit, place, or item in the Australian War Memorial collection	^https:\/\/www\.awm\.gov\.au\/collection\/([A-Z]+\d+)
Australian honours ID	ID for an instance of an Australian honour being awarded to an Australian citizen	^https?:\/\/honours\.pmc\.gov\.au\/honours\/awards\/([1-9]\d+)
Austrian school ID	A 6-digit number used by the Austrian government to identify schools.
Authenticus ID	ID of a researcher in Authenticus website	^https?:\/\/(?:www\.)?authenticus\.pt\/([A-Z]-[0-9A-Z]{3}-[0-9A-Z]{3})
Author ID from the Modern Discussion website	digital identifier for article writers on the Modern discussion website	^https?:\/\/(?:www\.)?ahewar\.org\/m\.asp\?i=([1-9]\d*)
Authority file of the Iraqi Authors	an Iraqi authority list concerned with Iraqi authors to unify the wording of the Iraqi author’s name and provide an authority database
Azerbaijani National Encyclopedia ID	article identifier in the Azerbaijan National Encyclopedia
B3Kat dataset ID	entry ID in B3Kat, the joint union catalogue of the Bavarian Library Network (Bibliotheksverbund Bayern - BVB) and the Cooperative Library Network Berlin-Brandenburg (KOBV)
BBC Food ID	identifier for an entry on the BBC Food website	^https?:\/\/www\.bbc\.co\.uk\/food\/([a-z_\/]+)
BBFC reference	reference number for a film or video game (-2012) media content rating decision on BBFC's official website	^https?:\/\/(?:www\.)?bbfc\.co\.uk\/([A-Z]{3}\d{6})
BDFutbol team ID	identifier for a association football (soccer) team in the BDFutbol database	^https?:\/\/(?:www\.)?bdfutbol\.com\/en\/e\/e([1-9]\d{0,6})\.html
BDH edition ID	identifier of an edition on the Biblioteca Digital Hispánica, including the prefix "bdh"	^https?:\/\/bdh\.bne\.es\/bnesearch\/detalle\/(bdh00\d{8})
BFO class ID	identifier for Basic Formal Ontology, the upper-level ontology upon which OBO Foundry ontologies are built
BGS Lexicon of Named Rock Units ID	identifier for a stratigraphic unit given by the British Geological Survey	^https?:\/\/(?:www\.)?bgs\.ac\.uk\/Lexicon\/lexicon\.cfm\?pub=([A-Z]{1,4})
BHL creator ID	identifier for a creator of a work in the Biodiversity Heritage Library (BHL)	^https?:\/\/(?:www\.)?biodiversitylibrary\.org\/creator\/([1-9]\d*)
BHL part ID	identifier for a part of a work (such as a journal article or book chapter) in the Biodiversity Heritage Library (BHL)	^https?:\/\/(?:www\.)?biodiversitylibrary\.org\/part\/([1-9]\d*)
BIBFRAME Hub ID	identifier for a BIBFRAME Hub description from the Library of Congress Catalog, primarily generated by converting the Library's MARC Bibliographic records and MARC title authority records to BIBFRAME Hub descriptions
BMC ID	identifier of item in Bibliographia Medica Čechoslovaca database
BMRB ID	identifier of a compound in bmrb.wisc.edu, an NMR spectra database	^https?:\/\/bmrb\.wisc\.edu\/metabolomics\/mol_summary\/index\.php\?id=(bmse[0-9]{6})&whichTab=0
BMZ lemma ID	identifier for this lexeme in the Middle High German dictionary by Benecke, Müller, Zarncke at woerterbuchnetz.de	No/unknown value
BRUZZ topic ID	identifier for a topic on the BRUZZ website
BSDB player ID	player ID on BSDB (database on football in Belgium)
Baden-Württemberg protected area ID	identifier for nature and landscape protected areas in Baden-Württemberg (Germany), issued by the Landesanstalt für Umwelt Baden-Württemberg
Badok ID	identifier for an entity in the website Badok.eus	^https?:\/\/(?:www\.)?badok\.eus\/euskal-musika\/[a-z0-9-]+(\/[a-z0-9-]+)?
Bahamut Gamer's Community ACG Database ID	a Taiwanese database for Games, Animation, Comic, Light Novels	^https?:\/\/acg\.gamer\.com\.tw\/acgDetail\.php\?s=(\d+)
Balochistan EMIS code	identifier for a school (usually government-affiliated) in the province of Balochistan	^https?:\/\/emis\.gob\.pk\/Views\/Reports\/Reports\/SchoolProfileSummaryReportsPublic\.aspx\?BemisCode=(\d{5})
Bane NOR Network Statement ID	identifier for Norwegian railway stations and lines in Bane NOR's Network Statement
Banglapedia ID (Bengali)	identifier for a Bengali article on Banglapedia, the national online encyclopedia of Bangladesh
Barnivore product ID	identifier for a product on Barnivore
Basis Wien event ID	identifier of an event in the Basis Wien database	^https?:\/\/(?:www\.)?basis-wien\.at\/db\/event\/([0-9]\d*)
Basis Wien institution ID	identifier of an institution in the Basis Wien database	^https?:\/\/(?:www\.)?basis-wien\.at\/db\/institution\/([0-9]\d*)
Basis Wien object ID	identifier of an object in the Basis Wien database	^https?:\/\/(?:www\.)?basis-wien\.at\/db\/object\/([0-9]\d*)
Basque Vikidia ID	ID of the article in Basque Vikidia	^https?:\/\/eu\.vikidia\.org\/wiki\/(\S{1,400})
BeSoccer player ID	identifier for a player's profile on the BeSoccer website
Behind The Voice Actors TV show ID	identifier of a television show on the website Behind The Voice Actors	^https?:\/\/www\.behindthevoiceactors\.com\/tv-shows\/([^.\/\s]+)\/(?!.)
Behind The Voice Actors short ID	identifier of a short on the website Behind The Voice Actors	^https?:\/\/www\.behindthevoiceactors\.com\/shorts\/([^.\/\s]+)\/
BelTA dossier ID	identifier for people, organizations, events etc. at the Belarusian state news agency BelTA
Belarus in persons and events ID	page in the encyclopedia "Belarus in persons and events"	^https?:\/\/bis\.nlb\.by\/(?:by|ru|en)\/documents\/([1-9]\d*)
Belgian Heritage in Brazil ID	identifier for notorious individuals, companies and artworks associated to the Belgian heritage in Brazil
Beta maṣāḥǝft ID	stable identifier of a resource linked to the Ethiopic manuscript tradition present in the Beta maṣāḥǝft research environment (https://betamasaheft.eu/)	^https?:\/\/betamasaheft\.eu\/([A-Za-z0-9]+)
Biblioteca Nacional de Chile catalogue number	catalogue number for books (editions), periodical, magazine, map, photography and other media in the Biblioteca Nacional de Chile	^https?:\/\/(?:www\.)?bncatalogo\.cl\/F\/\?func=direct&local_base=BNC01&doc_number=(\d{9})
Bilbaopedia ID	identifier for a topic in the Spanish encyclopedia Bilbaopedia regarding Bilbao
Bilibili tag ID	number of a tag of Bilibili, a Chinese video website similar to YouTube or Niconico	^https?:\/\/(?:www\.)?bilibili\.com\/tag\/([1-9]\d*)
Bilibili user ID	this item's user ID on Bilibili	^https?:\/\/space\.bilibili\.com\/([1-9]\d*)
Bilibili video ID	identifier of a video on Bilibili	^https?:\/\/(?:www\.)?bilibili\.com\/video\/((?:av|AV)[1-9]\d*|BV[0-9A-Za-z]{10})
Bill Number	number assigned to a bill to be submitted to the parliament of the state or local government
Bing entity ID	identifier for an entity on Microsoft Bing	^https:\/\/www\.bing\.com\/images\/search\?q=[^&]+&cbn=KnowledgeCard&stid=([a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}) ^https:\/\/www\.bing\.com\/search\?FORM=SNAPST&q=(?:.+)&filters=sid:%22(.+)%22 ^https:\/\/www\.bing\.com\/search\?(?:.+)?q=(?:.+)&cvid=([^&]+)
BioRxiv ID	identifier of a document in BioRxiv, a preprint repository for the biological sciences launched in November 2013	^https?:\/\/(?:dx\.|www\.)?doi\.org\/10\.1101\/((\d{4}\.\d{2}\.\d{2}\.)?\d{6})
Biodiversity of West Bengal species ID	identifier for species found in West Bengal maintained by the 'Biodiversity of West Bengal' database	^https?:\/\/biodiversityofwestbengal\.wildwingsindia\.in\/description\.php\?sname=([\w\s]*)
Biographical Dictionary of Foreign Kartvelologists of Georgia ID	Identifier for a person in the Biographical Dictionary of Foreign Kartvelologists of Georgia
Biographisches Portal der Rabbiner ID	ID of a rabbis in Biographisches Portal der Rabbiner
Biology Online Biology Dictionary entry	entry for a term in the Biology Online Biology Dictionary
Birds of India ID	identifier for birds found in India maintained by the 'Birds of India' database	^https?:\/\/(?:www\.)?birdsofindia\.org\/#!\/sp\/([0-9]+)
BitterDB compound ID	identifier of chemical compound in BitterDB
BlackPast.org ID	identifier for articles on BlackPast.org	^https?:\/\/(?:www\.)?blackpast\.org\/([a-z\-]+\/[a-z0-9\-]+(\/[a-z0-9\-]+)*)\/
Bloomsbury Fashion Central ID	numerical identifier for an entry in the Bloomsbury Fashion Central database
Bluetooth Declaration ID	unique identifier of a certification granted by Bluetooth SIG for product conformance to Bluetooth standards
BoardGameGeek family ID	identifier for a game series on the BoardGameGeek website	^https?:\/\/(?:www\.)?boardgamegeek\.com\/boardgamefamily\/([1-9]\d{0,5})
Boig Sardanista sardana ID	identifier for entities in the Boig Sardanista website	^https:\/\/boig.sardanista.cat\/llistat.asp\?idsardana\=(\d+)$
Bollywood Hungama person alphabetic ID	identifier of an artist on Bollywood Hungama	^https?:\/\/(?:www\.)?bollywoodhungama\.com\/celebrity\/([a-z][a-z-]+\d*)\/filmography\/
BookBrainz work ID	identifier for a work on the BookBrainz open book encyclopedia	^https?:\/\/bookbrainz\.org\/work\/([0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12})
Borden Code	unique identifier of a archeological site in Canada
Bowers acronym	unique identifier for a geometric shape
BrainInfo ID (hierarchical)	numeric identifier of a brain structure in the BrainInfo (NeuroNames) database in hierarchical mode	^https?:\/\/braininfo\.rprc\.washington\.edu\/centraldirectory\.aspx\?type=h&ID=(\d+)
Brazilian Electoral Unit ID	unique identifier of an brazilian electoral unit, defined by the Brazilian Superior Electoral Court
Brazilian Football Confederation player ID	identifier for football player on site Brazilian Football Confederation	^https?:\/\/(?:www\.)?cbf\.com\.br\/futebol-brasileiro\/atletas\/([1-9]\d+)
Brazilian aerodrome identification code	national identifier of Brazilian aerodromes
Brazilian federal deputy ID	identifier for a member of the Chamber of Deputies of Brazil	^https?:\/\/(?:www\.)?camara\.leg\.br\/deputados\/(\d+)\/biografia
Brazzers ID	identifier for a pornographic actor on Brazzers	^https:\/\/www\.brazzers\.com\/pornstar\/(\d+)\/
Brenda Tissue Ontology ID	identifier in the Brenda Tissue Ontology	^https?:\/\/(?:www\.)?brenda-enzymes\.org\/ontology\.php\?ontology_id=3&id_go=(BTO:\d+)
Breton Favereau dictionary lexeme ID	identifier for a Breton lexeme in the translation dictionary compiled by Francis Favereau
Brilliant Wiki ID	identifier for a Brilliant.org wiki article	^https?:\/\/brilliant\.org\/wiki\/([^\/?#]+)\/
British Comedy Guide person ID	Identifier of a person on comedy.co.uk	^https:\/\/www\.comedy\.co\.uk\/people\/([a-z_-]+)
British Listed Buildings ID	identifier for the British Listed Buildings website	^https?:\/\/(?:www\.)?britishlistedbuildings\.co\.uk\/([1-3]\d{8})
British Music Collection composer ID	identifier for a composer on the British Music Collection website
Broadcast Radio Bearer URI	identifier linking Wikidata item to the broadcast parameters for a transmission	^https?:\/\/www\.radiodns\.uk\/services\/(.+)\/(.+)\/(.+)\/(.+)\/(.+)
Brooklyn Museum Exhibition ID	id of an exhibition in the Brooklyn Museum's "opencollection" subwebsite	^https?:\/\/(?:www\.)?brooklynmuseum\.org\/opencollection\/exhibitions\/([1-9]\d*)
Bundle ID	unique identifier for an application used in iOS, iPadOS, macOS, watchOS and tvOS systems	^https?:\/\/itunes\.apple\.com\/lookup\?bundleId=([0-9A-Za-z\-.]+)
Bursa Malaysia stock code	stock code on Bursa Malaysia	^https?:\/\/(?:www\.)?bursamalaysia\.com\/trade\/trading_resources\/listing_directory\/company-profile\?stock_code=(\d+)
Buzer.de law identification	identification number of a law in Buzer.de
Bérose ID	identifier for a person, a journal or an institution on the website of the Bérose online encyclopedia	^https:\/\/www\.berose\.fr\/\?-([^\s\/&]+)-
CA PROP 65 ID	ID for substance in California Proposition 65 list of chemicals known to cause cancer or reproductive harm
CAGE code	identifier for a supplier to government agencies
CALS Encyclopedia of Arkansas ID	identifier for an entry on the CALS Encyclopedia of Arkansas website
CBDB.cz author ID	numeric ID of author in Československá bibliografická databáze
CBDB.cz book ID	numeric ID of a book in Československá bibliografická databáze
CBSE affiliation number	code for schools affiliated to Central Board of Secondary Educ CBSE affiliation	^https?:\/\/cbseaff\.nic\.in\/cbse_aff\/schdir_Report\/AppViewdir\.aspx\?affno=(\d*)
CCFr document ID	identifier for a document on the collective catalog of France
CDDA designationTypeCode	code for the national designation type used in the Common Database on Designated Areas inventory (CDDA)
CDep.Ro NGO ID	identifier for a Non-Governmental Organization in the database of the Chamber of Deputies of Romania on the CDep.Ro website
CEEB K-12 school code	code issued by the College Board for K-12 schools
CETS number	Council of Europe treaty number	^https?:\/\/(?:www\.)?coe\.int\/web\/conventions\/full-list\?module=treaty-detail&treatynum=([0-9]{3}[A-Z]?)
CIP data sheet	CIP data sheet of the object
CISCE school code	code for schools affiliated to the Council for the Indian School Certificate Examinations
CIViC variant ID	identifier used in the CIViC database to identify specific variant	^https?:\/\/civic\.genome\.wustl\.edu\/links\/variants\/([1-9]\d*)
CIÊNCIAVITAE ID	identifier of scientific author in www.cienciavitae.pt	^https?:\/\/www\.cienciavitae\.pt\/((?:[0-9A-F]{4}-){2}[0-9A-F]{4})
CNO-11 occupation code	Spanish classification of occupations CNO-11 maintained by the Spanish INE (Instituto Nacional de Estadística)
COD ID	identifier of a crystal structure in the Crystallography Open Database (COD)	^https?:\/\/(?:www\.)?crystallography\.net\/cod\/([1-9][0-9]{6})\.html
CORE ID	ID of an article in CORE (Connecting Repositories)	^https?:\/\/core\.ac\.uk\/display\/([1-9]\d*)
COSPAR ID	international satellite designation, administered by the UN Committee on Space Research (COSPAR), similar but not synonymous with the NSSDCA ID (P8913)	^https?:\/\/nssdc\.gsfc\.nasa\.gov\/nmc\/spacecraft\/display\.action\?id=((19[5-9]|20[0-2])\d-[012]\d\d[A-Z]{1,2})
CPCWiki ID	identifier in the CPCWiki	^https?:\/\/www\.cpcwiki\.eu\/index\.php\/([^?#]+)
CPUID	x86/x86-64 processor type information returned by the CPUID instruction into the EAX register
CPV profile ID	ID sportspeople on NPC of Czech Republic website
CRAB ID	CRAB street code for streets in Flanders, Belgium
CSO topic ID	Computer Science Ontology topics: automatically generated taxonomy of research topics in the field of Computer Science
CSS color keyword	keyword that refers to the element, according to the CSS standard
CUP2002.RU person ID	identifier for a participants of 2002 FIFA World Cup at CUP2002.RU site
CUT code	identifier for regions, provinces, and municipalities in Chile as defined by Ministerio de Bienes Nacionales
CVR person ID	unique identifier for persons (owners/directors) in Denmark's Central Business Register (CVR), the official database of Danish businesses	^https?:\/\/datacvr\.virk\.dk\/data\/visenhed\?enhedstype=person&id=(4\d{9})
CVX vaccine code	code for a vaccine administered by the CDC's National Center for Immunization and Respiratory Diseases
CWE ID	identifier of a software weakness type identified in the Common Weakness Enumeration (CWE) list	^https?:\/\/cwe\.mitre\.org\/data\/definitions\/([1-9]\d{1,4})\.html
Cambridge Encyclopedia of Anthropology ID	identifier for an article in the Cambridge Encyclopedia of Anthropology
Cameo ID	identifier for people on Cameo	^https?\:\/\/www\.cameo\.com\/(\w+)
Camera Decision ID	identifier for a camera, on the Camera Decision website	^https?:\/\/cameradecision\.com\/review\/([0-9A-Za-z]+(\-[0-9A-Za-z]+)*)
Cameroun COG	COG identifier of an administrative territorial entity of Cameroon
Can I use feature ID	identifier for a browser feature, technology or web standard on Can I use...	^https?:\/\/caniuse\.com\/((?!issue-list)(?!usage-table)(?!ciu\/(?:news|index|settings|about))[a-z0-9]+((-|_)[a-z0-9]+)*)
CanLII ID	identifier for decisions of Canadian court cases	^https?:\/\/canlii\.ca\/t\/([a-z0-9]{5})
Canadian Broadcasting Corporation Gem ID	Identifier for a Canadian Broadcasting Corporation GEM (a media URL for a television series, television episodes, documentaries, or other media)
Canadian Encyclopedia article ID	identifier for articles in the Canadian Encyclopedia	^https?:\/\/www\.thecanadianencyclopedia\.ca\/(?:en|fr)\/article\/([\w\d]+(?:-[\w\d]+)*)\/
Canadiana Name Authority ID	system control number used in the Canadiana Name Authority File, format: "ncf" followed by 8 digits	^https?:\/\/viaf\.org\/processed\/CAOONL\|(ncf\d{8})
Canal-U channel ID	ID of a channel on Canal-U, the online video library of French Higher Education	^https?:\/\/(?:www\.)?canal-u\.tv\/producteurs\/([\w\-_]*)
Carnegie Hall event ID	identifier for an event in the Carnegie Hall Linked Open Data (LOD) database	^https?:\/\/data\.carnegiehall\.org\/events\/([1-9]\d*)
Carnegie Hall work ID	identifier for a work in the Carnegie Hall Linked Open Data (LOD) database	^https?:\/\/data\.carnegiehall\.org\/works\/([1-9]\d*)
Caselaw Access Project case ID	identifier for single case in Caselaw Access Project
Catalan Biographical Dictionary of Women ID	identifier in the biographical dictionary of Catalan women	^https?:\/\/dbd\.vives\.org\/fitxa_biografies\.php\?id=([1-9]\d{0,3})
Catalan Vikidia ID	ID of the article in Catalan Vikidia	^https?:\/\/ca\.vikidia\.org\/wiki\/(\S{1,400})
Catalogo Nazionale Dati ID	identifier for an item in a controlled vocabulary of the Italian Catalogo Nazionale Dati (schema.gov.it)	^https?:\/\/w3id\.org\/italia\/controlled-vocabulary\/(.+) ^https?:\/\/schema\.gov\.it\/lodview\/controlled-vocabulary\/(.+)
Cbonds company profile	identifier for a company in the Cbonds database, a financial market data vendor in the United Arab Emirates, covering global bonds, equities and ETFs
Cell Line Ontology ID	identifier for the Cell Line Ontology which describes anatomic origin and nature of eukaryotic cell lines	^https?:\/\/purl\.obolibrary\.org\/obo\/(CLO_\d{7})
Central Index Key	number given to an individual or company by the United States Securities and Exchange Commission	^https?:\/\/(?:www\.)?sec\.gov\/cgi-bin\/browse-edgar\?action=getcompany&CIK=(\d+) ^https?:\/\/(?:www\.)?sec\.gov\/edgar\/browse\/\?CIK=(\d{10})
Central records of collections ID	collection's ID in the database of Ministry of Culture of the Czech Republic
Cerist.dz CCDZ ID	Cerist CCDZ identifier of a thesis or a PhD holder or a jury member or an institution, on the Algerian thesis database and recorded in the Centre de Recherche sur l'Information Scientifique et Technique
Championat ID	identifier of a team, sports facility, or player on the Championat website
Change.org decision maker ID	identifier for a decision maker on the change.org website	^https?:\/\/(?:www\.)?change\.org\/decision-makers\/([A-Za-z-]+)
ChemRxiv ID	identifier of a document in ChemRxiv, a preprint server for the chemical sciences launched in 2016	^https?:\/\/chemrxiv\.org\/articles\/preprint\/.+\/(\d+)
Chessgames.com player ID	identifier on the website Chessgames.com	^https?:\/\/www\.chessgames\.com\/perl\/chessplayer\?pid=(\d{5,6})
Chgk person ID	identifier for a person playing the Russian TV game What? Where? When?	^https?:\/\/chgk\.tvigra\.ru\/znatoki\/\?([^\sA-Z\d\W\_]+)
China Engineering Expert Tank ID	ID of a person in Chinese Engineering Expert Tank, a database of Chinese researchers in science and engineering fields
China Martyrs ID	ID for someone killed or sacrificed themself in China	^https?:\/\/(?:www\.)?chinamartyrs\.gov\.cn\/search\/MatyrInfo\.html\?guid=([0-9a-fA-F]{32})
China Ministry of Industry and Information Technology ID	Wikidata property for authority control, Wikidata property for an identifier, and Wikidata property for identifiers in registers of goods and services in People's Republic of China	^https:\/\/cmiitid\.cn\/(\d{4}[ACDFGHLSWZ][PJ]\d*) ^https:\/\/fccid\.io\/blog\/\d+\/\d+\/\d+\/fcc\-id\-.+cmiit\-id\-(\d{4}[acdfghlswzACDFGHLSWZ][pjPJ]\d*)
China Treaty Database ID	identifier for a treaty in the China Treaty Database
China movable cultural relic ID	unique identifier for a movable cultural relic (cultural property) of China
Chinese Professional Baseball League player ID	ID of a player in Chinese Professional Baseball League website of Taiwan	^https?:\/\/(?:www\.)?cpbl\.com\.tw\/team\/person\?acnt=(\d{10}|[A-Z][A-Z0-9]{3})
Chrome Platform Status feature ID	identifier for a feature on Chrome Platform Status
Chromosome numbers of the Flora of Germany database ID	numerical identifier in the "Chromosome numbers of the Flora of Germany" database	^https?:\/\/chromosomes\.senckenberg\.de\/karyodb\/view\/index\.php\?table_name=view&function=details&where_field=IDChromosomeCounts&where_value=([1-9]\d*)
Church Heritage Cymru ID	identifier for a church building in the Church Heritage Cymru database (not the church code but a separate identifier)
Church of Sweden ID	identifier in the database of dioceses, pastorates and church buildings of Sweden
Cinemaazi film ID	identifier for a film in cinemaazi.com, a encyclopedic resource about Indian cinema by the Indian Cinema Heritage Foundation
Cinemaazi people ID	identifier for a person in cinemaazi.com, a encyclopedic resource about Indian cinema by the Indian Cinema Heritage Foundation
Cinestaan film ID	external identifier for Indian movies	^https?:\/\/(?:www\.)?cinestaan\.com\/movies\/-([1-9]\d*)
Cinémathèque québécoise work ID	Cinémathèque québécoise identifier for a work	^https?:\/\/collections\.cinematheque\.qc\.ca\/recherche\/oeuvres\/fiche\/([1-9]\d*)
Cinépolis KLIC ID	identifier of a movie in Cinépolis KLIC website	^https?:\/\/(?:www\.)?cinepolisklic\.com\/pelicula\/([a-z\d-]+)
CircleID writer ID	identifier for writers at CircleID	^https?:\/\/(?:www\.)?circleid\.com\/members\/(\d+)\/
Cité de la Musique-Philharmonie de Paris work ID	identifier for a musical work in the Cité de la Musique-Philharmonie de Paris database	^https?:\/\/digital\.philharmoniedeparis\.fr\/doc\/CIMU\/(\d+)
Cleveland Museum of Art ID	identifier for works in the Cleveland Museum of Art	^https://www.clevelandart.org/art/([1-9]\d+\.[1-9]\d+)$
ClinVar Variation ID	identifier in the ClinVar database for human genomic variation
Cochrane concept ID	identifier for a concept in the Cochrane linked-data vocabulary, relating to health and medicine	^https?:\/\/data\.cochrane\.org\/concepts\/(\w+)
CocoaPods pod	entry for an project in CocoaPods
Code of Natura 2000/FFH habitat	codes used in the Habitats Directive as identifier for habitats
Coin Hoards of the Roman Empire ID	identifier for a coin hoard
CoinMarketCap cryptocurrency ID	identifier for a cryptocurrency on CoinMarketCap	^https?:\/\/coinmarketcap\.com\/currencies\/([^\s\/]+)\/
Colonial Frontier Massacres ID	identifier for a massacre in the database of Colonial Frontier Massacres in Central and Eastern Australia 1788-1930	^https?:\/\/c21ch\.newcastle\.edu\.au\/colonialmassacres\/detail\.php\?r=([1-9]\d*)
Colorado Encyclopedia ID	identifier for an entry on the Colorado Encyclopedia website
Common Procurement Vocabulary	massively multilingual and public domain taxonomy legislated by the EU for goods and services	^https?:\/\/cpv\.data\.ac\.uk\/code\-(\d{8})\.html
Common Vulnerabilities and Exposures ID	identifier of an information security vulnerability	^https?:\/\/web\.nvd\.nist\.gov\/view\/vuln\/detail\?vulnId=(CVE-\d{4}-\d{4,7}) ^https?:\/\/cve\.mitre\.org\/cgi-bin\/cvename\.cgi\?name=(CVE-\d{4}-\d{4,7}) ^https?:\/\/cve\.org/CVERecord\?id=(CVE-\d{4}-\d{4,7}) ^https?:\/\/nvd\.nist\.gov\/vuln\/detail\/(CVE-\d{4}-\d{4,7})
Commons Institution page	name of the institutions's page on Wikimedia Commons (without the prefix "Institution")
Commons category	name of the Wikimedia Commons category containing files related to this item (without the prefix "Category:")	^https:\/\/commons\.wikimedia\.org\/wiki\/Category:([^{}\[\]<>?]+) ^https:\/\/commons(?:\.m)?\.wikimedia\.org\/(?:[wiki|w])\/(?:index\.php\?title=)?Category%3A([^{}\[\]<>&]+)
Compendium heroicum ID	identifier for an article in the Compendium heroicum	^https?:\/\/(?:www\.)?compendium-heroicum\.de\/lemma\/([a-z](-[a-z])*)
Complete BBC Micro Games Archive ID	identifier in the Complete BBC Games Archive (bbcmicro.co.uk)	^https?:\/\/bbcmicro\.co\.uk\/game\.php\?id=([1-9]\d*)
Complex Portal accession ID	accession number of protein complex at the Complex Portal	^https?:\/\/(?:www\.)?ebi\.ac\.uk\/complexportal\/complex\/(CPX-[0-9]+)
Conseil constitutionnel ID	identifier of a member of the 'Conseil constitutionnel' on its website
Copernicus EMS ID	Copernicus Programme Emergency Management Service rapid mapping activation code
Corpus typographique français ID	identifier for a typeface on the Corpus typographique français website
Cour des comptes report ID	identifier for a report about an organization on the 'Cour des comptes's website
Critique d'art ID	identifier for an entry on the Critique d'art website	^https?:\/\/journals\.openedition\.org\/critiquedart\/([1-9]\d*)
CueTracker tournament ID	ID about a specific snooker tournament at the CueTracker.net database
Culinary Heritage of Switzerland ID	identifier for a food product in the Culinary Heritage of Switzerland online encyclopedia
Culture.ru person ID	identifier of a person at Ministry of Culture of Russia website culture.ru	^https?:\/\/(?:www\.)?culture\.ru\/persons\/([1-9]\d*) ^https?:\/\/(?:www\.)?culture\.ru\/persons\/([1-9]\d*)\/(?:[a-z]+(?:\-[a-z]+){1})
Cultureel Woordenboek ID	identifier for a concept in the Dutch Cultureel Woordenboek ('Cultural Dictionary')
Curlie ID	category path at Open Directory Project	^https?:\/\/curlie\.org\/((?:Arts|Games|Kids_and_Teens|Reference|Shopping|Business|Health|News|Regional|Society|Computers|Home|Recreation|Science|Sports|World)\/\S+)\/?
CurseForge project ID	identifier for a project on the CurseForge website	^https?:\/\/(?:www\.|minecraft\.)?curseforge.com\/projects\/([1-9][0-9]+)
Czech Geomorphological Unit Code	identifier assigned to geomorphological units (regions) in Czechia
Czech cadastral area ID	identifier for a cadastral area in the Czech Republic, conferred by 'Český úřad zeměměřický a katastrální'	^https?:\/\/linked\.cuzk\.cz\/resource\/ruian\/katastralni-uzemi\/(\d+)
Czech city district ID	identifier for a city district in the Czech Republic, conferred by 'Český úřad zeměměřický a katastrální'	^https?:\/\/linked\.cuzk\.cz\/resource\/ruian\/momc\/(\d+)
Czech cohesion region ID	identifier for a cohesion region, conferred by 'Český úřad zeměměřický a katastrální'	^https?:\/\/vdp\.cuzk\.cz\/vdp\/ruian\/regiony\/(\d+)
Czech district ID	identifier for a district, conferred by 'Český úřad zeměměřický a katastrální'	^https?:\/\/vdp\.cuzk\.cz\/vdp\/ruian\/okresy\/(\d+)
Czech municipality ID	identifier for a municipality in the Czech Republic conferred by the Czech Office of Surveying and Cadastre	^https?:\/\/vdp\.cuzk\.cz\/vdp\/ruian\/obce\/(5\d{5})
Czech region ID	identifier for a region, conferred by 'Český úřad zeměměřický a katastrální'	^https?:\/\/vdp\.cuzk\.cz\/vdp\/ruian\/vusc\/(\d+)
Czech structural object ID	identifier of building in the RÚIAN database in the Czech Republic
Czech territorial region ID	identifier for a territorial region, conferred by 'Český úřad zeměměřický a katastrální'	^https?:\/\/vdp\.cuzk\.cz\/vdp\/ruian\/kraje1960\/(\d+)
DANE code	identification code for Colombian municipalities according to the Departamento Administrativo Nacional de Estadística (DANE)
DANFS ship ID	identifier for a ship on the Dictionary of American Naval Fighting Ships website
DATAtourisme ID	identifier (RDF URI) for the subject issued by DATAtourisme database
DBLP event ID	identifier for scientific events in the DBLP computer science bibliography
DBpia article ID	identifier for an article in the DBpia database provided by Nurimedia	^https?:\/\/(?:www\.)?dbpia\.co\.kr\/journal\/articleDetail\?nodeId=(NODE\d{8})
DC Comics talent ID	identifier for writers and artists on DCComics.com
DCMOTO ID	identifier in the DCMOTO database of Thomson MO/TO software	^https?:\/\/dcmoto\.free\.fr\/programmes\/(\w[-\w]*)
DDB ID	identifier for items in Deutsche Digitale Bibliothek	^https?:\/\/(?:www\.)?deutsche-digitale-bibliothek\.de\/item\/([0-9A-Z]{32})
DFG Science Classification	German Research Foundation (DFG) classification of scientific disciplines, research areas, review boards, and subject areas
DGHS facility code	identifier for a facility indexed by Bangladesh's Directorate General of Health Services	^https?:\/\/facilityregistry\.dghs\.gov\.bd\/org_profile\.php\?org_code=(\d{8})
DIBAVOD ID	ID of water objects (rivers, ponds, lakes, ...) of the Czech republic referenced in DIgitální BÁze VOdohospodářských Dat (DIBAVOD) of VÚV TGM
DINOloket ID	identifier from database of geologic units in the Netherlands (Data Informatie Nederlandse Ondergrond)	^https:\/\/www\.dinoloket\.nl\/stratigrafische-nomenclator\/via-code\/([A-Z]{2}[A-Z0-9]*)
DIR3 ID	official identifier of a public Spanish organization
DNV Vessel register ID	identifier for a ship, in the DNV Vessel register	^https?:\/\/vesselregister\.dnv\.com\/VesselRegister\/vesseldetails\.html\?vesselid=(G?\d*) ^https?:\/\/vesselregister\.dnv\.com\/vesselregister\/details\/(G?\d*)
DOGC ID	external and unique identifier which represents a publication in Diari Oficial de la Generalitat de Catalunya	^https?:\/\/dogc\.gencat\.cat\/ca\/document-del-dogc\/\?documentId=([1-9]\d{0,5})
DOI	serial code used to uniquely identify digital objects like academic papers (use upper case letters only)	^https?:\/\/(?:dx\.|www\.)?doi\.org\/(10\.[0-9]{4,}(?:\.[0-9]+)*(?:\/|%2F)(?:(?![\"&\'])\S)+) ^https?:\/\/advances\.sciencemag\.org\/lookup\/external-ref\?access_num=(10\.\d{4,9}.+)&link_type=DOI ^https?:\/\/royalsocietypublishing\.org\/doi\/(10\.[0-9]{4,}(?:\.[0-9]+)*(?:\/|%2F)(?:(?![\"&\'])\S)+) ^https?:\/\/journals\.plos\.org\/plosone\/article\?id=(10\.[0-9]{4,}(?:\.[0-9]+)*(?:\/|%2F)(?:(?![\"&\'])\S)+) ^https?:\/\/digital\.casalini\.it\/(10\.[0-9]{4,}(?:\.[0-9]+)*(?:\/|%2F)(?:(?![\"&\'])\S)+)$ ^https?:\/\/search\.crossref\.org\/search\/works\?q=([0-9.]+)%2F([^\&]+) ^https?:\/\/(?:www\.)?oxfordreference\.com\/display\/(10\.[0-9]{4,}(?:\.[0-9]+)*(?:\/|%2F)(?:(?![\"&\'])\S)+) ^https:\/\/www\.taylorfrancis\.com\/books\/oa-edit\/(10\.4324\/.+)\/ ^https?:\/\/doi\.org\/(10\.[0-9]{4,}(?:\.[0-9]+)*(?:\/|%2F)(?:(?![\"&\'])\S)+) ^https:\/\/www\.earthdoc\.org\/content\/papers\/(10\.[0-9]{4,}(?:\.[0-9]+)*(?:\/|%2F)(?:(?![\"&\'])\S)+) ^https:\/\/www\.oxfordscholarlyeditions\.com\/display\/(10\.[0-9]{4,}(?:\.[0-9]+)*(?:\/|%2F)(?:(?![\"&\'])\S)+) ^https:\/\/onlinelibrary\.wiley\.com\/doi\/(10\.[0-9]{4,}(?:\.[0-9]+)*(?:\/|%2F)(?:(?![\"&\'])\S)+) ^https:\/\/www\.degruyter\.com\/document\/doi\/(10\.[0-9]{4,}(?:\.[0-9]+)*(?:\/|%2F)(?:(?![\"&\'])\S)+) ^https:\/\/chooser\.crossref\.org\/\?doi=(10\.\d+)%2F([^#\/?]+) ^https:\/\/www\.science\.org\/doi\/(10\.[0-9]{4,}(?:\.[0-9]+)*(?:\/|%2F)(?:(?![\"&\'])\S)+)$ ^https:\/\/www\.frontiersin\.org\/articles\/(10\.[0-9]{4,}(?:\.[0-9]+)*(?:\/|%2F)(?:(?![\"&\'])\S)+)$ ^https:\/\/ijbnpa\.biomedcentral\.com\/articles\/(10\.[0-9]{4,}(?:\.[0-9]+)*(?:\/|%2F)(?:(?![\"&\'])\S)+)$ ^https:\/\/journals\.sagepub\.com\/doi\/full\/(10\.[0-9]{4,}(?:\.[0-9]+)*(?:\/|%2F)(?:(?![\"&\'])\S)+)$ ^https:\/\/journals\.aps\.org\/prx\/.+\/(10\.[0-9]{4,}(?:\.[0-9]+)*(?:\/|%2F)(?:(?![\"&\'])\S)+)$ ^https:\/\/link\.springer\.com\/article\/(10\.[0-9]{4,}(?:\.[0-9]+)*(?:\/|%2F)(?:(?![\"&\'])\S)+)$
DOI prefix	identifier specific to a DOI registrant	^https?:\/\/(?:dx\.)?doi\.org\/(10(\.[1-9]\d*)+)$ ^https?:\/\/(?:dx\.)?chinadoi\.cn\/(10(\.[1-9]\d*)+)$ ^https:\/\/cite-o-meter\.toolforge\.org\/\?doip=(10\.\d+)
DPLA ID	identifier for books, paintings, films, museum objects and archival records that have been digitised throughout United States	^https?:\/\/dp\.la\/item\/([0-9a-f]{32})
DSSTOX compound identifier	identifier of a compound in America's Environmental Protection Agency chemical database "DSSTOX"	^https?:\/\/comptox\.epa\.gov\/dashboard\/dsstoxdb\/results\?search=(DTXCID\d+)
DVR Number	identifier for data processing Austrian organisations
DWB lemma ID	identifier for this lexeme in the German dictionary by Jacob and Wilhelm Grimm at woerterbuchnetz.de	No/unknown value
DWB2 lemma ID	identifier for this lexeme in the revised edition of the German dictionary by Jacob and Wilhelm Grimm at woerterbuchnetz.de	^https:\/\/woerterbuchnetz\.de\/\?sigle=DWB2&lemid=([A-Z][0-9]{5})
DanNet 2.2 word ID	identifier for part of the URI for a word in the DanNet resource	^https?:\/\/(?:www\.)?wordnet\.dk\/owl\/instance\/2009\/03\/instances\/word-(((\d{8})(-\d+)?)|(temporary_\d+))
Dana 8th edition	mineral classification Dana 8th edition
Danish educational institution number	number for Danish educational institutions
Danmarks Tekniske Kulturarv book ID	Identifier for a book in the Danish Technical Cultural Heritage collection
Dansk litteraturs historie ID	identifier of an article in the online encyclopedia dansklitteraturshistorie.lex.dk
Dapodikdasmen ID	identifier for a school in Indonesia
DataTrek ID	identifier of a DataTrek entity	^https?:\/\/data\.wikitrek\.org\/wiki\/Item\:(Q\d+)
Databank Beschermheiligen anno 1959 ID	numeric identifier in the database of patron saints in the Netherlands and Flanders
Daum Cafe ID	identifier for a Daum Cafe forum account	^https?:\/\/cafe\.daum\.net\/([A-Za-z0-9.]+)
Daum Encyclopedia ID	identifier for content in the Daum Encyclopedia	^https?:\/\/100\.daum\.net\/encyclopedia\/view\/([a-zA-Z0-9]+)
DeCS ID	identifier in the Health Sciences Descriptors thesaurus	^https?:\/\/decs\.bvsalud\.org\/(?:(?:en|es|fr)\/)?ths\/resource\/\?id=([1-9]\d*)
Defined Term ID	identifier for a definition in definedterm.com dictionary	^https?:\/\/definedterm\.com\/a\/definition\/([0-9]+)
Democracy Club election ID	identifier in the Democracy Club database of elections	^https?:\/\/elections\.democracyclub\.org\.uk\/elections\/(([a-z0-9-]+\.)+\d{4}-[01]\d-[0-3]\d)
Den Danske Ordbog article ID	article in the danish dictionary Den Danske Ordbog
Den Danske Ordbog idiom ID	idiom in the danish dictionary Den Danske Ordbog
Den Store Danske ID	identifier of an article in the online encyclopedia denstoredanske.lex.dk	^https:\/\/denstoredanske\.lex\.dk\/(.+)
Deportation Database transport ID	online guide that includes most of the deportation transports that originated from cities in central, western and southern European countries between 1939 and 1945	^https?:\/\/deportation\.yadvashem\.org\/index\.html\?language=en&itemId=([0-9]{6,10})
Depósito Legal ID	identifier for a publication in Spain
Derrieux agency person ID	identifier for a person on Derrieux agency website	^http:\/\/www\.agencederrieux\.fr\/artiste\.cfm\/([1-9]\d{3,5})\.html
Described and Captioned Media Program producer ID	identifier code from Described and Captioned Media Program, a program fully funded by the United States Department of Education which provides resources for students with disabilities
Det Norske Akademis Ordbok ID	identifier for a lexeme in Det Norske Akademis Ordbok
Dhliz ID	person, film, TV series ID in the Arabic movie/TV show database Dhliz	^https:\/\/dhliz\.com\/artist\/([^\/?#]+)
DiACL lexeme ID	identifier for a lexeme in the Diachronic Atlas of Comparative Linguistics	^https?:\/\/diacl\.ht\.lu\.se\/Lexeme\/Details\/([1-9][0-9]+)
Dialnet author ID	identifier of an author in Dialnet	^https?:\/\/dialnet\.unirioja\.es\/servlet\/autor\?codigo=([1-9]\d*)
Diccionari de la Literatura Catalana ID	identifier for an item in the Diccionari de la Literatura Catalana	^https?:\/\/(?:www\.)?enciclopedia\.cat\/ec-dlc-([1-9]\d{0,5})\.xml
Diccionari de la traducció catalana ID	identifier for an article in the Diccionari de la traducció catalana	^https?:\/\/(?:www\.)?visat\.cat\/diccionari\/cat\/traductor\/([1-9]\d{0,3}\/[a-z.]+(-[a-z.]+)*)\.html
Diccionari del cinema a Catalunya ID	identifier for an item in the Diccionari del cinema a Catalunya	^https?:\/\/(?:www\.)?enciclopedia\.cat\/ec-cinema-([1-9]\d{0,3})\.xml
Diccionario de la lengua española entry ID	identifier for an entry in the Spanish Language Dictionary of the Spanish Royal Academy
Diccionario de la lengua española word (non-ID)	word in the Spanish Language Dictionary of the Spanish Royal Academy	^https?:\/\/dle\.rae\.es\/([A-ZÁÉÍÑÓÚÜa-záéíñóúü ,-‒]*)
Dico en ligne Le Robert ID	identifier in the online dictionary Le Robert
DicoPolHiS ID	identifier for an entry in the Dictionnaire Politique d'Histoire de la Santé	^https?:\/\/dicopolhis\.univ-lemans\.fr\/fr\/dictionnaire\/([a-z]\/[a-z-]{1,100})\.html
Dictionary of Algorithms and Data Structures ID	identifier for an entry in the Dictionary of Algorithms and Data Structures	^https?:\/\/xlinux\.nist\.gov\/dads\/HTML\/([a-zA-Z]+)\.html
Dictionary of Archives Terminology ID	identifier for an entry in the Society of American Archivists' Dictionary of Archives Terminology
Dictionary of Qur'anic Usage ID	identifier of an article from the Dictionary of Qur'anic Usage
Dictionary of Scottish Architects building ID	identifier for a building in the Dictionary of Scottish Architects database and website	^https?:\/\/(?:www\.)?scottisharchitects\.org\.uk\/building_full\.php\?id=([1-9]\d{5})
Dictionary of Variant Chinese Characters ID	ID for a sinogram in the Dictionary of Variant Chinese Characters from Taiwan (used in item only, not lexeme)
Dictionary of Wisconsin History ID	article identifier for the Dictionary of Wisconsin History
DigDag ID	identifier of a place, in the Digital Atlas of Denmark's historical-administrative geography	^https?:\/\/digdag\.dk\/service\/digdag\.php\?Hvad=Enhed&di=(\d+)
Digital Athenaeus Catalog author ID	identifier for an ancient author in the Digital Athenaeus Catalog
Digital Atlas of the Virginia Flora ID	identifier for a plant species, subspecies, or variety in the Digital Atlas of the Virginia Flora
Digital Corpus of Sanskrit ID	property for Sanskrit lemma in IAST transliteration maintained by Digital Corpus of Sanskrit	^https?:\/\/(?:www\.)?sanskrit-linguistics\.org\/dcs\/index\.php\?contents=lemma&IDWord=(\d*)
Digital Daijisen ID	identifier for an entry in Digital Daijisen on goo dictionary	^https:\/\/dictionary\.goo\.ne\.jp\/word\/(?:kanji\/)?[^\/]+\/#jn-([1-9]\d*)$ ^https:\/\/dictionary\.goo\.ne\.jp\/word\/person\/[^\/]+\/#jn-([1-9]\d*)$
Digital Dictionary of Surnames in Germany ID	ID of corresponding entry in the DFD online dictionary of family names	^https?:\/\/(?:www\.)?namenforschung\.net\/id\/name\/([1-9][0-9]{0,5}|10[0-9]{5}) ^https?:\/\/(?:www\.)?namenforschung\.net\/dfd\/woerterbuch\/liste\/\?tx_dfd_names%5bname%5d=([1-9][0-9]{0,5}|10[0-9]{5})
Digital Giza ID	identifier of a Pyramid or other funeral site on Egypt’s Giza Plateau in the American Database Digital Giza
Digital Hanja Dictionary ID	ID for a Korean Han character in Digital Hanja Dictionary
Digital Library of Mathematical Functions ID	identifier for a function in the NIST Digital Library of Mathematical Functions
Digital Typhoon cyclone ID	identifier for general information of a cyclone in South-West Pacific in Digital Typhoon	^https?:\/\/agora\.ex\.nii\.ac\.jp\/digital-typhoon\/summary\/wsp\/s\/([1-9]\d{5})\.html
Digital Typhoon typhoon ID	identifier for general information of a typhoon in Digital Typhoon	^https?:\/\/agora\.ex\.nii\.ac\.jp\/digital-typhoon\/summary\/wnp\/s\/([1-9]\d{5})\.html
DigitalNZ ID	identifier on the Digitalnz.org website for videos, newspapers, maps, photographs, audio, artworks, and news reports that have been digitised in New Zealand	^https?:\/\/digitalnz\.org\/records\/([1-9]\d*)
DigitaltMuseum ID	Identifier at DigitaltMuseum	^https?:\/\/digitaltmuseum\.org\/(\d{10,13})\/(?:.*?)
Dimensions Publication ID	unique identifier for a work in the Dimensions database	^https?:\/\/app\.dimensions\.ai\/details\/publication\/pub\.(\d{10})
Dimensions.guide ID	identifier on Dimensions.guide database
Directory of Maîtres d'art	Maître d'art (Master of Art) is a title awarded for life by the French Ministry of Culture	^https?:\/\/(?:www\.)?maitredart\.fr\/((maitre\-art|eleve)\/\S{1,128})
Discord Store game SKU	identifier for a game available on the Discord Store
Discord invite ID	identifier for the subject's official Discord server; use as qualifier for P9345 "Discord server numeric ID"	^https?:\/\/(?:www\.)?(?:discord(?:app)?\.com\/invite|discord\.gg)\/([a-zA-Z0-9][a-zA-Z0-9-]*[a-zA-Z0-9])
Discord server numeric ID	numeric identifier for a Discord server; use as main value with qualifier P9078 "Discord invite ID"	^https?:\/\/discord\.com\/channels\/([1-9][0-9]{16,19}) ^https:\/\/discord\.com\/servers\/[^\/]+-([1-9][0-9]{16,19})
Discover Moscow ID	identifier of an article in the Discover Moscow database	^https?:\/\/um\.mos\.ru\/((house|places|personalities|museums|monuments)\/[a-z]+([\_]?[a-z\d]+)*)
Diskograf artist ID	identifier for an artist in the Diskograf database
Diskograf label ID	identifier for a Malaysian record label in the Diskograf database
Diskograf song ID	identifier of a song given by Diskograf online database
Disney A to Z ID	ID of article in online version of Disney A to Z	^https?:\/\/d23\.com\/a-to-z\/([^\s\/]+)
Disney+ Hotstar ID	identifier for content on Disney+ Hotstar	^https?:\/\/(?:www\.)?hotstar\.com\/([0-9]+)
Disney+ movie ID	identifier for a film on Disney+	^https?:\/\/www\.disneyplus\.com\/(?:\w{2}(?:\-\w{2})?\/)?movies\/.+?\/([0-9A-Za-z]{12})
Disney+ series ID	identifier for television/web series on Disney+	^https?:\/\/www\.disneyplus\.com\/(?:\w{2}(?:\-\w{2})?\/)?series\/.+?\/([0-9A-Za-z]{12})
DistroWatch ID	identifier for an operating system at DistroWatch.com	^https?:\/\/(?:www\.)?distrowatch\.com\/table(-mobile)?\.php\?distribution=([A-Za-z0-9]+) ^https?:\/\/(?:www\.)?distrowatch\.com\/([A-Za-z0-9]+)$
Dizionario dei prodotti DOP e IGP ID	identifier for an item in Dizionario dei prodotti DOP e IGP on the website of the Institute of the Italian Encyclopaedia	^https?:\/\/(?:www\.)?treccani\.it\/enciclopedia\/([a-z]+(-[a-z]+)*(?:_res\-[0-9a-f]{8}(?:\-[0-9a-f]{4}){3}\-[0-9a-f]{12})?)_\(Dizionario[_\-]dei[_\-]prodotti[_\-]DOP[_\-]e[_\-]IGP\)
DocCheck Flexikon De ID	identifier for an article in the German section of the DocCheck wiki
DocCheck Flexikon En ID	identifier for an article in the English section of DocCheck Flexikon wiki
Docker Hub repository	Docker repository hosted on Docker Hub	^https?:\/\/hub\.docker\.com\/r\/([a-z\d]{4,30}\/[a-z\d_-]{2,255})
Doctrine court decision ID	identifier for a French court decision on Doctrine
Documenta Catholica Omnia author ID	identifier for an author in Documenta Catholica Omnia digital library	^https?:\/\/(?:www\.)?documentacatholicaomnia\.eu\/(\d{2}_\d{2}_(\d{4}-\d{4}|sine-data)-_[\w\.,'()]*)\.html
Dodis ID	identifier in the Dodis database (Diplomatic Documents of Switzerland 1945-1969), see Q661051	^https?:\/\/dodis\.ch\/([PG]\d+)
Dongqiudi.com team ID	association football team ID on the Dongqiudi.com
Douban Read eBook ID	identifier for a book at the website Douban Read, different from P6442	^https?:\/\/read\.douban\.com\/ebook\/([1-9]\d*)\/
Douban drama ID	identifier for a theatrical production at the website Douban	^https?:\/\/(?:www\.)?douban\.com\/location\/drama\/([1-9]\d*)\/
Douban music ID	identifier for an album at the website Douban	^https?:\/\/music\.douban\.com\/subject\/([1-9]\d*)\/
Douban site name	domain name of Douban site written in Latin alphabet	^https?:\/\/site\.douban\.com\/([A-Za-z0-9_]+)\/
Douban username	domain name of Douban users' personal pages	^https?:\/\/(?:www\.)?douban\.com\/people\/([A-Za-z0-9_]+)\/
Douyin ID	username on Douyin
Dowker-Thistlethwaite name	unambiguous systematic identifier scheme for mathematical knots
Downdetector ID	identifier for a webpage on the Downdetector website	^https?:\/\/downdetector\.com\/status\/([\pL\d][\pL\d-]{1,200})
Dr. Duke's Phytochemical and Ethnobotanical Databases chemical ID	identifier for chemicals linked to information on occurrence in plants	^https?:\/\/phytochem\.nal\.usda\.gov\/phytochem\/chemicals\/show\/([1-9]\d*)
Drevo Encyclopedia ID	identifier for an article in the Drevo Encyclopedia	^https?:\/\/drevo\-info\.ru\/articles\/([1-9]\d*)\.html
Drizly product ID	identifier of the product in the Drizly database	https:\/\/drizly\.com\/.*\/p(\d+)
Duden sense ID	A URL slug of a sense in duden.de	^https?:\/\/www\.duden\.de\/(?:rechtschreibung|synonyme|deklination\/(?:substan|adjek)tive|konjugation)\/([_0-9A-Za-z]+#Bedeutung\-\d\w?)
Dumbarton Oaks object ID	identifier for objects at the Dumbarton Oaks Museum
DxOMark ID	Dxomark article identifier for smartphones and cameras
E number	number for food additives that are legal in the European Union
EC enzyme number	classification scheme for enzymes	^https?:\/\/enzyme\.expasy\.org\/EC\/(\d\.\d{1,2}\.\d{1,2}\.\d{1,3})
ECI Lok Sabha constituency code	the identifier maintained by Election Commission of India for Lok Sabha constituencies
ECO code	alphanumerical identifier for an opening in the Encyclopaedia of Chess Openings
EEPS ID	identifier of an entry in the Encyclopedia of Evolutionary Psychological Science
EFIS film ID	identifier for film or television series in the Estonian Film Database	^https?:\/\/(?:www\.)?efis\.ee\/et\/filmiliigid\/film\/id\/([1-9]\d{0,4})
EFIS filmfirm ID	identifier for a filmfirm on Estonian Film Database	^https?:\/\/(?:www\.)?efis\.ee\/en\/filmmakers\/filmfirm\/id\/(\d{1,5}) ^https?:\/\/(?:www\.)?efis\.ee\/et\/filmitegijad\/asutus\/id\/(\d{1,5})
EGROKN ID	identifier for a monument in the Unified state register of objects of cultural heritage (monuments of history and culture) of the peoples of the Russian Federation
EH.Net Encyclopedia of Economic and Business History ID	identifier for an article in the EH.Net Encyclopedia of Economic and Business History
EIA plant ID	identifier of a power plant in the United States used by the Energy Information Administration
EIB project ID	identifier of a project either funded by or planned to be funded by the European Investment Bank	^https?:\/\/(?:www\.)?eib\.org\/en\/projects\/pipelines\/all\/([1-9]\d{7})
ELAR ID	identifier for a resource pertaining to a language in the namesake endangered language digital repository	^https?:\/\/elar\.soas\.ac\.uk\/Collection\/(MPI\d{6,7})
ELF code	code for entity legal form (ELF), assigned by the Global Legal Entity Identifier Foundation (GLEIF) per ISO 20275
ELMCIP ID	identifier of a creative work, critical writing, databases and archives, event, organization, person, platform/software, publisher, research collection, or teaching resource in the ELMCIP Knowledge Base
ELSST Thesaurus ID (Version 4 - 2023)	identifier for a term in the ELSST (European Language Social Science) Thesaurus (Version 4 - 2023)	^https?:\/\/(?:elsst|thesauri)\.cessda\.eu\/(?:id\/4|elsst-4\/en\/page)\/([\da-f]{8}\-(?:[\da-f]{4}\-){3}[\da-f]{12})
EPSG CRS	identifier for coordinate reference systems per European Petroleum Survey Group Geodetic Parameter Dataset	^https?:\/\/epsg\.org\/crs_([1-9]\d{3,4})\/index\.html
ESCO Occupation ID	identifier for an occupation, in the European multilingual database ESCO v1	^https?:\/\/data\.europa\.eu\/esco\/occupation\/([0-9a-z]{8}-[0-9a-z]{4}-[0-9a-z]{4}-[0-9a-z]{4}-[0-9a-z]{12})
ESCO skill ID	identifier for a Skill, in the European multilingual database ESCO v1	^https?:\/\/data\.europa\.eu\/esco\/skill\/([0-z\-]+)
ETS Designated Institution code	an administrative 4-digit code that Educational Testing Service uses to uniquely identify institutions programs	^https?:\/\/(?:www\.)?toeflgoanywhere\.org\/search-who-accepts-toefl#keywords=(\d{4})&search_by=inst_name
EU Knowledge Graph item ID	identifier for the corresponding entity in the EU Knowledge Graph	^https:\/\/linkedopendata\.eu\/wiki\/Item:(Q\d+)
EU Participant Identification Code	ID of organization participating in EU programmes	^https?:\/\/ec\.europa\.eu\/info\/funding-tenders\/opportunities\/portal\/screen\/how-to-participate\/org-details\/(\d+)
EU RCN	Record Control Number for project/org/person under EU Framework Programmes
EU River Basin District code	unique code for an EU River Basin District	^https?:\/\/dd\.eionet\.europa\.eu\/vocabularyconcept\/wise\/SpatialUnit\/euRBDCode\.([A-Z]{2}[A-Z0-9_]+)
EU-Football.info stadium ID	identifier for a association football (soccer) stadium in the EU-Football.info database
Educational Institution Identification Number	identifier for an educational institution issued by the Bangladesh Bureau of Educational Information and Statistics
Electronic library Ukrainica ID	identifier at the Electronic library Ukrainica	^http:\/\/irbis-nbuv\.gov\.ua\/ulib\/item\/(\w+?\d+)
Electronic library encyclopedia.com.ua	identifier at the encyclopedia.com.ua
Elhuyar ZTH ID	Elhuyar Science and Technology Dictionary has a wide range of terms in four languages (en, es, fr, eu) that can easily be linked to and from Wikidata	^https?:\/\/zthiztegia\.elhuyar\.eus\/kontzeptua\/(\d{6})
Emerald network site ID	identifier for a protected area in Europe (excluding Natura 2000)
Emojipedia ID	identifier of a page on Emojipedia	^https?:\/\/emojipedia\.org\/([\w-]+)
Empik author ID	identifier for an author on Empik site
Enciclopedia delle scienze sociali ID	identifier for an item in the Enciclopedia delle Scienze Sociali on the website of the Institute of the Italian Encyclopaedia	^https?:\/\/(?:www\.)?treccani\.it\/enciclopedia\/([a-z]+(?:-[a-z]+)*)_\(Enciclopedia[_\-]delle[_\-]scienze[_\-]sociali\)
Enciclopèdia de l'Esport Català ID	identifier on Enciclopèdia de l'Esport Català, encyclopedia of Catalan sportspeople and sports clubs	^https?:\/\/(?:www\.)?enciclopedia\.cat\/EC-EEC-([1-9]\d{0,4})\.xml
Encyclopaedia Herder concept ID	identifier for a concept in the Encyclopaedia Herder	^https?:\/\/encyclopaedia\.herdereditorial\.com\/wiki\/([A-Za-z0-9À-ž\,][A-Za-z0-9À-ž\s\(\)\,\-\_\/]+)
Encyclopedia Astronautica ID	ID of a topic in Encyclopedia Astronautica
Encyclopedia Virginia ID	identifier of a topic in the online Encyclopedia Virginia
Encyclopedia of Alabama ID	identifier for a subject on the Encyclopedia of Alabama website	^https?:\/\/(?:www\.)?encyclopediaofalabama\.org\/article\/([a-z]-[1-9]\d*)
Encyclopedia of Appalachia ID	identifier for a subject on the Encyclopedia of Appalachia website	^https?:\/\/encyclopediaofappalachia\.com\/entry\.php\?rec=([1-9]\d*)
Encyclopedia of Chicago ID	identifier for an article in the Encyclopedia of Chicago	^https?:\/\/(?:www\.)?encyclopedia\.chicagohistory\.org\/pages\/([1-9]\d+)\.html
Encyclopedia of Cleveland History ID	identifier for an entry on the Encyclopedia of Cleveland History website
Encyclopedia of Ideas ID	Hebrew-language encyclopedia describing philosophical ideas in daily life
Encyclopedia of Italian ID	identifier for an entry in the Enciclopedia dell'italiano (Encyclopedia of Italian) on the website of the Institute of the Italian Encyclopaedia	^https?:\/\/(?:www\.)?treccani\.it\/enciclopedia\/([a-z]+(?:-[0-9a-z]+)*)_\(Enciclopedia[_\-]Italiana\)
Encyclopedia of Krasnoyarsk Krai ID	identifier of an article in the online encyclopedia of Krasnoyarsk Krai	^https?:\/\/my\.krskstate\.ru\/docs\/\-\/([a-z\d]+(\-[a-z\d]+)*)\/
Encyclopedia of Mathematics article ID	identifier for an article on the Encyclopedia of Mathematics wiki (encyclopediaofmath.org)	^https?:\/\/encyclopediaofmath\.org\/wiki\/([^ ]+)
Encyclopedia of Mediterranean Humanism ID	identifier for an article in the Encyclopedia of Mediterranean Humanism	^https?:\/\/(?:www\.)?encyclopedie-humanisme\.com\/\?([A-ZÀ-ža-z0-9\-\#\%]+)
Encyclopedia of Migration ID	identifier for an English-language article in the Encyclopedia of Migration	^https?:\/\/(?:www\.)?encyclopediaofmigration\.org\/en\/([a-z]+((-|_)[a-z0-9]+)*)
Encyclopedia of Russian avant-garde ID	identifier of an article in the online encyclopedia Russian avant-garde	^https?:\/\/rusavangard\.ru\/online\/((?:biographies|history)\/[a-z\d]+(?:\-[a-z\d]+){1,2})\/
Encyclopedia of Saami Culture ID	identifier for an article in the Encyclopedia of Saami Culture
Encyclopedia of Science Fiction ID	identifier for an entry on the Encyclopedia of Science Fiction website	^https?:\/\/(?:www\.)?sf-encyclopedia\.com\/entry\/([a-z0-9_-]+)
Encyclopedia of Transbaikalia ID	identifier of an article in the online encyclopedia of Transbaikalia	^https?:\/\/ez\.chita\.ru\/encycl\/concepts\/\?id\=([1-9]\d*)
Encyclopedia of Triangle Centers ID	identifier for triangle centers used in the Encyclopedia of Triangle Centers, founded by Clark Kimberling
Encyclopedia of the Great Plains ID	identifier for an entry on the Encyclopedia of the Great Plains website
Encyclopedia of the Middle Ages ID	identifier for a subject page in the Encyclopedia of the Middle Ages
Encyclopedia of České Budějovice ID	identifier for article related to the city of České Budějovice
Encyclopedia on Early Childhood Development ID (English)	identifier for an article in English in the Encyclopedia on Early Childhood Development
Encyclopædia Universalis ID	identifier for an article in the online version of Encyclopædia Universalis	^https?:\/\/www\.universalis\.fr\/encyclopedie\/([^\/+?.()_;"]{1,100})\/
Encyclopædia Universalis author ID	identifier of an author on the online version of Encyclopædia Universalis	^https?:\/\/(?:www\.)?universalis\.fr\/auteurs\/([a-z]+(-[a-z]+)*)
Encyclopédie sur le développement des jeunes enfants ID	identifier for an article in French in the Encyclopedia on Early Childhood Development
Encyklopedia Medyków Powstania Warszawskiego ID	ID of a person in l'Encyklopedia Medyków Powstania Warszawskiego	^https:\/\/lekarzepowstania\.pl\/osoba\/([^#\/?]+)
Encyklopedie migrace ID	identifier for a Czech-language article in the Encyklopedie migrace	^https?:\/\/(?:www\.)?encyclopediaofmigration\.org\/([a-z]+((-|_)[a-z0-9]+)*)
Eneström Number	unique identifier for a work of Euler
Engineer's Line Reference	code for a railway line in Britain owned by Network Rail
English & Scottish Football League transfers player ID	identifier for a player's profile on the "Post War English & Scottish Football League A–Z Player's Transfer Database" website by Neil Brown
English Vikidia ID	ID of the article in English Vikidia	^https?:\/\/en\.vikidia\.org\/wiki\/(\S{1,400})
Ensembl transcript ID	transcript ID issued by Ensembl database	^https?:\/\/identifiers\.org\/ensembl\/(ENS([GT]|MUST|RNOT|DART)\d{11}|Y[A-Z]{2}\d{3}[A-Z](-[A-Z])?|FBtr\d{7}|Q\d{4}|((([0-9]?[A-Z]{1,4}\d{1,3})[A-Z0-9]?)|(cTel\d{2}X)|([0-9]RSSE)|(Y[0-9]{1,3}[A-Z]\d{1,2}((LA|UA)|[A-C][A-Z]?)))*(\.\d{1,4}[a-z]?)+)
Epitafier.se ID	identifier for an inscribed tablet about a dead person in a Swedish church from the website epitafier.se
Epson Tour player ID	page of a golfer on the Epson Tour website
Ester ID	identifier for an item in the E-Katalog ester.ee	^https?:\/\/(?:www\.)?ester\.ee\/record=(b[0-9]{7})
Ethereum token address	unique address for a token on the Ethereum blockchain	^https?:\/\/(?:www\.)?etherscan\.io\/token\/(0x[a-fA-F0-9]{40}) ^https?:\/\/app\.uniswap\.org\/explore\/tokens\/ethereum\/(0x[a-f0-9]{40})
Ethnologue.com language code	identifier for a language in ethnologue.com	^https?:\/\/(?:www\.)?ethnologue\.com\/language\/([a-z]{3})
EudraCT trial ID	identifier for a trial in the EU Clinical Trials Register, the clinical trial registry of the European Medicines Agency
Euro NCAP ID	numerical identifier for an automobile model on the Euro NCAP website	^https?:\/\/(?:www\.)?euroncap\.com\/en\/results\/[^#?/]+\/[^#?/]+\/([1-9]\d*)
Euro04.Ru person ID	identifier for a participants of UEFA Euro 2004 at Euro04.Ru site
Eurogamer ID	identifier of a video game in the Eurogamer database	^https?:\/\/(?:www\.)?eurogamer\.net\/games\/((?!\-)[a-z\d]+(?:\-[a-z\d]+){0,9})
Eurohockey.com club ID	identifier for an ice hockey team in the database of Eurohockey.com	^https?:\/\/(?:www\.)?eurohockey\.com\/club\/([1-9]\d*)-\.html
Europe PlayStation Store ID	identifier for a game available on the PlayStation Store (EU region)	^https?:\/\/store\.playstation\.com/[-a-z]+\/product\/(EP\d{4}-[A-Z]{4}\d{5}_00-[\dA-Z]{16})
Europeana Fashion creator ID	identifier for a creator on Europeana Fashion
Europeana entity	identifier for persons, places and topics at Europeana	^https?:\/\/data\.europeana\.eu\/((place|agent|concept|organisation)/base/[1-9]\d+) ^https?:\/\/www\.europeana\.eu\/(?:\w\w)\/(collections\/(?:place|agent|concept|organisation|person)\/\d+)
Eventa Servo ID	unique ID for the event on the website Eventa Servo	^https?:\/\/eventaservo\.org\/eventoj\/([\w-]{16})
Everand item ID	external identifier for a book, audio book, document, magazine issue or article in the Scribd library	^https?:\/\/www\.scribd\.com\/(?:doc|book|document|snapshot|issue|article|audiobook)\/([1-9]\d*)
Evidence & Conclusion Ontology ID	identifier in the Evidence & Conclusion Ontology for capturing evidence in biological research	^https:\/\/evidenceontology\.org\/browse\/#(ECO_[0-9]{7}) ^https?:\/\/purl\.obolibrary\.org\/obo\/(ECO_[0-9]{7})
Ex-USSR internal airport code	airport code similar to IATA codes but only for Russian and CEI airports
ExoticA ID	identifier in the ExoticA wiki	^https?:\/\/(?:www\.)?exotica\.org\.uk\/wiki\/(\S{1,200})
FAIMER school ID	ID assigned to a medical school registered in the World Directory of Medical Schools	^https?:\/\/search\.wdoms\.org\/home\/SchoolDetail\/(F\d{7})
FAMA work ID	identifier for written work in medieval Latin	^https?:\/\/fama\.irht\.cnrs\.fr\/oeuvre\/(\d+)
FAOTERM ID	identifier for a multilingual term published by Food and Agriculture Organization of the United Nations (F.A.O)	^https?:\/\/(?:www\.)?fao\.org\/\faoterm\/en\/?defaultColld=(/d+)
FAPESP institution ID	identifier for institutions funded by the Brazilian research education and innovation foundation, FAPESP
FAPESP researcher ID	identifier for researchers funded by the Brazilian research education and innovation foundation, FAPESP	^https?:\/\/(?:www\.)?bv\.fapesp\.br\/(?:pt|en)\/pesquisador\/([1-9]\d*)
FBW ID	identifier for films with a certification mark on the website of the "Deutsche Film- und Medienbewertung (FBW)"
FBref squad ID	identifier for an association football team on FBref.com	https:\/\/fbref\.com\/(?:[^\/]+)\/squads\/([^\/]+)
FCC Grantee Code	unique identifier of a grantee assigned by the Federal Communications Commission of the United States	^https?:\/\/fccid\.io\/(([A-Z][0-9A-Z]{2}|[2-9][0-9A-Z]{4}))
FCC Product Code	identifier of a product assigned by the grantee in an application to the Federal Communications Commission of the United States
FEC Campaign Committee ID	ID for a campaign committee in the United States	^https?:\/\/(?:www\.)?fec\.gov\/data\/committee\/(C\d{8})
FEMA number	identifier for flavor ingredients
FGrHist ID	identifier for an ancient Greek historian in Die Fragmente der griechischen Historiker by Felix Jacoby
FID performing arts ID	Specialised Information Service Performing Arts
FIDAL team ID	identifier for an athletic team in Italy by the Italian athletics federation (FIDAL)	^https?:\/\/(?:www\.)?fidal\.it\/societa\/-\/([A-Z]{2}\d{3})
FIPS 5-2 numeric code (US states)	Two-digit identifier for US states and other associated areas per former Federal Information Processing Standard FIPS 5-2 standard
FISG athlete ID	identifier for an athlete at FISG official site	^https?:\/\/(?:www\.)?fisg\.it\/web\/player\/\?t=([0-9]\d+)
FISH Archaeological Objects Thesaurus ID	identifier for a type or class of archaeological object, in the FISH Archaeological Objects Thesaurus
FRED time-series ID	identifier for an economic data set provided by St. Louis Fed's Federal Reserve Economic Data (FRED)
FSA Food Hygiene Rating System ID	Wikidata property for authority control and Wikidata property for an identifier	^https?:\/\/ratings\.food\.gov\.uk\/business\/(\d+)
FactGrid item ID	identifier for an item in FactGrid	^https?:\/\/database\.factgrid\.de\/wiki\/Item:(Q\d+)
FactGrid property ID	identifier for the corresponding property in FactGrid	^https:\/\/database\.factgrid\.de\/wiki\/Property:(P[0-9]+)
Faculté des sciences de Nancy ID	identifier for an employee of the 'Faculté des sciences de Nancy' (1854-1950)
FamousFix topic ID	identifier for a subject in the topic on FamousFix	^https?:\/\/(?:www\.)?famousfix\.com\/topic\/([a-z]+(-[a-z0-9]+)*)
Fancyclopedia 3 ID	identifier for a page on Fancyclopedia 3	^https?:\/\/fancyclopedia\.org\/(\S{1,128})
Fandom wiki ID	identifier of a topic's wiki, in Fandom.com	^https?:\/\/(?!community|www)([\w-]+)\.(?:fandom|wikia)\.com(?=$|\/)(?!\/[a-z]+(?:-[a-z]+)?\/wiki) ^https?:\/\/(?!community|www)([\w-]+)\.(?:fandom|wikia)\.com\/([a-z]+(?:-[a-z]+)?)\/wiki ^https?:\/\/(?:www\.wikia|community\.fandom)\.com\/(?:wiki\/|index\.php\?title=)w:c:((?:[a-z]+(?:-[a-z]+)?\.)?[\w-]+)
FantLab author ID	identifier for the author in FantLab	^https?:\/\/fantlab\.(?:ru|org)\/autor(\d+)
FantLab translator ID	identifier for the translator in FantLab	^https?:\/\/fantlab\.(?:ru|org)\/translator(\d+)
FantLab work ID	identifier for the literary work in FantLab	^https:\/\/fantlab\.(?:ru|org)\/work(\d+)
Fatcat ID	identifier on fatcat.wiki, a repository of scholarly articles maintained by the Internet Archive	^https?:\/\/fatcat\.wiki\/((release|work|container|creator|file|fileset|webcapture|extra)_[a-z0-9]{26})
Federiciana ID	identifier for an entry in the Federiciana Encyclopedia on the website of the Institute of the Italian Encyclopaedia	^https?:\/\/(?:www\.)?treccani\.it\/enciclopedia\/([a-z]+(?:-[a-z]+)*)_\(Federiciana\)
Femiwiki ID	identifier for a article in the Femiwiki encyclopedia
Filmow ID	identifier at the Filmow database of films and TV shows	^https?:\/\/filmow\.com\/[\w\-]+-([at][1-9]\d*)
Find & Connect ID	identifier in the Find & Connect website by the Australian Government about orphanages, children's Homes, and other institutions	^https?:\/\/(?:www\.)?findandconnect\.gov\.au\/(([a-z]+\/)+\w+(\.htm)?)
Find NZ Artists ID	identifier for artists listed in Find New Zealand Artists online database	^https?:\/\/findnzartists\.org\.nz\/(?:en|mi)\/artist\/([1-9]\d*)\/(?:[a-z-]*)
FindeB lemma ID	identifier for this lexeme in the Findebuch zum mittelhochdeutschen Wortschatz at woerterbuchnetz.de	No/unknown value
Finna ID	media resource ID in Finna.fi	^https?:\/\/(?:www\.)?finna\.fi\/Record\/([A-Za-z0-9][\w\.:]+[A-Za-z0-9\-])
Finnish Service Catalogue organization ID	Wikidata property for authority control and Wikidata property for an identifier in Finland	^https?:\/\/www\.suomi\.fi\/organisaatio\/[0-9a-f]{8}-([0-9a-f]{4}-){3}[0-9a-f]{12}
Finnish generals and admirals in the Imperial Russian Army 1809–1917 ID	The web publication of the Finnish Literature Society presents almost 500 Finnish generals and admirals in the service of the Imperial Russian Army.	^https?:\/\/kansallisbiografia\.fi\/kenraalit\/henkilo\/(\d{1,3})
Finnish national bibliography corporate name ID	Finnish national bibliography corporate names database covers the recommended forms of corporate and creator names that the National Library of Finland has produced in the process of tagging the national bibliography.	^https?:\/\/finto\.fi\/cn\/en\/page\/([1-9]\d*A)
Flanders Arts Institute organisation ID	identifier of an organisation in the Flanders Arts Institute database for performing arts	^https?:\/\/data\.kunsten\.be\/organisations\/([1-9]\d*)
Flashscore.com team ID	identifier for a sports team in the FlashScore.com database
Flathub ID	ID of an application on Flathub, the Flatpak repository
Flora Croatica Database taxon ID	‎identifier for a taxon in the Flora Croatica Database	^https?:\/\/hirc\.botanic\.hr\/fcd\/DetaljiFrame\.aspx\?IdVrste=([1-9]\d*)
Florentine musea Inventario 1890 ID	national Florentine musea inventory from 1890 identifier	^https?:\/\/(?:www\.)?polomuseale\.firenze\.it\/inv1890\/scheda\.asp\?position=1&ninv=(\d+)
Florida Historical Marker List ID	identifier for Florida historical markers at Florida Division of Historical Resources website	^https?:\/\/apps\.flheritage\.com\/markers\/markerDetail\.cfm\?id=([1-9]\d*)&keyword=&city=&county=
Folkets lexikon ID	identifier for the dictionary Folkets lexikon
Fonts In Use identifier	identifier of a typeface on the typography archive website Fonts In Use
FooDB compound ID	ID of chemical compound in FooDB	^https?:\/\/foodb\.ca\/compounds\/(FDB\d{6})
Food.com ID	numerical identifier for an ingredient on the Food.com cooking website	^https?:\/\/www\.food\.com\/about\/[a-z-]*([1-9]\d*)
FoodEx2 code	identifier within the FoodEx2 (version 2 of the EFSA Food classification and description system for exposure assessment) food taxonomy	^https?:\/\/data\.food\.gov\.uk\/codes\/foodtype\/id\/(A[0,1][0-Z]{2}[A-Z])
FoodOn ID	identifier for FoodOn, an ontology focused on categorization and processing of food for humans	^(?:http:\/\/www\.ontobee\.org\/ontology\/FOODON\?iri=)?http:\/\/purl\.obolibrary\.org\/obo\/FOODON_(\d{8})
FootballDatabase.eu team ID	identifier for a association football (soccer) team in the FootballDatabase.eu database	^https?:\/\/(?:www\.)?footballdatabase\.eu\/en\/club\/team\/([1-9]\d{0,6})
FootballFacts.ru team ID	identifier for a association football (soccer) team in the FootballFacts.ru database
ForaDeJogo.net team ID	identifier for a association football (soccer) team in the ForaDeJogo.net database	^https?:\/\/(?:www\.)?foradejogo\.net\/team\.php\?team=([1-9]\d{0,6})
Formal Public Identifier	string that identifies uniquely an item using a Formal Public Identifier according to the ISO/IEC 9070:1991 standard
Fossiilid.info ID	identifier for fossils at fossiilid.info	^https?:\/\/fossiilid\.info\/([1-9]\d*)
FrameNet frame ID	identifier of a concept in FrameNet
French Favereau dictionary lexeme ID	identifier for a French lexeme in the translation dictionary compiled by Francis Favereau
French Vikidia ID	ID of the article in French Vikidia	^https?:\/\/fr\.vikidia\.org\/wiki\/(\S{1,400})
FrogMAP ID	identifier of a species in FrogMAP - The Atlas of African Frogs encyclopedia	^https?:\/\/frogmap\.adu\.org\.za\/Species_text\.php\?sp=(\d+)
Full Fact ID	identifier on the Full Fact website	^https:\/\/fullfact\.org\/can-i-trust\/([1-9]\d{3,4})
Fussballdaten.de team ID	identifier for a association football (soccer) team in the Fussballdaten.de database
Fuzhou Architecture Heritage ID	identifier for a building in Fuzhou Architecture Heritage	^https?:\/\/(?:www\.)?fzcuo\.com\/index\.php\?doc-view-([1-9]\d+)\.html
FürthWiki article ID	identifier for an article in FürthWiki
GARD rare disease ID	identifier for a rare disease in the United States National Institutes of Health's Genetic and Rare Diseases (GARD) Information Center database	^https?:\/\/rarediseases\.info\.nih\.gov\/diseases\/([1-9]\d*)\/index
GCD issue ID	identifier for a comic book issue in the Grand Comics Database (GCD)	https?:\/\/www\.comics\.org\/issue\/(\d+)
GCF Reference	unique identifier of a product which has been certified by the Global Certification Forum	^https?:\/\/(?:www\.)?globalcertificationforum\.org\/pub_product\/(\d+)\.html
GCatholic diocese ID	identifier for a diocese on GCatholic.org
GCatholic episcopal conference ID	identifier for an episcopal conference in the GCatholic database	^https?:\/\/gcatholic\.org\/dioceses\/conference\/((?:0\d{2}|[1-9]\d{2}))\.htm
GEMET ID	identifier for a term in the General Multilingual Environmental Thesaurus (GEMET)
GENUKI ID	identifier for a UK or Irish place on the GENUKI.org.uk website	^https?:\/\/(?:www\.)?genuki\.org\.uk\/big\/((wal|sct|eng|iom|irl|chi)?(\/?[A-Z]{3}){0,3}(\/\w{0,256}){0,4})
GEOFON earthquake ID	ID of an earthquake in GEOFON earthquake ID
GEPRIS project ID	identifier of a project in GEPRIS database of funded research projects, published by the German Research Foundation (DFG)	^https?:\/\/gepris\.dfg\.de\/gepris\/projekt\/([1-9]\d*)
GISAID ID	identifier for a virus clade used by the GISAID project
GNU ELPA package ID	identifier for a software package in the GNU ELPA archive
GONIAT author ID	identifier for a taxonomic author, in the GONIAT database	^https?:\/\/(?:www\.)?goniat\.org\/showAut\.html\?AutId=(aut[0-9]{29})
GONIAT paper ID	identifier for a taxonomic paper about Paleozoic ammonoids, in the GONIAT database	^https?:\/\/(?:www\.)?goniat\.org\/showLit\.html\?LitId=(lit[0-9]{29})
GOST 7.67 cyrillic	country codes in Cyrillic from the GOST standards committee
GOST 7.75–97 code	identifier for a language according to GOST 7.75–97
GRAU index	index of Russian (and Soviet) weapons and rockets
GS1 GPC code	code used to classify products in the GS1 Global Product Classification: Segment>Family>Class>Brick, or Attribute Type: Value
GSAFD ID	identifier for a genre/form term in GSAFD (Guidelines on Subject Access to Individual Works of Fiction, Drama, etc.)
GSMArena phone ID	identifier for a telephone model on GSMArena	^https?:\/\/(?:www\.)?gsmarena\.com\/\w+-([1-9]\d*)\.php
GSS code (2011)	nine-character UK Government Statistical Service code, introduced in 2009 to replace older ONS codes	^https?:\/\/statistics\.data\.gov\.uk\/atlas\/resource\?uri=https?:\/\/statistics\.data\.gov\.uk\/id\/statistical-geography\/(([EWSN]92|E[0-5][0-9]|E6[0-8]|W[0-3][0-9]|W4[0-7]|S[0-3][0-9]|S4[0-5]|N[0-2][0-9]|N3[0-4]|J0[1-6]|K0[1-7]|L93|L00|M83|M0[0-1])0[0-9]{5})
GWB lemma ID	identifier for this lexeme in the Goethe dictionary by Jacob and Wilhelm Grimm at woerterbuchnetz.de
Gale publication ID	identifier for a publication on the Gale website
Gambay ID	identifier for a language or place in the Gambay First Languages of Australia map	^https?:\/\/gambay\.com\.au\/(map|languages)\/(([A-Za-z]| |’|'|-|\+|ä|ŋ|ŭ|é){2,30})
GameReactor game ID	identifier for a video game on the GameReactor video game news website	^https?:\/\/(?:www\.)?gamereactor\.de\/Games\/([1-9]\d*)\/ ^https?:\/\/(?:www\.)?gamereactor\.dk\/spil\/([1-9]\d*) ^https?:\/\/(?:www\.)?gamereactor\.se\/spel\/([1-9]\d*) ^https?:\/\/(?:www\.)?gamereactor\.eu\/games\/([1-9]\d*)\/
Gamekult game ID	identifier of a video game in the Gamekult database	^https?:\/\/www\.gamekult\.com\/jeux\/[\w-]+-(\d+)\.html
Gaoloumi ID	identifier for a building in the Gaoloumi database	^https?:\/\/top\.gaoloumi\.com\/buildinginfo\.php\?id=(\d+)
Garaph group ID	identifier of a video game group in the garaph.info database	^https?:\/\/garaph\.info\/softwaregroup\.php\?grid=(S?[1-9]\d*)
Garzanti Linguistica ID	ID for lexemes
Gateway to Research Project ID	identifier for a research project receiving public funding in the UK	^https?:\/\/gtr\.ukri\.org\/projects\?ref=([A-Z0-9\/]+)
Gazeta.Ru Euro 2012 person ID	identifier for a participants of UEFA Euro 2012 at Gazeta.Ru Euro 2012 site
Gazetteer for Scotland place ID	identifier for a geographical item on the Gazetteer for Scotland website	^https?:\/\/(?:www\.)?scottish-places\.info\/((towns\/townfirst|councils\/councilfirst|counties\/countyfirst|parishes\/parfirst|features\/featurefirst)\d{1,6})\.html
GeneDB ID	gene identifier in GeneDB
Geneanet family name ID	ID for a family name on Geneanet	^https?:\/\/(?:www|en)?\.geneanet\.org\/(?:surnames|nom-de-famille)?\/([^\/?]+)
Genetics Home Reference Conditions ID	identifier for disease in the United States National Institutes of Health's Genetics Home Reference	^https:\/\/medlineplus\.gov\/genetics\/condition\/([a-z0-9\-]+)
Genie music video ID	identifier for a music video on the South Korean music streaming site Genie	^https?:\/\/www\.genie\.co\.kr\/detail\/mediaInfo\?xvnm=([1-9]\d*)
Genius album numeric ID	numeric ID for an album, single, other music release or other publication on Genius	^https?:\/\/genius\.com\/albums\/([1-9][0-9]*)
GeoNLP ID (obsolete)	Obsolete Japanese location identifier. Use GeoLOD ID (P12170) instead.	^https?:\/\/geolod\.ex\.nii\.ac\.jp\/page\/([0-9a-zA-Z]{6})
Geograph Deutschland image ID	identifier for an image from Geograph Deutschland
GeolISSTerm ID	identifier for a term in the GeolISSTerm terminology dictionary
Geolex ID	ID for every stratigraphic unit in the United States of America (USA) given by the United States Geological Survey	^https?:\/\/ngmdb\.usgs\.gov\/Geolex\/Units\/([A-Z][A-Za-z]*_\d{1,5})\.html
German Vikidia ID	ID of the article in German Vikidia	^https?:\/\/de\.vikidia\.org\/wiki\/(\S{1,400})
Getty Iconography Authority ID	identifier from the Getty Iconography Authority	^https?:\/\/www\.getty\.edu\/cona\/CONAIconographyRecord\.aspx\?iconid=(90100\d{4})
Gewässerkennzahl	a number to hydrographically order rivers and streams, use more specific properties where possible
Gfycat user ID (archived)	user name for an entity on Gfycat.com	^https?:\/\/gfycat\.com\/@([^\s\/]+)
GitHub topic	GitHub topic for a repository or subject	^https?:\/\/(?:www\.)?github\.com\/topics\/([a-z0-9-]+)
GitLab.com username	username of this project, person or organization on GitLab.com	^https?:\/\/(?:www\.)?gitlab\.com\/(?!explore|help|users)([_a-z0-9-\.]+)
Glitchwave genre ID	identifier of a video game genre in the Glitchwave database	^https?:\/\/glitchwave\.com\/games\/genre\/([0-9a-z]+(?:-[a-z]+)*)\/
Global Music Rights work ID	identifier for a musical work in Global Music Rights' repertory	^https:\/\/globalmusicrights\.com\/Search\?q=(\d+)&filter=3
Global Terrorism Database ID	identifier in the Global Terrorism Database by the National Consortium for the Study of Terrorism and Responses to Terrorism (START)	^https?:\/\/www\.start\.umd\.edu\/gtd\/search\/IncidentSummary\.aspx\?gtdid=((?:19|20)\d{2}(?:0|1)\d(?:0\d|1\d|2\d|3[01])\d{4})
Glossary of Astronomical Terms ID	identifier for an entry term in the National Astronomical Data Center of China's Glossary of Astronomical Terms
GlyphWiki ID	identifier of GlyphWiki, in which glyphs of Han characters are managed	^https?:\/\/en\.glyphwiki\.org\/wiki\/([a-z0-9-]+)$
Golden ID	ID page in Golden knowledge base	^https?:\/\/(?:www\.)?golden\.com\/wiki\/([^?#\/]+)
Google Fonts ID	identifier for a font or typeface on Google Fonts
Google Play Movies & TV ID (deprecated)	identifier of films and television series on Google Play
Google Product Taxonomy ID	ID for the product related to this concept on the Google Product Taxonomy
Gotlands museum entity ID	ID for persons or places connected to objects at Gotlands museums web	^https?:\/\/samlingarna\.gotlandsmuseum\.se\/index\.php\/Detail\/((entities|places)\/[1-9]\d{0,6})
Government of Canada Core Subject Thesaurus ID	identifier for an English term in the Government of Canada Core Subject Thesaurus	^https?:\/\/canada\.multites\.net\/cst\/default\.asp\?op=DISPTERM&searchString=([A-Z][a-z\-\+]+)&lang=ENG
Gran Enciclopèdia Catalana ID	identifier for an item in the Gran Enciclopèdia Catalana	^https?:\/\/(?:www\.)?enciclopedia\.cat\/gran-enciclopedia-catalana\/([a-z]+(?:\-[a-z0-9]+)*)
Gran Enciclopèdia Catalana ID (former scheme)	identifier for an item in the Gran Enciclopèdia Catalana. Replaced with "Gran Enciclopèdia Catalana ID (P12385)".	^https?:\/\/(?:www\.)?enciclopedia\.cat\/(?:EC-GEC|ec-gec)-(2?\d{7})\.xml
Gran Enciclopèdia de la Música ID	identifier for an item in the Gran Enciclopèdia de la Música	^https?:\/\/(?:www\.)?enciclopedia\.cat\/ec-gem-([1-9]\d{0,4})\.xml
Grand Duchy of Lithuania encyclopedia ID	identifier of an entry in the online encyclopedia "Grand Duchy of Lithuania"
Grand dictionnaire terminologique ID	term identifier of the Grand terminological dictionary database
Great Encyclopedia of Cyril and Methodius entry ID	ID for an entry on the Great Encyclopedia of Cyrill and Methodius
Great Encyclopedia of Navarre ID	identifier of an item in the Great Encyclopaedia of Navarre	^https?:\/\/(?:www\.)?enciclopedianavarra\.com\/\?page_id=([1-9]\d*)
Guia dos Quadrinhos comic ID	identifier for a non-Brazilian comic book or graphic novel that was published in Brazil
Guia dos Quadrinhos publishing house ID	identifier for a non-Brazilian comic book publishing house that has its comics published in Brazil
Guia dos Quadrinhos publishing house ID (Brazilian)	identifier for a Brazilian comic book publishing house
Guide to Pharmacology Target ID	target identifier of the Guide to Pharmacology database	^https?:\/\/(?:www\.)?guidetopharmacology\.org\/GRAC\/ObjectDisplayForward\?objectId=([1-9]\d{0,3})
Guix Variable Name	identifier for a package record in the GNU Guix system
Gun Violence Archive ID	identifier for shootings in the Gun Violence Archive database	^https:\/\/www\.gunviolencearchive\.org\/incident\/(\d+)
Guthrie code	Guthrie code of a Bantu language
Gynopedia ID	identifier for a place (city, region or country) on the Gynopedia wiki about sexual and reproductive health care	^https?:\/\/gynopedia\.org\/([^\s\/]+)
HASC	codes to represent country subdivisions
HCA Red List of Endangered Crafts ID	identifier for entries in the HCA Red List of Endangered Crafts	^https?:\/\/heritagecrafts\.org\.uk\/([a-z-]+)
HCIS ID	identifier for a chemical in the Hazardous Chemical Information System by Safe Work Australia	^https?:\/\/hcis\.safeworkaustralia\.gov\.au\/HazardousChemical\/Details\?chemicalID=([1-9]\d*)
HDS ID	identifier in HDS/HLS/DHS/DSS: Historical Dictionary of Switzerland (Q642074), a national encyclopedia	^https?:\/\/hls-dhs-dss\.ch\/de\/articles\/(\d{6})
HERO ID	identifier for a concept in the ontology of heraldry (HERO)
HOV-ID	identifier for a place in the Historical Gazetteer of Saxony	^https?:\/\/hov\.isgv\.de\/(\d+)
HPIP ID	identifier of an entity of Portuguese influence, including geographic/toponymic, onomastic, original author, chronological references, etc.	^https?:\/\/(?:www\.)?hpip\.org\/pt\/heritage\/details\/([1-9]\d{0,3})
HanCinema film ID	identifier for a films in the HanCinema database	^https?:\/\/www\.hancinema\.net\/korean_movie_([^\s\/]+)\.php
Handball123 player ID	alphabetical identifier for an handball player at Handball123.com	^https?:\/\/(?:www\.)?handball123\.com\/player\/(\w*(-\w*)+)\/
Handbook of Texas ID	identifier for a subject in the Handbook of Texas Online	^https?:\/\/tshaonline\.org\/handbook\/online\/articles\/([a-z]{3}\d{2})
Hansard (1803–2005) ID	identifier of a person in the Hansard 1803-2005 database, indexing speeches in the British parliament (both Commons and Lords)	^https?:\/\/api\.parliament\.uk\/historic-hansard\/people\/([a-z]+(\-[a-z]+)*(\-\d)?)
Hardware Version Identification Number	identifier of an electronic device model as registered in the Radio Equipment List of Innovation, Science and Economic Development Canada
Harvard designation	identifier for a pre-1963 spacecraft
Have I Been Pwned breach ID	identifier for a data breach in haveibeenpwned.com (note: link to the breach, not to the service that was breached)	^https?:\/\/haveibeenpwned\.com\/PwnedWebsites#([A-Za-z0-9]+)
Haz-Map ID	Identifier for the Haz-Map database, an openly accessible resource on hazardous agents and occupational disease licensed to and published by NCBI/NLM from 2000-2019. It is still accessible and updated, but no longer licensed by NCBI/NLM
HbVar ID	identifier of a hemoglobin variant or thalassemia-causing mutation on the HbVar database website	^https:\/\/globin\.bx\.psu\.edu\/cgi-bin\/hbvar\/query_vars3\?mode=output&display_format=page&i=([1-9]\d*)
Healthcare Common Procedure Coding System ID	health care procedure codes based on the American Medical Association's Current Procedural Terminology
Hederich encyclopedia article	entry in Hederich’s encyclopedia of mythology, 3rd edition (1770), via zeno.org
Heritage Gateway ID	identifier for records on the historic environment in England
Heritage Gazetteer of Cyprus	identifier for sites in the Heritage Gazetteer of Cyprus
Highland Historic Environment Record ID	ID for a heritage feature in the Highland Historic Environment Record website and database	^https?:\/\/her\.highland\.gov\.uk\/monument\/(MHG\d+)
Hindawi Foundation book ID	property for IDs of books published by Hindawi Foundation
Historical Archives of the European Union ID	identifier for a person or an institution that have created, preserved and used the groups of records that constitute the fonds at the Historical Archives of the European Union	^https?:\/\/archives\.eui\.eu\/en\/isaar\/([1-9]\d{0,2})
Historical Marker Database ID	database entries of historical markers	^https?:\/\/www\.hmdb\.org\/m\.asp\?m\=([1-9]\d*)$
Historical Topography of Cultural Heritage object ID	identifier for object in a database of cultural and historical heritage on the Czech-German border
HistoryLink essay number	number of an essay in HistoryLink.org, the free online encyclopedia of Washington State history	^https?:\/\/(?:www\.)?historylink\.org\/File\/(\d*)
Homebrew formula name	identifier of a package (formula) in the Homebrew package manager
HomoloGene ID	identifier in the HomoloGene database	^https?:\/\/(?:www\.)?ncbi\.nlm\.nih\.gov\/homologene\?term=([1-9]\d{0,5})
Hong Kong Cinema ID	identifier for film persons from the Hong Kong Cinema website
Hoopla series ID	identifier for a series in Hoopla	^https?:\/\/(?:www\.)?hoopladigital\.com\/series\/wd\/([1-9]\d{9})
Hoopla title ID	an audiobook, film, music album, comic, ebook, or television series on Hoopla	^https?:\/\/(?:www\.)?hoopladigital\.com\/title\/([1-9]\d*)
Hrvatska enciklopedija ID	identifier for an article in the Croatian Encyclopedia (Hrvatska enciklopedija)	^https?:\/\/(?:www\.)?enciklopedija\.hr\/Natuknica\.aspx\?ID=(\d+)
HuijiWiki wiki ID	identifier of a topic's wiki, in huijiwiki.com
Human Phenotype Ontology ID	The Human Phenotype Ontology (HPO) is a widely used vocabulary of phenotypic abnormalities encountered in human disease	^https?:\/\/hpo\.jax\.org\/app\/browse\/term\/(HP:[0-9]{7})
Humanitarian OpenStreetMap Tasking Manager project ID	identifier for a project in the Humanitarian OpenStreetMap Tasking Manager
Humble Store ID	identifier for an application sold on the Humble Store	^https?:\/\/(?:www\.)?humblebundle\.com\/store\/([^#\?\/]+)
Hyatt hotel ID	5-letter identifier for hotels under the Hyatt brand
Hymnary hymnal ID	identifier for hymnal in the Hymnary.org database
Hymnary instance ID	identifier for an individual edition of a published hymn in the Hymnary.org database
Hymnary text ID	identifier for hymn text in the Hymnary.org database
Hymnary tune ID	identifier for hymn tune in the Hymnary.org database
I-Revues ID	identifier for a scholarly article in the I-Revues bibliographic database	^https?:\/\/documents\.irevues\.inist\.fr\/handle\/2042\/(\d+)
IAB code	code for an Internet Advertising Bureau (IAB) Quality Assurance Guidelines (QAG) segment
IAFD film distributor ID	identifier for a pornographic film distributor in the Internet Adult Film Database
IANA Root Zone Database ID	identifier in IANA's Root Zone Database of delegation details for top-level Internet domains	^https?:\/\/www\.iana\.org\/domains\/root\/db\/([a-z0-9-]{2,})\.html
IANA service name	name of a network service defined in Q30335969
IANA timezone ID	identifier of a time zone in the IANA database
IATE ID	identifier for an entry on the website iate.europa.eu	https?:\/\/iate\.europa\.eu\/entry\/result\/(\d+)
IBM code page ID	identifier of a code page of characters assigned by IBM	^https?:\/\/www-01\.ibm\.com\/software\/globalization\/cp\/cp(\d{5})\.html
IBM coded character set ID	identifier of a coded character set assigned by IBM	^https?:\/\/www-01\.ibm\.com\/software\/globalization\/ccsid\/ccsid(\d+)\.html
IBM graphic character global ID	identifier of a character/grapheme in the IBM graphic character identification system
IBM graphic character set global ID	identifier of a character set assigned by IBM	^https?:\/\/www-01\.ibm\.com\/software\/globalization\/cs\/cs(\d{5})\.html
IBP 4-letter bird species alpha code	Standardized four-letter alphabetic code for bird species by the Institute for Bird Populations
IBTrACS cyclone ID	identifier for a tropical cyclone, issued by the World Data Center for Meteorology	^https?:\/\/(?:www\.)?atms\.unca\.edu\/ibtracs\/ibtracs_current\/index\.php\?name=v04r00-((1[89]|20)\d{2}(00[1-9]|0[1-9]\d|[1-2]\d{2}|3[0-5]\d|36[0-6])(N|S)([0-8]\d|90)([0-2]\d{2}|3[0-5]\d))
ICCD ID - CF form	identifier for the Central Institute for Catalogues and Documentation (form type CF)
ICCD ID - CG form	identifier for the Central Institute for Catalogues and Documentation (form type CG)
ICCD ID - S form	identifier for the Central Institute for Catalogues and Documentation (form type S)
ICCD ID - Santuari Cristiani	identifier for an Italian Christian sanctuary in the database curated by Central Institute for Catalogues and Documentation
ICD-10-CM	identifier in the ICD-10-CM (International Classification of Diseases, 10th Revision, Clinical Modification)	^https?:\/\/icdcodelookup\.com\/icd-10\/codes\/([A-Z]\d{2}(-[A-Z]\d{2}|[.][A-Z\d]+|))
ICD-11 (foundation)	identifier in ICD terminology of diseases - Version 11 (foundation ID) (not Mortality and Morbidity Statistics ID)	^https?:\/\/icd\.who\.int\/dev11\/f\/en#\/https?:\/\/id\.who\.int\/icd\/entity\/([1-9]\d*)
ICD-11 ID (MMS)	identifier in ICD terminology of diseases - Version 11 (Mortality and Morbidity Statistics) linearization (not the foundation ID)
ICD-9-CM	identifier in the ICD adaption assigning diagnostic and procedure codes	^https?:\/\/icd9cm\.chrisendres\.com\/index\.php\?action=search&srchtext=(([\dA-Z]\d{2}(\.\d{1,3}|))|(\d{2}(\.\d{1,2}|)))
ICPC 2 ID	classification method for primary care encounters	^https?:\/\/(?:www\.)?hetop\.eu\/hetop\/3CGP\/en\/\?rr=CIP_D_((A|B|D|F|H|K|L|N|P|R|S|T|U|W|X|Y|Z)\d{2})
ICSC ID	identifier of a compound in the International Chemical Safety Card database	^https?:\/\/(?:www\.)?ilo\.org\/dyn\/icsc\/showcard\.display\?p_card_id=([0-9]*)
IDFA film ID	identifier for a documentary film at the IDFA website	^https?:\/\/(?:www\.)?idfa\.nl\/en\/film\/([a-z0-9]{8}-[a-z0-9]{4}-[a-z0-9]{4}-[a-z0-9]{4}-[a-z0-9]{12})\/wd ^https?:\/\/(?:www\.)?idfa\.nl\/nl\/film\/([a-z0-9]{8}-[a-z0-9]{4}-[a-z0-9]{4}-[a-z0-9]{4}-[a-z0-9]{12})\/wd
IDG IT-ord ID	identifier for Swedish IT words in IDG IT-ord
IDU theatre ID	identifier for theatre names in Czechia in the Theatre Institute database	^https?:\/\/vis\.idu\.cz\/Productions\.aspx\?theatreIds=([1-9][0-9]{0,3})
IDVT	identifier of a watercourse in the CEVT database of the Czech Republic
IEDB Epitope ID	identifier for an Epitope in the Immune Epitope Database	^https?:\/\/(?:www\.)?iedb\.org\/epitope\/([1-9]\d*)
IEEE Xplore author ID	identifier for an author in IEEE Xplore	^https?:\/\/ieeexplore\.ieee\.org\/author\/([1-9]\d*)
IEV number	reference number in the International Electrotechnical Vocabulary	^https?:\/\/www\.electropedia\.org\/iev\/iev\.nsf\/display\?openform&ievref=(\d{3}-\d{2}-\d{2,3})
IFOPT stop ID	Wikidata property related to transport and Wikidata property for an identifier	No/unknown value
IFPI GTIN	identifying sound recordings and music video recordings via their barcodes
IFTTT service ID	identifier for a service on IFTTT	^https?:\/\/ifttt\.com\/([A-Za-z\d]+(?:\_[A-Za-z\d]+)*)
IFVPF ID	identifier for a Brazilian coffee farm in the Inventory of the Vale do Paraíba Fluminense Fazendas	^https?:\/\/(?:www\.)?institutocidadeviva\.org\.br\/inventarios\/\?p=(\d*)
IGDB game engine ID	identifier for a game engine on the Internet Game Database	^https?://(?:www\.)?igdb\.com/game_engines/([a-z\d]+([\-]{1,2}[a-z\d]+){0,6})
IGF entrant ID	identifier of an entrant in the Independent Games Festival	^https?:\/\/igf\.com\/([\w\d]+(-[\w\d]+)*)
IGI Global Dictionary ID	identifier for an entry on the IGI Global Dictionary of Information Science and Technology	^https://www.igi-global.com/dictionary/[^\s/]*/(\d+)
IGN game ID	external identifier for video games at IGN	^https?:\/\/(?:www\.)?ign\.com\/games\/([a-z\d]+(\-[^\W\sA-Z\_]+)*) ^https?:\/\/(?:www\.)?ign\.com\/wikis\/([a-z\d]+(\-[^\W\sA-Z\_]+)*)
IHO Hydrographic Dictionary (S-32) Number	Identification number for items in the Hydrographic Dictionary S-32, issued by International Hydrographic Organization (IHO)
IM channel URL	address of a multi-user chat, room or group	^https:\/\/matrix\.to\/#\/#([a-z-:.]+)
IMDb keyword	IMDb keyword related to movies and television programs	^https:\/\/www\.imdb\.com\/search\/keyword\/\?keywords=([^&]+)
IMO ship number	identifier for a ship, ship owner or ship manager per the International Maritime Organization	^https?:\/\/(?:www\.)?marinetraffic\.com\/ais\/details\/ships\/([1-9]\d{6}) ^https?:\/\/www\.marinetraffic\.com\/(?:\w+)\/ais\/details\/ships\/shipid\:(?:\d+)\/mmsi\:(?:\d+)\/imo\:(\d+)\/vessel\:(?:\w+) ^https?:\/\/www\.vesselfinder\.com\/vessels\/(?:[\w-]+)?(?:[IMO-|details\/])?(\d+) ^https?:\/\/www\.fleetmon\.com\/vessels\/(?:[\w-]+)_(\d+)_ ^https?:\/\/gisis\.imo\.org\/Public\/SHIPS\/ShipDetails\.aspx\?IMONumber=(\d+) ^https?:\/\/www\.cruisemapper\.com\/\?imo=(\d+) https:\/\/www\.vesseltracker\.com\/(?:\w\w)\/Ships\/(?:[a-zA-Z-]+)(\d+).html ^https?:\/\/(?:www\.)?marinetraffic\.com\/ais\/details\/ships\/imo:([1-9]\d{6}) ^https:\/\/webaccounts\.imo\.org\/Common\/weblogin\.aspx\?App=GISISPublic&ReturnUrl=https%3a%2f%2fgisis\.imo\.org%2fPublic%2fSHIPS%2fShipDetails\.aspx%3fIMONumber%3d(\d+) ^https:\/\/gisis\.imo\.org\/Public\/SHIPS\/ShipDetails\.aspx\?IMONumber=(\d+) ^https?:\/\/www\.shipspotting\.com\/photos\/gallery\?imo=([^#&?]+) https:\/\/www\.shipxplorer\.com\/data\/vessels\/.+IMO-(\d+)
INDUCKS issue ID	identifier for an issue of a printed publication of the Disney Universe	^https?:\/\/inducks\.org\/issue\.php\?c=([a-z]{2}\/[A-Z0-9\- ]+)
INDUCKS publication ID	identifier for printed publications of the Disney Universe	^https?:\/\/inducks\.org\/publication\.php\?c=([a-z]{2}\/[A-Z0-9]+)
INDUCKS story ID	identifier for a comic book story related to the Disney Universe	^https?:\/\/inducks\.org\/story\.php\?c=([A-Za-z0-9\-\/\? ]+)
INE ID (Portugal)	identifier for Portuguese municipalities, districts and parishes, by the Portuguese National Statistical Institute (INE)
INEGI municipality ID	identifier for a municipality in Mexico published by INEGI
INEP ID	identifier for each Brazilian educational institution
INSPIRE ID	universal identifier from Infrastructure for Spatial Information in the European Community (INSPIRE), used across EU databases
IPHAN ID	The IPHAN identifier for a historic place or good
IPI name number	identifier for names of a composer, author and other relevant parties	^https:\/\/www\.ascap\.com\/repertory#\/ace\/writer\/([0-9]+)
IPPDH ID	identifier for archives and funds in the Institute of Public Policies in Human Rights (IPPDH) of Mercosur
IPU chamber ID	external identifier of legislative houses on the Inter-Parliamentary Union's website
IPv6 routing prefix	range of IPv6 addresses
ISA ID	identifier for Brazilian indigenous populations from Instituto Socioambiental	^https?:\/\/pib\.socioambiental\.org\/pt\/Povo:([A-Za-z_áàâãéèêíïóôõöúçñÁÀÂÃÉÈÍÏÓÔÕÖÚÇÑ]+)
ISC event ID	entry in the International Seismological Centre Online Event Bibliography	^https?:\/\/isc-mirror\.iris\.washington\.edu\/cgi-bin\/FormatBibprint\.pl\?evid=([1-9]\d*)
ISDS ID	identifier of an electronic mailbox assigned by the Czech Republic government to businesses, individuals and government agencies of the Czech Republic
ISKO Encyclopedia of Knowledge Organization ID	identifier for an entry in the ISKO Encyclopedia of Knowledge Organization	^https?:\/\/www\.isko\.org\/cyclo\/([a-z0-9_-]+)
ISSN-L	linking ISSN (ISSN-L) is a specific ISSN that groups the different media of the same serial publication	^https?:\/\/(?:portal\.)?issn\.org\/resource\/ISSN-L\/([0-9]{4}\-[0-9]{3}[0-9X])
ITU-R Recommendation	identifier of an ITU-R Recommendation
ITU-T Recommendation	identifier of an ITU-T Recommendation
IUPAC Gold Book ID	identifier of definition in ''Compendium of Chemical Terminology'' (''IUPAC GoldBook'')	^https?:\/\/(?:dx\.|www\.)?doi\.org\/10\.1351\/goldbook\.([A-Z]{1,2}\d{5}) ^https:\/\/goldbook\.iupac\.org\/terms\/view\/([A-Z]{1,2}\d{5})
Iconoteca dell'Accademia di architettura ID	identifier for an entity (person, organization, place, object) in the photographic and graphic repository held by the Accademia di architettura di Mendrisio
Il Sole 24 Ore movie ID	identifier for a movie on cinema.ilsole24ore.com	^https?:\/\/cinema\.ilsole24ore\.com\/film\/([a-z0-9]+(?:-[a-z0-9]+)*(?:/(?:0|[1-9]\d*))?)
Il Sole 24 Ore topic ID	identifier for a topic on the website of Il Sole 24 Ore newspaper	^https?:\/\/argomenti\.ilsole24ore\.com\/([a-z]+(-[a-z]+)*(-[0-9]+)*)\.html
Il mondo dei doppiatori ID	identifier for a creative work or person at Il mondo dei doppiatori	^https?:\/\/(?:www\.)?antoniogenna\.net\/doppiaggio\/((film|film1|corti|voci|telefilm|mini|anim|soap|novelas|vgames|multimedia|docum|progtv|radio)/[0-9A-Za-z\-]+)\.htm
Image Archive, Herder Institute	link to the online database (Bildkatalog) of the image archive for the display of image sources	^https?:\/\/(?:www\.)?herder-institut\.de\/bildkatalog\/wikidata\/(Q[1-9]\d*)
India Biodiversity Portal species ID	identifier for species found in India maintained by the 'India Biodiversity Portal' database	^https?:\/\/indiabiodiversity\.org\/species\/show\/([0-9]+)
Indian Medicinal Plants Database ID	identifier for medicinal plants found in India maintained by the 'Indian Medicinal Plants Database'	^https?:\/\/(?:www\.)?medicinalplants\.in\/searchpage\/showdetails\/xplant_id\/([a-z0-9]*)
Indian Super League player ID	external Identifiers for players participating in Indian Super League	^https?:\/\/(?:www\.)?indiansuperleague\.com\/players\/((goalkeeper|defender|midfielder|forward)+\-[1-9]\d*(\-[a-z]+)*)-profile
Indian census area code (1991)	code used for an area for calculations in the 1991 census of India
Indian gallantry awardee ID	recipients of Indian gallantry awards	^https?:\/\/gallantryawards\.gov\.in\/awardee\/([\d]*)
Indiana State Historical Marker Program ID	identifier for an historical marker of the Indiana State Historical Marker Program	^https?:\/\/(?:www\.)?in\.gov\/history\/state-historical-markers\/find-a-marker\/([a-z0-9\-\/]+)\/
Indiana State Historical Marker Program numeric ID	Wikidata property for an identifier, Wikidata property for authority control for cultural heritage, and numeric identifier
Indiegogo project ID	identifier for a project on the Indiegogo crowdfunding platform
Indonesian Cultural Heritage Registration System ID	identifier of a Indonesian cultural heritage in Cultural Heritage National Registration System
Indonesian ethnicity code	code for ethnic groups in Indonesia, defined in Ensiklopedi Suku Bangsa di Indonesia
Inguma author ID	Inguma database researcher link
Instagram post ID	identifier for a post on Instagram	^https?:\/\/www\.instagram\.com\/p\/([^\/]+)
Instituto Moreira Salles ID	identifier for an artwork in the collections of the Instituto Moreira Salles	^https?:\/\/acervos\.ims\.com\.br\/portals\/#\/detailpage\/(\d+)
Intangible cultural heritage ID by the Austrian UNESCO commission	this property allows the language independent access to the individual descriptions in the inventory of intangible cultural heritage as listed by the Austrian UNESCO commission
Interactive Fiction Database ID	identifier for video games on database Interactive Fiction Database	^https?:\/\/ifdb\.tads\.org\/viewgame\?id=([0-9a-z]{15,16}) ^https?:\/\/ifdb\.org\/viewgame\?id=([0-9a-z]{15,16})
Interlingual Index ID	Wikidata property for an identifier	^https?:\/\/globalwordnet\.org\/ili\/(i[1-9]\d*)
International Encoded Han Character and Variants Database ID	identifier for a Chinese character on International Encoded Han Character and Variants Database
International Numbering System number	unique identifier of a food additive in the International Numbering System
International Standard Industrial Classification code Rev.4	code of industry by ISIC (International Standard Industrial Classification of All Economic Activities)
Internet Content Provider Registration Record ID	permit issued by the Chinese Ministry of Industry and Information Technology to permit China-based websites to operate in China
Internet Dictionary of Polish Surnames ID	identifier in the nazwiska.ijp.pan.pl dictionary of surnames used in Poland
Internet Encyclopedia of Philosophy ID	identifier for an article in the Internet Encyclopedia of Philosophy	^https?:\/\/(?:www\.)?iep\.utm\.edu\/([a-z]+(\-[a-z]+)*)\/
Internet Game Database numeric game ID	numeric identifier for a game on IGDB; use as qualifier for P5794 "Internet Game Database game ID"
Internet Off-Broadway Database production ID	identifier for a production in Lortel's Internet Off-Broadway Database	^https?:\/\/iobdb\.com\/Production\/([1-9]\d*)
Internet Pinball Database ID	identifier for pinball machines at the Internet Pinball Database	^https?:\/\/www\.ipdb\.org\/machine\.cgi\?id=(\d+)
Inventario Sculture - Polo Museale Fiorentino	identifier of an artwork in the inventory of sculptures of Florentine museums
Inventory of Archaic and Classical Poleis ID	identifier for an ancient city in the Inventory of Archaic and Classical Poleis
Inventário dos Monumentos RJ ID	Wikidata property for an identifier and numeric identifier in Brazil
Investopedia term ID	identifier for a term on the financial information website Investopedia	^https?:\/\/www\.investopedia\.com\/terms\/([a-z1]\/[a-z0-9\-\_]+)\.asp
Irkipedia ID	identifier for an article in Irkipedia
Isidore scholar ID	identifier of a scholar on Isidore, a platform that collects links to scholarly documents and official texts
Italian National Earthquake Center ID	identifier for an earthquake in the Italian National Earthquake Centre database	^https?:\/\/cnt\.rm\.ingv\.it\/event\/([1-9]\d*)
Italian School ID	This property describes the school identifier used by Italian Ministry of Education, Universities and Research for identifying italian schools	^https?:\/\/cercalatuascuola\.istruzione\.it\/cercalatuascuola\/ricerca\/risultati\?rapida=([A-Z]{2}[A-Z1][A-Z][A-Z\d]{5}[A-Z1-9])&tipoRicerca=RAPIDA&gidf=1
Italian Vikidia ID	name of the article in Italian Vikidia	^https?:\/\/it\.vikidia\.org\/wiki\/(\S{1,400})
Itaú Cultural ID	unique identifier for a entity in the Itaú Cultural Encyclopedia website	^https?:\/\/enciclopedia\.itaucultural\.org\.br\/((pessoa|grupo|obra|evento|instituicao|termo)\d+\/[a-z][\-a-z]*)
J-GLOBAL ID	identifier of a topic on J-GLOBAL	https:\/\/jglobal\.jst\.go\.jp\/(?:en\/)?detail\?JGLOBAL_ID=(\d*)
JIS standard	standard that was developed by the Japanese Industrial Standards	^https?:\/\/(?:www\.)?jisc\.go\.jp\/app\/jis\/general\/GnrJISNumberNameSearchList\?show&jisStdNo=([ABCDEFGHKLMPQRSTWXZ]\d{4,5}(-[1-9]\d*){,2})
JMA Seismic Intensity Database ID	identifier for an earthquake event in Japan Meteorological Agency Seismic Intensity Database	^https?:\/\/(?:www\.)?data\.jma\.go\.jp\/svd\/eqdb\/data\/shindo\/#([1-9]\d*)
JNAF artist ID	identifier for artists whose arts were collected by Indian private collector Jehangir Nicholson	^https?:\/\/jnaf\.org\/artist\/([\w\-]*)
JORFSearch organization ID	Wikidata property for an identifier in France
JRC Names id	ID in the JRC Names gazetteer, which provides spelling variants and EMM news about the entity (220k news items per day). Alias: JRCN	^https?:\/\/emm\.newsbrief\.eu\/NewsBrief\/entityedition\/en\/(\d+)\.html
JTWC tropical cyclone ID	identifier for a tropical cyclone, issued by the Joint Typhoon Warning Center
Japan Search name ID	identifier in the Japan Search portal
JedeSchule.de ID	identifier for a school on JedeSchule.de	^https?:\/\/jedeschule\.de\/schulprofil\/index\.html\?id=((BB|BE|BW|BY|HB|HE|HH|MV|NI|NRW|RP|SH|SL|SN|ST|TH)-\d+(-\d)?)
Jeugdliteratuur ID	identifier for an author on the website Jeugdliteratuur.org
Jewish Encyclopedia ID (Russian)	Article ID in the Electronic Jewish Encyclopedia in Russian	^https?:\/\/(?:eleven\.co\.il|jewishencyclopedia\.ru)\/article\/(\d{1,5}(#0\d{1,6})?)
Jiddisch-Nederlands Woordenboek ID	(on hold until questions of identifier stability are addressed) identifier for a lexeme in the online dictionary hosted by the Stichting Jiddische Lexicografie Amsterdam
Jinji Koshinroku ID (1st edition)	ID of a person in 1st edition of Jinji Koshinroku	https?:\/\/jahis\.law\.nagoya-u\.ac\.jp\/who\/docs\/who1-(\d{1,4})
Jinji Koshinroku ID (4th edition)	ID of a person in 4th edition of Jinji Koshinroku	https?:\/\/jahis\.law\.nagoya-u\.ac\.jp\/who\/docs\/who4-(\d{1,5})
Jinji Koshinroku ID (8th edition)	ID of a person in 8th edition of Jinji Koshinroku	https?:\/\/jahis\.law\.nagoya-u\.ac\.jp\/who\/docs\/who8-(\d{1,5})
Joconde discovery ID	identifier for a discovery environment in the Service des Musées de France Joconde authority file	^https?:\/\/data\.culture\.fr\/thesaurus\/page\/ark:\/67717\/(T115-[1-9]\d{1,6}|[0-9a-f]{8}(-[0-9a-f]{4}){3}-[0-9a-f]{12})
Joconde object type ID	identifier for object types from the Service des Musées de France Joconde authority file	^https?:\/\/data\.culture\.fr\/thesaurus\/page\/ark:\/67717\/(T505-[1-9]\d{1,5}|[0-9a-f]{8}(-[0-9a-f]{4}){3}-[0-9a-f]{12})
Joconde use ID	identifier for a use in the Joconde authority file of the Service des Musées de France
Joint Electronics Type Designation Automated System designation	unclassified designator for United States military electronic equipment
Joseph Smith Papers person ID	ID of a person in Joseph Smith Papers Project
Joshua Project people group ID	identifier for an ethnic group on the Joshua Project website
Juricaf decision ID	decision of a French-speaking supreme court on Juricaf
KBpedia ID	identifier for the KBpedia knowledge graph, which provides consistent mappings across seven large-scale public knowledge bases including Wikidata, and is used to promote data interoperability and extraction of training sets for machine learning	^https:\/\/kbpedia\.org\/knowledge-graph\/reference-concept\/\?uri=([A-Z\d][(A-Za-z \d\-_)]+)
KDG Komponisten der Gegenwart ID	identifier on the Munzinger Archiv	^https?:\/\/(?:www\.)?munzinger\.de\/search\/go\/document\.jsp\?id=(17\d{9})
KERIS school ID	identifier for a school in the information system by KERIS	^https?:\/\/(?:www\.)?schoolinfo\.go\.kr\/ei\/ss\/Pneiss_b01_s0\.do\?HG_CD=([A-Z][1-9]\d{8})
KIT Linked Open Numbers ID	identifier for a natural number in the KIT, general proxy for natural numbers. Format: \d+	^https?:\/\/km\.aifb\.kit\.edu\/projects\/numbers\/web\/n([1-9]\d*)
Kalliope.org author ID	identifier for person in the kalliope.org website
Kanjipedia kanji ID	identifier for a kanji on Kanjipedia	^https:\/\/www\.kanjipedia\.jp\/kanji\/(\d+)
Kanjipedia word ID	identifier of a word on Kanjipedia	^https?:\/\/(?:www\.)?kanjipedia\.jp\/kotoba\/(\d+)
Kanobu numeric game ID	numeric identifier for a video game on Kanobu; use as qualifier for the main property "Kanobu ID (P10171)"
Kansaspedia ID	identifier for an entry on the Kansaspedia website	^https?:\/\/(?:www\.)?kshs\.org\/kansapedia\/wd\/(\d+)
Kazakhstan.travel tourist spot ID	identifier for a tourist spot entry on the Kazakhstan.travel website
Kerala state school code	identifier for a school situated in Kerala	^https?:\/\/sametham\.kite\.kerala\.gov\.in\/(\d{5})
Khyber Pakhtunkhwa EMIS code	identifier for a school (usually government-affiliated) in the province of Khyber Pakhtunkhwa
Kialo ID	Link to the structured Kialo debate tree about or most relevant to the subject.
Kicker team ID	identifier for a sports team in the Kicker database	^https?:\/\/(?:www\.)?kicker\.de\/([a-z\d]+(?:\-[a-z\d]+)*)\/info\/?
Kickstarter project ID	identifier for a project on the Kickstarter crowdfunding platform	^https?:\/\/(?:www\.)kickstarter\.com\/projects\/([A-Za-z0-9-]+\/[A-Za-z0-9-]+)
Kielitoimiston sanakirja ID	identifier for an entry in Kielitoimiston sanakirja
Kinematoscope film ID	Database about Films adaptations of literary work (18th and 19th century)
Kinematoscope literary work ID	Database about Films adaptations of literary work (18th and 19th century)
Kinematoscope writer ID	Database about Films adaptations of literary work (18th and 19th century)
Kinsky–Halm Catalogue	number in the Kinsky–Halm Catalogue of the works of Ludwig van Beethoven, which do not have opus numbers, or are fragmentary
Kivid.info ID	identifier for minerals, rocks, mineral resources at kivid.info	^https?:\/\/kivid\.info\/([1-9]\d{0,5})
Klingon Word Wiki ID	identifier for a lemma in the Klingon Word Wiki	^https:\/\/klingon\.wiki\/Wor[dt]\/([A-Za-z-]+#[1-9]\d*)
Kloster- und Ordenslexikon ID	identifier for a topic in the German reference work Kloster- und Ordenslexikon
Knesset law ID	identifier for law in Knesset site	^https?:\/\/main\.knesset\.gov\.il\/Activity\/Legislation\/Laws\/Pages\/LawPrimary\.aspx\?t=lawlaws&st=lawlaws&lawitemid=([1-9][0-9]*)
Knot Atlas ID	link from mathematical knot/link articles to authoritative information source Knot Atlas
Knotinfo ID	identifier used to link to the KnotInfo website entry for a knot
Know Your Meme ID	identifier for a Know Your Meme article	^https?:\/\/knowyourmeme\.com\/memes\/([1-9][0-9]*) ^https?:\/\/knowyourmeme\.[a-z]{2,3}\/comments\?entry_id=(.+)&
Komoot ID	identifier for an itinerary or a point of interest on Komoot website	^https:\/\/www\.komoot\.de\/((?:highlight|smarttour)\/[1-9]\d*)
Kremlin.ru glossary ID	identifier on the website of the President of Russia
Kritisches Lexikon zur fremdsprachigen Gegenwartsliteratur ID	identifier in the critical dictionary of foreign contemporary literature	^https?:\/\/(?:www\.)?munzinger\.de\/search\/go\/document\.jsp\?id=(18\d{9})
Kultboy controller ID	identifier of a video game controller in the Kultboy database
Kultboy magazine ID	identifier of a video game magazine in the Kultboy database
Kunstenpunt Knowledge Graph ID	identifier in the Flanders Arts Institute database for performing arts	^https?:\/\/kg\.kunsten\.be\/wiki\/Item:(Q[1-9]\d*)
Köztérkép creator ID	identifier for an author of the Köztérkép (Hungarian sculptors, visual artists, contributors)
Kōmako author ID	identifier for Māori writers
L'Unificazione ID	identifier for an item in L'Unificazione on the Institute of the Italian Encyclopaedia website	^https?:\/\/(?:www\.)?treccani\.it\/enciclopedia\/([a-z]+(?:-[a-z]+)*)_\(L'Unificazione\)
L-number	semi-scientific classification system for catfish from the Loricariidae family
LEGO element ID	unique identifier of a LEGO brick design with a specific colour
LGBT Danmark online dictionary ID	identifier in LGBT Danmark's online dictionary
LIGA profile	background information on organizations, political parties, biographies of famous people
LOINC ID	identifier for medical observations, measurements, and documents in the Regenstrief Institute's Logical Observation Identifiers Names and Codes (LOINC), a database of internationalized medical terminology	^https?:\/\/loinc\.org\/(\d+-\d)
LPSN URL	URL for the website List of Prokaryotic names with Standing in Nomenclature (LPSN)
La grammatica italiana ID	identifier for an item in La grammatica italiana on the website of the Institute of the Italian Encyclopaedia	^https?:\/\/(?:www\.)?treccani\.it\/enciclopedia\/([a-z]+(?:-[a-z]+)*)_\(La[_\-]grammatica[_\-]italiana\)
LakeNet ID	number of a lake in Global Lake Database
Lambic.Info ID	Wikidata property related to food and eating, Wikidata property for an identifier, and numeric identifier
Lambiek Special pages ID	identifier for an entry about comics from Lambiek
Lambiek comic magazines ID	identifier for an entry about comic magazines from Lambiek	http(?:s):\/\/www\.lambiek\.net\/magazines\/(.+)\.htm$
Language Council of Norways termwiki ID	Identifier for a term in the Norwegian language, as given by an entry in the Language Council of Norways termwiki. This is a terminology database for academic disciplines. The terms are usually given as Bokmål, Nynorsk, and English variants.
Language of Bindings ID	identifier for a term in the Language of Bindings thesaurus
Larousse ID	identifier for a subject on the 'Encyclopédie Larousse'	^https?:\/\/(?:www\.)?larousse\.fr\/encyclopedie\/([-\w]*\/[-\w_ÉéÈèçâãï]+\/[1-9]\d*)
LastDodo-area-ID	identifier in LastDodo for a concept in collections of coins, stamps and postcards
Latvia water body classification code	code for lakes, ponds and reservoirs used in Latvia as set by law
Lega Serie A team ID	identifier of a soccer team in the Lega Serie A website	^https?:\/\/(?:www\.)?legaseriea\.it\/it\/serie-a\/squadre\/([a-z]{3,13})
Legacy.com newspaper ID	identifier for newspapers that have their obituaries indexed on Legacy.com
Legal entity registered by the Ministry of Culture of the Czech Republic ID	ID of the legal (church/religious) entity registered by the Czech Ministry of Culture
Legie 100 legionary ID	legionary identifier in Legie 100 project	^https?:\/\/legie100\.com\/krev-legionare\/([1-9][0-9]+)
Lens ID	identifier for documents in the Lens.org catalog (patents, articles)	^https?:\/\/(?:www\.)?lens\.org\/(\d{3}-\d{3}-\d{3}-\d{3}-\d+X?)
Les Enfoirés song ID	identifier for a song in the Enfoiréthèque, the database of Les Enfoirés website	^https?:\/\/(?:www\.)?enfoires\.fr\/enfoiretheque\/\?titres_id=([1-9]\d*)
Les Roses cultivées à L'Haÿ en 1902 ID	identifier in "Les Roses cultivées à L'Haÿ en 1902: essai de classement" by Jules Gravereaux
Letecká badatelna accident ID	identifier for an accident in Letecká badatelna
Lexer lemma ID	identifier for this lexeme in the Middle High German dictionary by Matthias Lexer at woerterbuchnetz.de
LexerN lemma ID	identifier for this lexeme in the supplement to the Middle High German dictionary by Matthias Lexer at woerterbuchnetz.de
Lexicon istoric retic ID	identifier in the Lexicon istoric retic (LIR), Romansh variant of Historical Dictionary of Switzerland	^https?:\/\/(?:www\.)?e-lir\.ch\/e-LIR___Lexicon\.(\d+)\.450\.0\.html ^https?:\/\/(?:www\.)?e-lir\.ch\/index\.php\?id=(\d+)
Lexicon of Medieval Nordic Law ID	identifier in the Lexicon of Medieval Nordic Law
Lexikon der österreichischen Provenienzforschung ID	identifier for an entry in the Dictionary of Austrian Provenance Research	^https?:\/\/(?:www\.)?lexikon-provenienzforschung\.org\/([a-záäíöšüÄÖÜß]+(-[a-záäíöšüÄÖÜß]+)*(-\d)?)
Lexikon zum Literatur- und Kulturbetrieb im Österreich der Zwischenkriegszeit ID	alphabetical identifier for an article in the Lexikon zum Literatur- und Kulturbetrieb im Österreich der Zwischenkriegszeit
LiLa Linking Latin URI	the URI of this lexeme in LiLa Lemma Collection (Q117021953)
Library of Congress Demographic Group Terms ID	identifier for a term in the Library of Congress Demographic Group Terms controlled vocabulary	^https?:\/\/id\.loc\.gov\/authorities\/demographicTerms\/(dg\d{10})
Library of Congress Genre/Form Terms ID	ID in the Library of Congress controlled vocabulary for genres and forms	^https?:\/\/id\.loc\.gov\/authorities\/genreForms\/(gf\d{10})
Library of Congress of Chile person ID	Biographical Articles of the Library of Congress of Chile ID
Library of Congress providers ID	identifier for a provider (publisher, distributor, manufacturer, etc.) from the Library of Congress Linked Data Service
Library of Parliament of Canada person ID	identifier for a federal politician in Canada (by the Library of Parliament)	^https?:\/\/lop\.parl\.ca\/sites\/ParlInfo\/default\/(?:en_CA\/People\/Profile|fr_CA\/(?:People|Personnes)\/Profile?)\?(?:.*&)?personId=([1-9]\d*)($|&)
Lichess username	username on the chess website lichess.org	^https:\/\/lichess\.org\/@\/([a-zA-Z0-9_\-]*[a-zA-Z0-9])$
LiederNet song cycle ID	song cycle identifier used by the LiederNet Archive
Line Blog user ID	user ID on LINE BLOG	^https?:\/\/lineblog\.me\/(\w+)
Lingua Libre ID	identifier in Lingua Libre, the Wikimedia project and tool for pronunciation
Linguasphere code	identifier for a language from Linguasphere Observatory	^https?:\/\/(?:www\.)?hortensj-garden\.org\/index\.php\?tnc=1&tr=lsr&nid=([0-9]{2}\-[A-Z]{3}\-[a-z]{1,3})
Linguist List code	identifier for a language per Linguist List	^https?:\/\/multitree\.org\/codes\/(([0-9a-z]{3}(-[0-9a-z]{3})?|[a-z]{4}))
Linked Open Data Comune Firenze ID	identifier for an entity in the Linked Open Data platform of the municipality of Florence (Italy)
Lithuania Minor Encyclopedia ID	identifier for an entry in the online version of Lithuania Minor Encyclopedia
LiverTox ID	LiverTox database ID
Livres Hebdo tag ID	identifier for a tag on the website of Livres Hebdo
LoC and MARC vocabularies ID	identifier for an item in one of the controlled vocabularies maintained by the Library of Congress	^https?:\/\/id\.loc\.gov\/vocabulary\/(\w+/[\w\d\-]+)\.html
Lobbypedia ID	identifier on Lobbypedia.de
LocalWiki ID	identifier for a project or article on LocalWiki
Location Memory building ID	identifier of a building on Location Memory
Logicielsmoto ID	identifier in the Logicielsmoto database of Thomson software	^https?:\/\/(?:www\.)?logicielsmoto\.com\/viewsoftware\.php\?softid=([1-9]\d*)
Lokalhistoriewiki.no article ID	identifier for an article in lokalhistoriewiki.no
Looted Cultural Assets Database ID	identifier for an entity in the Looted Cultural Assets (LCA) Database	^https?:\/\/db\.lootedculturalassets\.de\/index\.php\/Detail\/entities\/([1-9]\d*)
Los Angeles County Medical Examiner's Office Case Search person ID	identifier for a person whose autopsy was conducted by the Los Angeles County Department of Medical Examiner
Lur Encyclopedic Dictionary ID	identifier for an entry in the Lur Hiztegi Entziklopedikoa (Lur Encyclopedic Dictionary)	^https:\/\/www\.euskadi\.eus\/web01-a2lurhiz\/eu\/contenidos\/termino\/_c(\d{5}\/eu_[a-z]_\d{4}\/[a-z]\d{4})
Lutris genre ID	identifier of a video game genre in the Lutris database	^https?:\/\/lutris\.net\/games\/genre\/([\d]+)
Løøv classification	classification system for literature on Sami matters
L’Équipe team ID	identifier for a sports team in the L’Équipe database
MAC Address Block Large ID	unique identifier of an organisation registered with the IEEE	^https?:\/\/services13\.ieee\.org\/RST\/standards-ra-web\/rest\/assignments\/\?registry=MA-L&text=([0-9A-F]{6})&sortby=o
MAVISE TV channel ID	identifier for a TV channel in the MAVISE database of the European Audiovisual Observatory	^https?:\/\/mavise\.obs\.coe\.int\/channel\?id=([1-9]\d*)
MAVISE on-demand audiovisual service ID	identifier for an on-demand audiovisual service in the MAVISE database of the European Audiovisual Observatory	^https?:\/\/mavise\.obs\.coe\.int\/odas\?id=([1-9]\d*)
MEA Indian Mission ID	identifier for Indian diplomatic missions in foreign countries	^https?:\/\/mea\.gov\.in\/indian-mission\.htm\?([1-9][0-9]{0,2})
METAR code	METeorological Aerodrome Report
MGG Online ID	stable identifier for an entry on the MGG Online website	^https?:\/\/(?:www\.)?mgg-online\.com\/mgg\/stable\/([1-9]\d*)
MHDBDB lemma ID	identifier for this lexeme in the Middle High German Conceptual Database at mhdbdb.sbg.ac.at
MINEDEX project ID	Register of the Western Australian Department of Mines, Industry Regulation and Safety
MMSI	Maritime Mobile Service Identity of a ship station. Format 8 or 9 digits	^https?:\/\/(?:www\.)?marinetraffic\.com\/ais\/details\/ships\/(\d{8,9}) ^https?:\/\/www\.marinetraffic\.com\/(?:\w+)\/ais\/details\/ships\/shipid\:(?:\d+)\/mmsi\:(\d+) ^https?:\/\/(?:www\.)marinetraffic\.com\/ais\/details\/ships\/mmsi:(\d+) ^https?:\/\/www\.vesselfinder\.com\/vessels\/(?:[\w-]+)?MMSI-(\d+) ^https?:\/\/shipfinder\.co\/ship\/(\d+) ^https?:\/\/www\.myshiptracking\.com\/\?mmsi=(\d+) ^https?:\/\/www\.vesselfinder\.com\/\?mmsi=(\d+) ^https?:\/\/(?:www\.)?marinetraffic\.com\/..\/ais\/home\/centerx:(?:[\-0-9.]+)?\/centery:(?:[\-0-9.]+)?\/zoom:(?:[0-9]+)?\/mmsi:(\d{8,9}) ^https?:\/\/www\.vesselfinder\.com\/vessels\/details\/(\d{8,9}) ^https?:\/\/(?:www\.)?marinetraffic\.com\/..\/ais\/details\/ships\/(?:shipid:\d+)?\/mmsi:-(\d+) ^https:\/\/www\.marinevesseltraffic\.com\/vessels\/(?:.+)\/(?:.+)\/(?:.+)\/(\d+) ^https?:\/\/www\.shipfinder\.com\/Ship\/Detail\?mmsi=(\d+) ^https?:\/\/www\.shipspotting\.com\/photos\/gallery\?mmsi=([^#&?]+) https:\/\/www\.shipxplorer\.com\/data\/vessels\/.+MMSI-(\d+)
MNopedia ID	identifier for a subject in the online encyclopedia MNopedia, which covers Minnesota
MOHW HospID	ID of hospital registered under Ministry of Health and Welfare (Taiwan)	^https?:\/\/www1\.nhi\.gov\.tw\/QueryN\/Query3_Detail\.aspx\?Page=3&HospID=((\d{2}[0-4]\d{7}))
MPPDA Digital Archive film ID	link to a film's entry at the MPPDA Digital Archive
MPPDA Digital Archive organisation ID	link to an organisation's records at the MPPDA Digital Archive
MSRI person ID	identifier for a person on the Mathematical Sciences Research Institute website	^https?:\/\/www\.msri\.org\/people\/(\d+)
MUBI film ID	identifier for a film at MUBI	^https?:\/\/mubi\.com\/films\/(\d+)
MUSE article ID	identifier for a scholarly article in the Project MUSE bibliographic database	^https?:\/\/muse\.jhu\.edu\/article\/(\d+)
MUSE book ID	numeric identifier of an academic book in Project MUSE	https?:\/\/muse\.jhu\.edu\/book\/(\d+)
MWB lemma ID	identifier for this lexeme in the Middle High German dictionary at mhdwb-online.de
MWNF URL	url in the database of the Museum With No Frontiers (MWNF) virtual museum for the transmission of knowledge
Mafab.hu film ID	film ID in the Mafab.hu movie database
Maine: An Encyclopedia ID	identifier for an entry on the Maine: An Encyclopedia website
MalaCards ID	identifier in the Malacards database of diseases	^https?:\/\/(?:www\.)?malacards\.org\/card\/([a-z_]{5,30})
Malaysia Federal Legislation act ID	numerical identifier for Acts of the Parliament of Malaysia
Malaysia company new number	identifier for companies in Malaysia
Malpedia ID	identity for an item in the Malpedia database
MangaSeek award ID	identifier for a manga award on MangaSeek	^https?://mangaseek\.net/award/([1-9]\d*)\.html
ManualsLib brand ID	identifier for a brand or manufacturer, in the Manuals Lib library of instruction manuals	^https?:\/\/(?:www\.)?manualslib\.com\/brand\/([a-z0-9]+(\-[a-z0-9]+)*)\/
Mapillary ID	ID for a photo on Mapillary, a service for crowdsourcing map photos	^https?:\/\/(?:www\.)?mapillary\.com\/app\/\?pKey\=([0-9]{15})(?:&|$)
Marine Regions Geographic ID	identifier for marine geographic objects, in the marineregions.org database	^https?:\/\/marineregions\.org\/mrgid\/(\d+)
MarketScreener business leaders ID	ID of someone in MarketScreener	^https?:\/\/(?:www\.)?marketscreener\.com\/business-leaders\/([A-Za-z-]+-(\d+|[0-9A-Z]{6}-E))\/biography\/
Marmiton ID	alphabetical identifier for a dish on Marmiton, an established French cooking website	^https?:\/\/www\.marmiton\.org\/recettes\/index\/categorie\/([a-z]+(?:-[a-z]+)*)
Martindale-Hubbell profile	profile of a person at Martindale-Hubbell
Marvel Comics creators ID	identifier for artists and writers at Marvel.com
Material UI icon	URI that identifies an icon from Material UI collection
Materials Project material ID	identifier for a material in the Materials Project	^https?:\/\/materialsproject\.org\/materials\/(mp-[1-9]\d*)\/
Matrix room ID	identifier for the official Matrix room of an institution or project
MeSH descriptor ID	identifier for Descriptor or Supplementary concept in the Medical Subject Headings controlled vocabulary	^https?:\/\/id\.nlm\.nih\.gov\/mesh\/([CD]\w{6}(?:\w{3}|))\.html ^https?:\/\/(?:id|meshb)\.nlm\.nih\.gov\/(?:mesh\/|record\/ui\?ui=)([CD]\w{6}(?:\w{3}|))
Media Arts Database ID	identifier for the Media Arts Database created by the Japanese government department Bunkacho	^https?:\/\/mediaarts-db\.(?:bunka|artmuseums)\.go\.jp\/id\/([MC]\d+)
Mediaqueer.ca artist ID	Wikidata property related to LGBT, Wikidata property for items about films, and Wikidata property for an identifier in Canada
MedlinePlus ID	health information from U.S. government agencies, and health-related organizations	^https?:\/\/medlineplus\.gov\/(?:spanish\/)?ency\/article\/(\d{6})\.htm
Memória Globo ID	identifier for pages on the history of Brazilian TV network Rede Globo, researched by a team of journalists, historians and anthropologists	^https?:\/\/memoriaglobo\.globo\.com\/([a-z]+(?:\/[a-z\-\d]+)+\.htm)
Mendeley publication ID	identifier for a scientific publication on the Mendeley.com website	^https?:\/\/www\.mendeley\.com\/catalogue\/([0-9a-f]{8}\-[0-9a-f]{4}\-[0-9a-f]{4}\-[0-9a-f]{4}\-[0-9a-f]{12})\/
Merck Index monograph	URL stem of page in The Merck Index Online
Merck Index reaction ID	identifier for a chemical reaction, in the Merck Index	^https?:\/\/(?:www\.)?rsc\.org\/Merck-Index\/reaction\/r([1-9][0-9]{0,2})
MetaSat ID	identifier for MetaSat, an open metadata vocabulary used to describe space missions
Meteoritical Bulletin Database ID	identifier for a meteorite in the database of the Meteoritical Society	^https?:\/\/(?:www\.)?lpi\.usra\.edu\/meteor\/metbull\.php\?code=([1-9]\d{0,4})
Meteorological Service of Canada climate site ID	7 digit number assigned by the Meteorological Service of Canada to a site where official weather observations are taken, and serves as a permanent, unique identifier
Meyers lemma ID	identifier for this lexeme in the Meyers Großes Konversationslexikon at woerterbuchnetz.de
Michelin Voyages ID	identifier for a place in the website Michelin Voyages	^https?:\/\/voyages\.michelin\.fr\/((afrique|amerique-du-nord|europe|asie|oceanie|amerique-centrale-et-du-sud)(\/[a-z\/\-]+)?)
Michigan Historical Marker ID	identifier of a historical marker in the Michigan Historical Marker Program
Microsoft Academic ID	identifier for an object or topic in the Microsoft Academic Graph (until 31 December 2021)	^https?:\/\/academic\.microsoft\.com\/[a-z]+\/(\d+)\/
Microsoft Edge Platform Status feature ID	identifier for a feature on Microsoft Edge Platform Status feature ID
Microsoft MVP profile ID	identifier for a Microsoft Most Valuable Professional Award recipient	^https?:\/\/mvp\.microsoft\.com\/en-us\/PublicProfile\/([1-9]\d*)
Miljørapporter file ID	identifier for file with environment impact assessment on The Danish Environmental Portal
Mindat mineral ID	identifier for a mineral or related material (rock, mixture) in the Mindat.org database	^https?:\/\/(?:www\.)?mindat\.org\/min-([1-9]\d*)\.html
Mindat.org Glossary of Mineralogical Terms ID	identifier for an entry in the Mindat.org Glossary of Mineralogical Terms	^https?:\/\/www\.mindat\.org\/glossary\/([^#?]+)
Minerals.net mineral and gemstone ID	identifier for a mineral or gemstone on Minerals.net	^https?:\/\/(?:www\.)?minerals\.net\/((gemstone|mineral)\/[a-z'_\-]+)\.aspx
Ministry of the Interior of Italy ID	identifier of a politician in the Italian Ministry of the Interior's database
Minitel code	access code of a service on the Minitel Videotex
Mix'n'match catalog ID	ID of the catalog corresponding to the property in the mix'n'match tool	^https:\/\/mix-n-match\.toolforge\.org\/#\/catalog\/(\d+)
MobyGames genre ID	identifier of a video game genre in the MobyGames database	^https?:\/\/(?:www\.)?mobygames\.com\/genre\/sheet\/view\/genreId,([1-9]\d*)\/
ModelSEED compound ID	ID of chemical compound in ModelSEED	^https?:\/\/modelseed\.org\/biochem\/compounds\/(cpd\d{5})
Modrinth project ID	identifier for a project on the Modrinth website
Mojarto artist ID	external identifiers for artists whose arts are sold through Mojarto	^https?:\/\/(?:www\.)?mojarto\.com\/artists\/([\w\-]+)
Mondo ID	identifier for an entity in the Mondo Disease Ontology
Monumental Trees ID	identifier of a remarkable tree on the Monumental Trees website
Mormon Literature and Creative Arts Database Works ID	identifier for a work listed in the Mormon Literature and Creative Arts Database	^https?:\/\/mormonarts\.lib\.byu\.edu\/works\/([a-z0-9]+(-[a-z0-9]+)*)
Moths of India ID	identifier for moths found in India maintained by the 'Moths of India' database	^https?:\/\/(?:www\.)?mothsofindia\.org\/#!\/sp\/([0-9]+)
Motorsports Hall of Fame of America ID	Mini biographies of the inductees to the Motorsports Hall of Fame of America	^https?:\/\/(?:www\.)?mshf\.com\/hall-of-fame\/inductees\/([\w-]+)\.html
Mountain Project ID	identifier for a climbing area or route on the 'Mountain Project' website	^https?:\/\/(?:www\.)?mountainproject\.com\/v\/(1\d{8})
Mozilla Developer Network article	article that describes the item on Mozilla Developer Network website	^https?:\/\/developer\.mozilla\.org\/(?:[a-z]{2}-[A-Z]{2}\/)?docs\/([^?#]+)
MuIS collection ID	identifier for a collection in the Estonian museum database MuIS	^https?:\/\/(?:www\.)?muis\.ee\/rdf\/collection\/([1-9]\d*)
MuIS person or group ID	identifier for a person or group in the Estonian museum database MuIS	^https?:\/\/opendata\.muis\.ee\/person-group\/([1-9]\d*)
MuseScore artist ID	identifier for an artist on MuseScore	^https?:\/\/musescore\.com\/artist\/(?:\w+-)?([1-9]\d*)
Museen Dresden article ID	identifier of persons and organisations on Museen der Stadt Dresden
Museu Nacional ID	online catalog ID for Museu Nacional
Museu Paulista iconography ID	unique identifier for items of the iconography collection of Museu Paulista	^https?:\/\/acervoonline\.mp\.usp\.br\/iconografia\/([a-zA-Z-\d]+)(?:\/)?
Museu Paulista objects ID	unique identifier for items of the objects collection of Museu Paulista	^https?:\/\/acervoonline\.mp\.usp\.br\/documentos-tridimensionais\/([a-zA-Z-\d]+)(?:\/)?
Museu da Pessoa person ID	unique identifier of a person on the Museu da Pessoa website
Museu de Memes ID	identifier for the Memes Museum of the Brazilian Fluminense Federal University
Museum of Gothenburg object ID	identifier for an object in the Museum of Gothenburg
Museum of the Jewish People at Beit Hatfutsot ID	identifier for an entity in the databases of the Museum of the Jewish People at Beit Hatfutsot	^https?:\/\/dbs\.anumuseum\.org\.il\/skn\/en\/e([1-9]\d*)
MusicBrainz event ID	identifier for an event in the MusicBrainz open music encyclopedia	^https?:\/\/musicbrainz\.org\/event\/([0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12})
Musica Brasilis score ID	unique identifier for a score in the Musica Brasilis website
Musicsperlacobla sardana ID	sardana identifier used by musicsperlacobla.cat archive	^https\:\/\/www\.musicsperlacobla\.cat\/obra\.php\?codi\=(\d\.\d{1,3}[a-zA-Zñü]{5,8}[\d]{3,4})$
Musikasten ID	identifier for an artist in Musikasten, a comprehensive database of music in Basque	^https?:\/\/(?:www\.)?musikasten\.eus\/taldea\/([a-z]+(-[a-z\d]+)*)
Musixmatch writer ID	identifier for writers/authors in Musixmatch database
MyHeritage Surname ID	string identifying a surname (family name) at the MyHeritage genealogy website	^https:\/\/lastnames\.myheritage\.com\/last-name\/([^\/?]+)
MyNeta.info political party ID	external identifier to link data about Indian political parties	^https?:\/\/myneta\.info\/party\/index\.php\?action=summary&id=([1-9][0-9]{0,3})
Műemlékem.hu identifier	identifier of a monument in Hungary in the Műemlékem.hu database
NAD place ID	the topographic database at the Swedish National Archive	^https?:\/\/sok\.riksarkivet\.se\/\?type=3&postid=ArkisRef\s(SE\/([0-9]+))
NARCIS researcher ID	Dutch researchers with information about publications	^https?:\/\/www\.narcis\.nl\/person\/RecordID\/(PRS\d+)
NASA International Space Station experiment ID	identifier for an International Space Station experiment in the NASA website
NASA International Space Station facility ID	identifier for an International Space Station facility in the NASA website
NATO Stock Number	13-digit numeric code identifying an object used by NATO member country armed forces
NATO reporting name	official reporting name assigned by the ASCC for NATO use
NBAIR pest ID	identifіer for crop pests found in India	^https?:\/\/(?:www\.)?nbair\.res\.in\/insectpests\/([\w\-]+)\.php
NC Highway Historical Marker Program ID	alphanumerical identifier for an historical marker of the North Carolina Highway Historical Marker Program	^https?:\/\/(?:www\.)?ncmarkers\.com\/Markers\.aspx\?MarkerId=([A-Z]{1,3}-[1-9]\d*)
NCAA Statistics team season ID	identifier for a year of a college sports team on stats.ncaa.org	^https?:\/\/stats\.ncaa\.org\/teams\/([1-9]\d*)
NCES district ID	identifier for a school district or education agency in the United States	^https?:\/\/nces\.ed\.gov\/ccd\/districtsearch\/district_detail\.asp\?ID2=(\d+) ^https?:\/\/nces\.ed\.gov\/ccd\/districtsearch\/district_detail\.asp\?Search=2&ID2=(\d+)
NCHDB asset ID	identifier of a place or cultural practice in the database of the National cultural database management system of the Republic of China (Taiwan)
NCI Dictionary of Cancer Terms entry	identifier for an entry in the NCI Dictionary of Cancer Terms
NCI Dictionary of Genetics Terms entry	identifier for an entry in the NCI Dictionary of Genetics Terms
NCI Thesaurus ID	identifier in the United States National Cancer Institute Thesaurus, vocabulary for clinical care, translational and basic research, etc	^https?:\/\/ncit\.nci\.nih\.gov\/ncitbrowser\/ConceptReport\.jsp\?dictionary=NCI\sThesaurus&code=(C\d{3,7})
NCpedia ID	identifier for a subject in the online encyclopedia NCpedia, that covers North Carolina
NDB airport beacon ID	NDB identifier for airport beacons	^https?:\/\/(?:www\.)?openaip\.net\/navaids\?field_openaip_navaid_type_value_many_to_one=2&title=&field_openaip_navaid_id_value=([A-Z]{1,3})
NDL earlier law ID	identifier in the NDL (National Diet Library) Japanese Law Index (early Meiji years)	^https?:\/\/dajokan\.ndl\.go\.jp\/(?:#|simple)\/detail\?lawId=(\d{8})
NDL law ID	identifier in the NDL (National Diet Library) Japanese Law Index	^https?:\/\/hourei\.ndl\.go\.jp\/(?:#|simple)\/detail\?lawId=(\d{10})
NEC Retro ID	identifier in the NEC Retro wiki
NFF club ID	identifier for a member club in Football Association of Norway	^https?:\/\/(?:www\.)?fotball\.no\/fotballdata\/klubb\/hjem\/\?fiksId=([1-9]\d*)
NHF club ID	identifier for a member club in Norwegian Handball Federation
NHS Health A to Z ID	identifier for a health condition in the NHS Health A to Z
NIOSH Numbered Publication ID	identifier for an official publication of the U.S. National Institute of Safety and Health (NIOSH)	^https?:\/\/(?:www\.)?cdc\.gov\/niosh\/docs\/(7[0-3]-[1-9]\d{4}|([7-9]\d|20\d{2})-[1-9]\d{2})\/
NKAA ID	identifier for an entry in the Notable Kentucky African Americans Database	^https?:\/\/nkaa\.uky\.edu\/nkaa\/items\/show\/(\d+)
NLC Bibliography ID (Chinese language)	identifier for a Chinese-language work per National Library of China
NLC Bibliography ID (foreign-language)	identifier for a foreign-language work in the National Library of China database	^https?:\/\/opac\.nlc\.cn\/F\?func=direct&local_base=NLC09&doc_number=(\d+)
NLI Archive (bibliographic) ID	ID for a collection in the National Library of Israel (NLI) archive Catalog (NLI_archive).
NLS place type ID	place type ID in the Finnish National Land Survey Place Names Register
NMMA antiquities ID	identifier for antiquities of India which are documented by National Mission on Monuments and Antiquities
NMRShiftDB structure ID	structure identifiers in the NMRShiftDB	^https?:\/\/nmrshiftdb\.nmr\.uni-koeln\.de\/molecule\/(\d+)
NOTAM (FAA)	reference of a Notice to Airmen (NOTAM) issued by the FAA in the United States	^https?:\/\/tfr\.faa\.gov\/save_pages\/detail_(\d\/\d+)\.html
NPDRMI record ID	identifier for digital records in the National Portal and Digital Repository for Museums of India	^https?:\/\/museumsofindia\.gov\.in\/repository\/record\/([\w\-]+)
NPR station ID	identifier for a National Public Radio member station
NRK TV ID	identifier for subjects in NRK TV, the Norwegian national public television broadcaster
NSDAP membership number (1925–1945)	membership number in the Nazi Party
NSDOK Stolperstein ID	identifier for Stolpersteine in Cologne issued by the NS-Documentation Center of the City of Cologne	^https?:\/\/(?:www\.)?museenkoeln\.de\/ns-dokumentationszentrum(?:\/(?:default\.aspx)?)?\?(?:.*&)?s=2523&(?:.*&)?stid=([1-9]\d{0,3})($|&) ^https?:\/\/(?:www\.)?museenkoeln\.de\/ns-dokumentationszentrum(?:\/(?:default\.aspx)?)?\?(?:.*&)?stid=([1-9]\d{0,3})&(?:.*&)?s=2523($|&)
NSR stopplace ID	identifier for a public transport stop in the Norwegian National Stop Register
NSSDCA ID	external identifier of records within the Master Catalog of the NASA Space Science Data Coordinated Archive (NSSDCA), similar but not synonymous with the COSPAR ID (P247)	^https?:\/\/nssdc\.gsfc\.nasa\.gov\/nmc\/spacecraft\/display\.action\?id=((19[5-9]|20[0-2])\d-[01]\d\d[A-Z]{1,2})
NSW State Archives and Records Authority Agency ID	identifier for current and historic government agencies in New South Wales, Australia, allocated by the State Records Authority	^https?:\/\/(?:www\.)?records\.nsw\.gov\.au\/agency\/([1-9]\d*)
NSW State Archives and Records Authority ID	identifier in the URL for items by the NSW State Archives and Records Authority	^https?:\/\/search\.records\.nsw\.gov\.au\/primo-explore\/fulldisplay\?vid=61SRA&docid=([A-Z]+\d+)
NTIS accession number	identifier in the U.S. National Technical Information Service database	^https?:\/\/ntrl\.ntis\.gov\/NTRL\/dashboard\/searchResults\/titleDetail\/([A-Z]+\d+[A-Z\d]*)\.xhtml
NTS Radio artist ID	identifier for an artist on the NTS Radio website	^https?:\/\/(?:www\.)?nts\.live\/artists\/([1-9]\d{0,6})
NVE Drainage Basin (REGINE) ID	identifier for water system areas in Norway by the Norwegian Water Resources and Energy Directorate
NVE Lake Database ID	national identifying number given by NVE for every lake in Norway with a minimum size of 2500 m²
NVE powerplant ID	serial number for a hydroelectric powerplant in Norwegian Water Resources and Energy Directorate's Power Plant database	^https?:\/\/(?:www\.)?nve\.no\/energi\/energisystem\/vannkraft\/vannkraftdatabase\/vannkraftverk\/\?id=(\d{1}|\d{2}|\d{3}|(1|2)\d{3})$ ^https?:\/\/(?:www\.)?nve\.no\/energi\/energisystem\/vindkraft\/utbygde-vindkraftverk\/vindkraftverk\/\?id=(9|10)\d{3}
National Buildings Repository identifier	identifier of a building in the National Buildings Repository (France)
National Cancer Institute ID	identifier at www.cancer.gov	^https?:\/\/(?:www\.)?cancer\.gov\/([a-z\-]+)
National Criminal Justice ID	identifier for a publication, report, article or audiovisual product, in the United States' National Criminal Justice Reference Service database	^https?:\/\/(?:www\.)?ncjrs\.gov\/App\/Publications\/abstract\.aspx\?ID=(\d{1,6})
National Database of Laws and Regulations ID	law ID of "National Database of Laws and Regulations" maintained by General Office of the Standing Committee of the National People's Congress
National Equipment Registration System Supplier Number	unique identifier for an organisation supplying electrical equipment listed in the Australian National Equipment Registration System
National Football Teams.com match ID	identifier for an association football (soccer) match in the National Football Teams.com database
National Grid Balancing Mechanism unit ID	Unit identifier for the UK National Grid electricity Balancing Mechanism
National Library of Aruba ID	ID used in the collection of the National Library of Aruba
National Library of Malaysia OPAC ID	identifier for an item in online public access catalogue of the National Library of Malaysia
National Library of Uruguay authority ID	authority control identifier used at the National Library of Uruguay
National Medal of Arts winner ID	identifier for a National Medal of Arts winner on the United States' National Endowment for the Arts website
National Pipe Organ Register ID	identifier in the (United Kingdom) National Pipe Organ Register	^https?:\/\/(?:www\.)?npor\.org\.uk\/NPORView\.html\?RI=(N\d{5})
National Pollutant Inventory ID	jurisdiction identifier for facilities in the National Pollutant Inventory of Australia	^https?:\/\/(?:www\.)?npi\.gov\.au\/npidata\/action\/load\/individual-facility-detail\/criteria\/year\/2017\/jurisdiction-facility\/([\d\w ]+) ^https?:\/\/(?:www\.)?npi\.gov\.au\/npidata\/action\/load\/individual-facility-detail\/criteria\/year\/2018\/jurisdiction-facility\/([\d\w ]+)
National Register of Monumental Trees ID	identifier in the registry of monumental trees in the Netherlands	^https?:\/\/bomen\.meetnetportaal\.nl\/index\.php\?c=portal&mm=claim&m=custom&options=monumentale_bomen\/claimformulier\.xml&boomnr=(\d+)
National Registry of Exonerations Case ID	Case ID for an individual listed in a database of people who have been exonerated of crimes in the United States	^https?:\/\/(?:www\.)?law\.umich\.edu\/special\/exoneration\/Pages\/casedetail\.aspx\?caseid=([1-9]\d{3})
National September 11 Memorial ID	identifier of person killed in the attacks of September 11, 2001 and February 26, 1993.	^https?:\/\/names\.911memorial\.org\/#page=person&id=(\d+)
National Transportation Safety Board report ID	identifier for a report about a transport accident from the National Transportation Safety Board	^https?:\/\/(?:www\.)?ntsb\.gov\/investigations\/AccidentReports\/Pages\/([A-Z]{3}\d{4})\.aspx ^https?:\/\/(?:www\.)?ntsb\.gov\/investigations\/AccidentReports\/Reports\/([A-Z]{3}\d{4})\.pdf
National Wrestling Hall of Fame University team ID	identifier for an American university wrestling team
National-Football-Teams.com team ID	identifier for a association football (soccer) national team in the National-Football-Teams.com database	^https:\/\/(?:www\.)?national-football-teams\.com\/(?:de\/)?country\/([1-9]\d{0,6})\/0\/\-\.html ^https:\/\/(?:www\.)?national-football-teams\.com\/(?:de\/)?country\/([1-9]\d{0,6})\/\d+\/[A-Za-z]+(?:\_[A-Za-z]+)*\.html
Native Land language ID	identifier for language entry on the Native Land interactive map
Natural Product Atlas ID	identifier in the Natural Product Atlas	^https?:\/\/(?:www\.)?npatlas\.org\/explore\/compounds#npaid=(NPA\d+)
Naver Encyclopedia ID	ID of an document in Naver Encyclopedia	^https?:\/\/terms\.naver\.com\/entry\.nhn\?docId=(\d+)
Naver VIBE album ID	identifier for an album on Naver VIBE site	^https?:\/\/vibe\.naver\.com\/album\/([1-9]\d*)
Nederlandse Voornamenbank ID	identifier for a given name in Nederlandse Voornamenbank
NeuroNames ID (plain mode)	numeric identifier of a brain structure in the BrainInfo (NeuroNames) database in plain mode	^https?:\/\/braininfo\.rprc\.washington\.edu\/centraldirectory\.aspx\?ID=(\d+)
Nevada SHPO marker ID	alphabetical identifier for an historical marker of the Nevada State Historic Preservation Office, in Nevada	^https?:\/\/shpo\.nv\.gov\/nevadas-historical-markers\/historical-markers\/([a-z]+(-[a-z]+)*)
New Encyclopedic Dictionary of Czech ID	identifier for an entry in the online release of the New Encyclopedic Dictionary of Czech
New Georgia Encyclopedia ID	identifier of a topic in the online New Georgia Encyclopedia	^https?:\/\/www\.georgiaencyclopedia\.org\/articles\/((?:(?:arts-culture|business-economy|counties-cities-neighborhoods|education|geography-environment|government-politics|history-archaeology|people|science-medicine|sports-outdoor-recreation)\/)?[a-z\d][a-z\-–\d]+) ^https?:\/\/www\.georgiaencyclopedia\.org\/articles\/(counties-cities-neighborhoods\/[^\/]+) ^https?:\/\/www\.georgiaencyclopedia\.org\/articles\/(sports-outdoor-recreation\/[^\/]+)
New Zealand Gazetteer place ID	identifier for a place in the New Zealand Gazetteer
Newguineaworld ID	identifier for a native language or language family of New Guinea on the Newguineaworld website
Nihon Tarento Meikan ID	identifier of person in Nihon Tarento Meikan	^https?:\/\/(?:www\.)?vip-times\.co\.jp\/\?talent_id=(\w{1,2}\d{2}-\d{4})
Nintendo GameID (GameCube/Wii)	six-alphanumeric-character Nintendo GameID for a specific game on the GameCube or Wii	^https?:\/\/wiki\.dolphin-emu\.org\/dolphin-redirect\.php\?gameid=([C-HJLMNP-SWX]..[ADEFH-NP-Z][0-9A-HJ-NP-Z]{2})
Nomenclature for Museum Cataloging	nomenclature for object naming and classification, maintained by Canadian Heritage Information Network (CHIN) and American Association for State and Local History (AASLH)	^https?:\/\/(?:www\.)?nomenclature\.info\/nom\/([1-9]\d*) ^https?:\/\/(?:www\.)?nomenclature\.info\/parcourir-browse\.app\?id=([1-9]\d*) ^https:\/\/www\.nomenclature\.info\/resource\?uri=https:%2F%2Fnomenclature\.info%2Fnom%2F([1-9]\d*$)
Nominis given name ID	given name identifier in Nominis database	^https?:\/\/nominis\.cef\.fr\/contenus\/prenom\/([1-9]\d{0,3}/[A-Z][a-zéëüãłż]+(-[A-Z][a-zéëüãłż]+)?)\.html
Nomor Pokok Wajib Pajak	Indonesian taxpayer identification number
Normattiva ID	URL linking to the law in the Normattiva website
Norsk pop- og rockleksikon ID	identifier of an article in the online biographic encyclopedia Norsk pop- og rocklexicon
North America PlayStation Store ID	identifier for a game available on the PlayStation Store (NA region)	^https?:\/\/store\.playstation\.com/[-a-z]+\/product\/(UP\d{4}-[A-Z]{4}\d{5}_00-[\dA-Z_]{16})
Northern Ireland Assembly ID	Identifier for a member of the Northern Ireland Assembly	^https?:\/\/aims\.niassembly\.gov\.uk\/mlas\/details\.aspx\?sel=&ind=&prv=&per=(\d+)
Norwegian National Road DataBase ID	Database ID in the Norwegian National Road DataBase	^https?:\/\/(?:www\.)?vegvesen\.no\/nvdb\/api\/v2\/vegobjekt\?id=([1-9]\d*)
Norwegian Polar Institute place name ID	identifier of a location in the Norwegian Polar Institute's "Place names in Norwegian polar areas" database	^https?:\/\/data\.npolar\.no\/placename\/([0-9a-f]{8}(-[0-9a-f]{4}){3}-[0-9a-f]{12})
Norwegian fjord catalog ID	identificator for fjords and sea areas in Norway
Norwegian war prisoner detention camp ID	identification number in the Norwegian prisoner register 1940 -1945 for a detention camp
Norwegian war sailor register ship-ID	identifikation number for ship in the Norwegian war sailor register	^https?:\/\/(?:www\.)?krigsseilerregisteret\.no\/no\/skip\/(\d+)
NosDéputés.fr identifiant	identifier for a french deputies in NosDéputés.fr	^https?:\/\/(?:www\.)?nosdeputes\.fr\/([a-z-]+)
NosSénateurs.fr ID	identifier for french deputies in NosSénateurs.fr	^https?:\/\/(?:www\.)?nossenateurs\.fr\/([a-z-]+)
Numista ID	unique identifier for a coin, banknote, medal, or related item on Numista	^https?:\/\/(?:en|fr)\.numista\.com\/catalogue\/type([1-9]\d*)\.html
Numista ruling authority ID	unique identifier for a period, ruler, government or institution on Numista	^https?:\/\/(?:en|fr|es)\.numista\.com\/catalogue\/ruler\.php\?id=​([1-9]\d*)
Nynorskordboka-ID	identifier for a single entry in Nynorskordboka, the official Norwegian Nynorsk dictionary
OBIS ID	identifier for a taxon, in the Ocean Biogeographic Information System	^https?:\/\/obis\.org\/taxon\/(\d{1,7})
ODLIS ID	identifier for an entry in ODLIS: Online Dictionary for Library and Information Science
OEIS ID	identifier on the On-Line Encyclopedia of Integer Sequences	^https?:\/\/oeis\.org\/(A\d{6})
OGDB compilation ID	identifier of a video game compilation in the Online Games-Datenbank	^https?:\/\/ogdb\.eu\/index\.php\?section=compilation&compid=([1-9]\d*)
OLAC video game genre vocabulary ID	identifier of video game genre vocabulary of the OLAC (Online Audiovisual Catalogers)	^https?:\/\/metadataregistry\.org\/uri\/olac\/([1-9]\d*) ^https?:\/\/metadataregistry\.org\/concept\/show\/id\/([1-9]\d*)
OM institution ID	identifier of primary and secondary schools at the Hungarian Ministry of Education	^https?:\/\/(?:www\.)?oktatas\.hu\/hivatali_ugyek\/kir_intezmenykereso\/!KIR_Intezmenykereso\/Intezmeny\/Index\/(\d{6})
ONF forest national ID	unique identifier of a forest by the Office national des forêts (French governmental agency)
OS grid reference	grid location reference from the Ordnance Survey National Grid reference system used in Great Britain	^https?:\/\/nearby\.org\.uk\/coord\.cgi\?p=([A-Z]{2}\s?[0-9]{1,5}\s?[0-9]{1,5}) https:\/\/www\.geograph\.org\.uk\/gridref\/([A-Z]{2}\s?[0-9]{1,5}\s?[0-9]{1,5})
OSGS-Number	ID for organisations registered with the OSGS	^https?:\/\/(?:www\.)?osgs\.at\/organisationen-finden\/\?query=(0?\d{1,4})#ergebnisse
OSHA Occupational Chemical Database ID	Wikidata property for an identifier and numeric identifier
OSL ID	identifier of a cuneiform sign in the Oracc Sign List
OSM Name Suggestion Index ID	identifier for a brand in OpenStreetMap’s Name Suggestion Index	^https?:\/\/nsi\.guide\/index\.html\?[^\s\/]+#(\w+-[0-9a-f]{6})
Oberwolfach mathematician ID	identifier for a mathematician in the Oberwolfach Photo Collection of Photographs	^https?:\/\/owpdb\.mfo\.de\/person_detail\?id=([1-9]\d{1,4})
Objectif Gard topic ID	identifier for a topic on ''Objectif Gard'''s website
Occupational Outlook Handbook ID	identifier for occupations in the Occupational Outlook Handbook	^https?:\/\/www\.bls\.gov\/ooh\/((?:architecture-and-engineering|arts-and-design|building-and-grounds-cleaning|business-and-financial|community-and-social-service|computer-and-information-technology|construction-and-extraction|education-training-and-library|entertainment-and-sports|farming-fishing-and-forestry|food-preparation-and-serving|healthcare|installation-maintenance-and-repair|legal|life-physical-and-social-science|management|math|media-and-communication|military|office-and-administrative-support|personal-care-and-service|production|protective-service|sales|transportation-and-material-moving)\/[a-z]+[a-z-]*)\.htm
Odonata of India ID	identifier for odonata species found in India maintained by the 'Odonata of India' database	^https?:\/\/(?:www\.)?indianodonata\.org\/#!\/sp\/([0-9]+)
OhRanger.com ID	identifier for a place on the OhRanger.com website
Olympedia affiliations ID	identifier for the affiliation of athletes in Olympedia athlete database	^https?:\/\/(?:www\.)?olympedia\.org\/affiliations\/([1-9]\d{0,5})
OmegaWiki Defined Meaning	"Defined Meaning" on the site	^https?:\/\/www\.omegawiki\.org\/DefinedMeaning:([1-9]\d{0,6}) ^https?:\/\/www\.omegawiki\.org\/DefinedMeaning:(?:.+)_\(([1-9]+) ^https:\/\/www\.wikiskripta\.eu\/w\/([^\?]+)
Onestop ID	identifier for public transporation-related entities in Transitland database	^https://www\.transit\.land/onestop\-id/([fosr]\-[0123456789bcdefghjkmnpqrstuvwxyz]+\-[a-z~]+)$ ^https://www\.transit\.land/feeds/(f\-[0123456789bcdefghjkmnpqrstuvwxyz]+\-[a-z~]+)$ ^https://www\.transit\.land/operators/(o\-[0123456789bcdefghjkmnpqrstuvwxyz]+\-[a-z~]+)$ ^https://www\.transit\.land/stops/(s\-[0123456789bcdefghjkmnpqrstuvwxyz]+\-[a-z~]+)$ ^https://www\.transit\.land/routes/(r\-[0123456789bcdefghjkmnpqrstuvwxyz]+\-[a-z~]+)$
Online Archive of California finding aid ID	identifier for a finding aid, or collection guide, in the Online Archive of California	^https?:\/\/oac\.cdlib\.org\/findaid\/ark:\/13030\/([a-z0-9]+)
Online Coins of the Roman Empire ID	identifier of a coin in the Online Coins of the Roman Empire platform, with numbering based on the Roman Imperial Coinage (RIC) series published by Spink & Son	^https?:\/\/numismatics\.org\/ocre\/id\/ric\.([1-9][0-9]{0,3}(\([1-9]\))?(\.[a-z]{0,3})?(\.[0-9]+[A-Z]{0,1})?)
Online Nevada Encyclopedia ID	identifier for an entry on the Online Nevada Encyclopedia website
OnlyFans ID	identifier for a person on the OnlyFans website	^https:\/\/onlyfans\.com\/([^:?]+)
Ontario public library ID	identifier in the Ontario public library statistics
Ontology of units of Measure 2.0 unit ID	Wikidata property for an identifier
Oorlogsmonument ID	identifier for a war memorial in the database maintained by the Dutch Nationaal Comité 4 en 5 mei	^https?:\/\/(?:www\.)?4en5mei\.nl\/oorlogsmonumenten\/zoeken\/(\d+)
OpaqueNamespace ID	identifier in the OpaqueNamespace linked data service	^https?:\/\/opaquenamespace\.org\/ns\/(\w+\/\w+)
Open Churches ID	ID for a church on the website of Open Churches project	^https?:\/\/openchurches\.eu\/en\/churches\/([a-z0-9-]*)
Open Food Facts ingredient ID	identifier of a food ingredient on Open Food Facts	^https?:\/\/\w+\.openfoodfacts\.org\/ingredient\/((?:[a-z]{2,3}:)?[a-z-]+)
Open Food Facts label	identifier of a food label on Open Food Facts	^https?:\/\/[^\.]+\.openfoodfacts\.org\/label\/([^\/]+)
Open Science Framework ID	ID in osf.io	^https?:\/\/osf\.io\/([a-z0-9]{5})
OpenBibArt ID	identifier for a bibliographical reference on the OpenBibArt website	^https?:\/\/(?:www\.)?openbibart\.fr\/item\/display\/10068\/([1-9]\d*)
OpenCorporates register ID	identifier for a company register at OpenCorporates registers	^https?:\/\/opencorporates\.com\/registers\/([1-9]\d{0,2})
OpenCorporates register jurisdiction	jurisdiction of company register at http://registries.opencorporates.com/
OpenRetro Game Database ID	identifier in the OpenRetro Game Database	^https?:\/\/openretro\.org\/game\/([0-9a-f]{8}-([0-9a-f]{4}-){3}[0-9a-f]{12})
OpenReview.net group ID	idenfifier for a (group of) events	^https?:\/\/openreview\.net\/group\?id=([^&])
OpenReview.net submission ID	identifier for submitted article to the OpenReview.net system	^https?:\/\/openreview\.net\/forum\?id=([A-Za-z0-9_\-]{9,10})
OpenTrials ID	identifier for OpenTrials database over clinical trials	^https?:\/\/explorer\.opentrials\.net\/trials\/([0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12})
Openpolis ID	identifier in Openpolis, a database of Italian politicians	^https?:\/\/politici\.openpolis\.it\/politico\/([1-9][0-9]*)
Opta football competition ID	identifier of a football competition in Opta
Opta football team ID	identifier of an association football team in Opta Sports
Or Movement regional council ID	the ID of a regional council in the Or Movement database for the Negev and the Galilee	^https?:\/\/or1\.org\.il\/moatza\/([א-ת-]+)
Or Movement settlement ID	the ID of a settlement in the Or Movement database for the Negev and the Galilee	^https?:\/\/or1\.org\.il\/settlments\/([א-ת-]+)
Ordbog over det danske sprog ID	identifier of the lexeme in Ordbog over det danske sprog (ODS)
Orthodox Encyclopedia ID	identifier for an entry on the official website of the Orthodox Encyclopedia	^https?:\/\/(?:www\.)?pravenc\.ru\/text\/([1-9]\d{4,6})\.html
OrthodoxWiki ID (English)	numeric identifier of a page in the English edition of OrthodoxWiki.org	^https?:\/\/orthodoxwiki\.org\/index\.php\?curid=([\d]+)
Oskar Schindler Archive agent ID	Wikidata property for authority control for people, Wikidata property for an identifier, and numeric identifier in United States of America
Osservatorio culturale del Cantone Ticino ID	Osservatorio culturale del Cantone Ticino ID for a cultural institution	^https?:\/\/www4\.ti\.ch\/decs\/dcsu\/osservatorio\/risorse\/operatori-culturali\/dettaglio\/\?opeId=(\d{1,4})
Our Campaigns race ID	ID for a race in the Our Campaigns political election database	^https?:\/\/(?:www\.)?ourcampaigns\.com\/RaceDetail\.html\?RaceID=(\d+)
OverDrive series ID	identifier for a book series at OverDrive	^https:\/\/www\.overdrive\.com\/series\/(\S+)
Oxford Classical Dictionary ID	identifier for a topic in the Oxford Classical Dictionary online
Oxford Reference overview ID	identifier for an overview page for a topic in the Oxford Reference
PAM ID	identifier for a person or organization on the 'Portail des Arts de la Marionnette' website	^https?:\/\/(?:www\.)?artsdelamarionnette\.eu\/identite\/([a-z]+-[a-z]+(-[a-z]+)*)\/
PAN member	identifier for a member of the Polish Academy of Sciences
PANGO lineage code	identifier of a lineage of the SARS-CoV-2 virus
PARADISEC Catalog	identifier of one of several languages on PARADISEC (the Pacific And Regional Archive for Digital Sources in Endangered Cultures)
PBS Drug Code	unique identifier for a drug listed in the Australian Pharmaceutical Benefits Scheme	^https?:\/\/www\.pbs\.gov\.au\/medicine\/item\/(\d+[a-zA-Z])
PBS Manufacturer ID	unique identifier for a pharmaceutical manufacturer listed in the Australian Pharmaceutical Benefits Scheme	^https?:\/\/(?:www\.)?pbs\.gov\.au\/browse\/manufacturer\/([a-z]{2})
PDB ligand ID	identifier for small molecules and ligands in the Protein Data Bank (PDB)	^https?:\/\/pdbe\.org\/chem\/([A-Z0-9]{1,3}) https://www.rcsb.org/ligand/([A-Z0-9]{1,3}|PRD_[0-9]+)
PDB structure ID	identifier for 3D structural data as per the PDB (Protein Data Bank) database	^https?:\/\/(?:www\.)?rcsb\.org\/structure\/([0-9][0-9A-Za-z]{3})
PIM award ID	identifier of the Petőfi Literary Museum's database of awards and honors in Hungary
PIM publication ID	identifier of the Petőfi Literary Museum's database of books, journals
PIV Online ID	identifier for an entry in the online version of Plena Ilustrita Vortaro de Esperanto	https\:\/\/vortaro\.net\/#([A-PR-VZa-pr-vzĈĜĤĴŜŬĉĝĥĵŝŭ -]+)
PKULaw CLI Code	identifier for a legal material in the PKULaw Chinalawinfo database [with prefix 'CLI']
PM20 film section ID	section of 20th Century Press Archives microfilm(s) about the current item
PMB – Personen der Moderne Basis person ID	numeric identifier for a person in the PMB – Personen der Moderne Basis web service with entities from Vienna around 1900
POSIX locale identifier	identifier for a language per the POSIX standard, as defined in ISO/IEC 9945 and ISO/IEC 15897
PROSITE documentation ID	identifier for a protein family, domain or functional site, in the PROSITE database	^https?:\/\/prosite\.expasy\.org\/(PDOC\d{5})
PRotein Ontology ID	Identifier for an entry in the PRotein Ontology (PRO)	^https?:\/\/proconsortium\.org\/app\/entry\/(PR:\d*)\/ ^https?:\/\/research\.bioinformatics\.udel\.edu\/pro\/entry\/(PR:\d*)
PSS-archi ID	identifier for a building in the PSS-archi database	^https?:\/\/(?:www\.)?pss-archi\.eu\/immeubles\/([A-Z]{2}-\d+-\d+)\.html
Packagist package	identifier of a package on Packagist	^https?:\/\/(?:www\.)?packagist\.org\/packages\/([^\/]+\/[^\/#]+)
Pakistan Railways station code	code to identify a railway station operated by Pakistan Railways
Pakistan Sign Language Dictionary ID	entry in the online Pakistan Sign Language dictionary
Pandektis ID	identifier for an entity in the collections of the Greek website Pandektis	^https?:\/\/pandektis\.ekt\.gr\/pandektis\/handle\/10442\/([1-9]\d*)
Pantone color ID	the Pantone color code for a Pantone color
Papers with Code URL	URL for subject in Papers with Code system
Parks & Gardens UK record ID	identifier for an open space, in the Parks & Gardens UK database	^https?:\/\/(?:www\.)?parksandgardens\.org\/places-and-people\/site\/(\d+) ^https?:\/\/(?:www\.)?parksandgardens\.org\/redirect\/site\/$1
Parliamentary Archives ID in United Kingdom	identifier of this item on the Parliamentary Archives website
Parliamentary Office number in United Kingdom	reference number assigned by the Clerk of the Parliaments to original Acts of Parliament passed in a given Parliamentary session to be kept in the House of Lords Record Office (now the Parliamentary Archives)
Parsons code	identifier for melodic contours of music
Partis d'Arcadie ID	identifier for a political party on 'Les Partis d'Arcadie'
Party Number (Taiwan)	identifier assigned to parties registered in Taiwan by the Ministry of the Interior	^https?:\/\/party\.moi\.gov\.tw\/pgms\/politics\/party!detail\.action\?id=([1-9]\d*)
Pascal et Francis ID	identifier for a scholarly publication in the Pascal and Francis bibliographic databases	^https?:\/\/pascal-francis\.inist\.fr\/vibad\/index\.php\?action=getRecordDetail&idt=(\d+)
PatER ID	identifier of cultural heritage in PatER, a website by Italian region Emilia-Romagna	^https?:\/\/bbcc\.ibc\.regione\.emilia-romagna\.it\/pater\/loadcard\.do\?id_card=([1-9]\d*)
Pathway Ontology ID	identifier in the Pathway Ontology database	^https?:\/\/purl\.bioontology\.org\/ontology\/PW\/(PW:([0-9]{7}))
PatientsLikeMe condition ID	identifier for a condition on PatientsLikeMe, a website where patients can share health information	^https?:\/\/www\.patientslikeme\.com\/conditions\/([\w\-]+)
PatientsLikeMe symptom ID	identifier for a symptom on PatientsLikeMe, a website where patients can share health information	^https?:\/\/(?:www\.)?patientslikeme\.com\/symptoms\/show\/([1-9]\d*)
PatientsLikeMe treatment ID	identifier for a treatment on PatientsLikeMe, a website where patients can share health information	^https?:\/\/(?:www\.)?patientslikeme\.com\/treatments\/show\/([1-9]\d*)
Pennsylvania State Senate ID	identifier for a Pennsylvania State senator
Penza Encyclopedia ID	identifier of an article in the Penza Encyclopedia
Pepys Encylopedia ID	identifier for a person, place, or thing in an annotated index to the online diaries of Samuel Pepys
Periodical ID in a database of the Ministry of Culture of the Czech Republic	periodical's ID in the database of Ministry of Culture of the Czech Republic
PersonalData.IO ID	identifier for an entity in the wiki.personaldata.io database	^https?:\/\/wiki\.personaldata\.io\/wiki\/Item\:(Q[1-9]\d*)
Persée article ID	identifier for an article on Persée
Petit Futé site ID	identifier for a tourist site on the Petit Futé website
PharmGKB ID	unique identifier for an entity in the PharmGKB knowledgebase	^https?:\/\/(?:www\.)?pharmgkb\.org\/accession\/(PA[1-9]\d*)
Philosophica ID	identifier for an entry in the Philosophica online encyclopedia
Physics History Network ID	identifier from the Physics History Network at the American Institute of Physics	^https?:\/\/history\.aip\.org\/phn\/([1-9]\d+)\.html
Pietre della Memoria ID	identifier on the Pietre della Memoria website	^https?:\/\/(?:www\.)?pietredellamemoria\.it\/pietre\/([a-z]+(?:-[0-9a-z]+)*)\/
Pinakes city ID	numeric identifier for a city in the Pinakes database
Pinakes country ID	numeric identifier for a country in the Pinakes database
Pinakes fonds ID	numeric identifier for an archival fonds in the Pinakes database
Pinakes institution ID	numeric identifier for an institution in the Pinakes database
Pipe Organ Database organ ID	identifier for an organ in the Pipe Organ Database
PitchBook profile ID	identifier for a company or individual in the PitchBook database of venture capital and private equity
Planespotters.net aircraft ID	identifier for an aircraft on the Planespotters.net website	^https:\/\/www\.planespotters\.net\/correction\/airframe\/([A-Za-z0-9- ]+)
PlanetMath ID	identifier for entries in PlanetMath, online mathematics reference work	^https?:\/\/planetmath\.org\/([\w\-]+)
Plant Illustrations species ID	identifier for a species on the Plant Illustrations website
Plant Illustrations taxon ID	identifier for a taxon other than species on the Plant Illustrations website
PlantZAfrica Plants of the Week ID	identifier for a southern African plant featured on the PlantZAfrica website
Planète Aventure ID	identifier of a game in the Planète Aventure database	^https?:\/\/(?:www\.)?planete-aventure\.net\/jeux\.php\?num_jeu=([1-9]\d*)
Play:Right class ID	identifier of a class (arcade system) in the Play:Right database	^https?://(?:www\.)?playright\.dk/info/klasse/([a-z\d]+(?:\-[a-z\d]+)*)
Play:Right company ID	identifier of a company in the Play:Right database	^https?:\/\/(?:www\.)?playright\.dk\/info\/firma\/([a-z-]+)
Play:Right series ID	identifier of a video game series in the Play:Right database
PlaymakerStats.com sports executive ID	identifier for a sports executive in the PlaymakerStats.com database
PlaymakerStats.com team ID	identifier for a association football (soccer) team at PlaymakerStats.com (formerly TheFinalBall.com)	^https?:\/\/(?:www\.)?playmakerstats\.com\/equipa\.php\?id=([1-9][0-9]*)
Pleiades category ID	category (former place type) identifier in the Pleiades gazetteer	^https?:\/\/pleiades\.stoa\.org\/vocabularies\/place-types\/([a-z-]+)
PolSys ID	identifier for a person in the PolSys database of Norwegian politicians	^https?:\/\/(?:www\.)?nsd\.no\/polsys\/index\.cfm\?MenuItem=N1_1&ChildItem=&State=collapse&UttakNr=33&person=(\d+) ^https?:\/\/polsys\.sikt\.no\/index\.cfm\?MenuItem=N1_1&ChildItem=&State=collapse&UttakNr=33&person=(\d+)
Polish Nationwide Railway Database - station ID	identifier of railway station in Polish Nationwide Railway Database (www.bazakolejowa.pl)	^https?:\/\/bazakolejowa\.pl\/index\.php\?dzial=stacja&id=(\d+)&okno=start
Politique pappers identifier	identifier for a law on the website Politique Pappers
Polo bibliografico della ricerca title ID	identifier for a title in the Polo bibliografico della Ricerca catalogue
PomBase systematic ID	Identifier for a coding gene in the Schizosaccharomyces pombe model organism database PomBase
Portráidí ID	identifier of a person in the Portráidí website
Portuguese Job Code CPP-2010	Wikidata property for an identifier and Wikidata property for items about occupations in Portugal
Povos Indígenas no Brasil ID	identifier for an indigenous group in the reference work Povos Indígenas no Brasil
PragerU presenter ID	ID for a person on PragerU website
Prague administrative district ID	identifier for a administrative district of Prague, conferred by 'Český úřad zeměměřický a katastrální'	^https?:\/\/linked\.cuzk\.cz\/resource\/ruian\/spravni-obvod\/(\d+)
Prague municipal district ID	identifier for a municipal district of Prague, conferred by 'Český úřad zeměměřický a katastrální'	^https?:\/\/vdp\.cuzk\.cz\/vdp\/ruian\/mestskeobvody\/(\d+)
Prime Pages ID	an ID for some (usually) large prime in Prime Pages
Pro Football Hall of Fame ID	identifier of a person in the Pro Football Hall of Fame	^https?:\/\/(?:www\.)?profootballhof\.com\/players\/([a-z]+(-[a-z]+)*)\/
Pro-Linux.de DBApp ID	identifier for an app in the Pro-Linux.de database	^https?:\/\/(?:www\.)?pro-linux\.de\/cgi-bin\/DBApp\/check\.cgi\?ShowApp\.\.(\d+)\.100
ProQuest document ID	an identifier for microfilmed dissertations and other documents on ProQuest
Programming Language Database ID	identifier for a programming language's unique ID in the Programming Language Database
Projekt Gutenberg-DE author ID	identifier for an author on the website Projekt Gutenberg-DE	^https?:\/\/(?:www\.)?projekt-gutenberg\.org\/autoren\/namen\/([a-z]+)\.html
Proleksis enciklopedija ID	identifier for a topic in Proleksis enciklopedija
ProofWiki ID	identifier for a ProofWiki article	^https?:\/\/proofwiki\.org\/wiki\/(\S{1,100})
Protected Buildings Register in Finland Building ID	Building ID in the Protected Buildings Register maintained by the Finnish Heritage Agency
Proveana ID	identifier for the provenance research database Proveana of the German Lost Art Foundation	^https?:\/\/(?:www\.)?proveana\.de\/de\/link\/((act|arv|col|evt|lit|prm|pro)\d{8})
Pschyrembel Online ID	identifier for an article in Pschyrembel Online
PubAg ID	identifier in the PubAg database	^https?:\/\/pubag\.nal\.usda\.gov\/catalog\/([1-9]\d{1,6})
PubCRIS product number	unique identifier assigned to a chemical product registered for use in Australia for agricultural or veterinary purpose
PubChem BioAssay ID (AID)	central identifier in PubChem, used as accession number for biological and biochemical assays	^https?:\/\/pubchem\.ncbi\.nlm\.nih\.gov\/bioassay\/(\d+)
PubChem CID	identifier from database of chemical molecules and their activities in biological assays (Compound ID number)	https?:\/\/pubchem\.ncbi\.nlm\.nih\.gov(?:\/rest\/pug_view\/data)?\/compound\/([1-9]\d{0,8})
PubChem Substance ID (SID)	substance (e.g. mixtures, undefined stereochemistry, ...) identifier in the PubChem database	^https?:\/\/pubchem\.ncbi\.nlm\.nih\.gov\/substance\/([1-9]\d*)
PubMed Health	identifier for a physiological condition, in the PubMed Health website	^https?:\/\/(?:www\.)?ncbi\.nlm\.nih\.gov\/pubmedhealth\/(PMH\d{7})
Pubs Galore ID	external identifier for pubs in the United Kingdom	^https?:\/\/(?:www\.)?pubsgalore\.co\.uk\/pubs\/(\d{0,5})
Punjab EMIS code	identifier for a school (usually government-affiliated) in the province of Punjab in Pakistan	^https?:\/\/schoolportal\.punjab\.gov\.pk\/sed_census\/list_of_emis_detail\.aspx\?emiscode=(\d{8})
Punjabipedia ID	identifier for a topic in the Punjabipedia encyclopedia
Q-Codes ID	Q-Codes ID is for indexing Family medicine related docs; with the ICPC 2, both form the Core Content Classification in General Practice/ Family Medicine (3CGP)	^https?:\/\/(?:www\.)?hetop\.eu\/hetop\/Q\/fr\/\?q=(Q[CDEHPRST][1-9]\d+)
QEdu ID	identifier for a Brazilian educational institution, in the QEdu database	^https?:\/\/(?:www\.)?qedu\.org\.br\/escola\/([1-9]\d*)
QUDT unit ID	identifier for unit of measure definition according to QUDT ontology	^https?:\/\/qudt\.org\/vocab\/unit\/([A-Za-z_][A-Za-z0-9_-]*)
Quadrinhopédia artist ID	identifier for an article on the online biographical reference work about Brazilian comics artists
Qualigeo ID	identifier for a food product on the online database Qualigeo (qualigeo.eu)	https?:\/\/(www\.)?(?:qualivita\.it|qualigeo\.eu)\/prodotto-qualigeo\/([a-z0-9]+(?:-[a-z0-9]+)*)
Quora topic ID (Spanish)	identifier for a topic on Quora (Spanish language version)
Qué series ver series ID	Qué series ver identification number of a creative work	^https?:\/\/queseriesver\.es\/serie\/([a-z-]+)\/?$
RAG ID	identifier for a person in the Repertorium Academicum Germanicum (RAG)
RAWG tag ID	identifier of a tag in the RAWG database	^https?:\/\/rawg\.io\/u?tags\/([a-z\d]+(?:\-[a-z\d]+)*) ^https?:\/\/ag\.ru\/u?tags\/([a-z\d]+(?:\-[a-z\d]+)*)
RBMS Controlled Vocabulary ID	identifier for a term in the Controlled Vocabulary for Rare Materials Cataloging
RCS number	identifier in the trade register of Luxembourg
RDA value vocabularies ID	ID for a term in the RDA value vocabularies
RDWB1 lemma ID	identifier for this lexeme in the Wörterbuch der russisch-deutschen Übersetzungsschwierigkeiten (German-Russian part) at woerterbuchnetz.de
REDIZO	identificator of school organization in Czech Republic	^https?:\/\/portal\.csicr\.cz\/School\/([1-9]\d{8})
RGALI ID	identifier for the Russian State Archive of Literature and Art (RGALI)	^https?:\/\/rgali\.ru\/obj\/([1-9]\d{0,7})\?lc=(en|ru)
RKDlibrary ID	record for a publication held by the RKD-Netherlands Institute for Art History in the Hague	^https?:\/\/rkd\.nl\/explore\/library\/([1-9]\d*)
RNACentral ID	ID in the RNA central database
ROARMAP ID	identifier in the Registry of Open Access Repository Mandates and Policies
ROME Occupation Code	ROME Code for a given occupation in France (V3, 1 letter, 4 digits)	^https?:\/\/recrutement\.pole-emploi\.fr\/fichesrome\/ficherome\?codeRome=([A-N]([1-4][1-9]([0-2]\d)?)?|\d{5,6})&domaine=Candidat
ROSSIO ID	identifier for an entity in the ROSSIO Infrastructure Vocabularies (places, agents, periods or thesaurus)
RPGGeek ID	ID for a tabletop role-playing games, designer or publisher or a family of TTRPG at RPGGeek	^https:\/\/rpggeek\.com\/(rpg(?:item|family|publisher)\/\d+) ^https:\/\/rpggeek\.com\/(rpgdesigner\/\d+)
Radio Equipment List Certification Number	unique identifier of an electronic device certification registered with Innovation, Science and Economic Development Canada
Railways Archive event ID	Event ID in the Railways Archive database	^https?:\/\/(?:www\.)?railwaysarchive\.co\.uk\/eventsummary\.php\?eventID=(\d{1,5})
Rate Your Music film genre ID	identifier for a film genre on Rate Your Music	^https?:\/\/(?:www\.)?rateyourmusic\.com\/film_genre\/([A-Za-zéóōüß\d'.+-]+)
Rate Your Music release ID	identifier for a music release on Rate Your Music site	^https?:\/\/rateyourmusic\.com\/release\/((?:single|album|comp|ep)\/[^\/]+\/[^\/]+)\/
RationalWiki ID	identifier for an item at RationalWiki	^https?:\/\/rationalwiki\.org\/wiki\/([^\s]{1,400})
RePEc EconPapers ID	identifier for a scholarly article in the RePEc (Research Papers in Economics) database
Reactome ID	Identifier used in Reactome to uniquely identify a biological pathway
Red Cross FDRS ID	entry in the Federation-wide Databank and Reporting System (FDRS) of the International Federation of Red Cross and Red Crescent Societies (IFRC)	^https?:\/\/data\.ifrc\.org\/(?:[a-z]{2}\/)?fdrs\/societies\/([a-z]+(?:-[a-z]+)*)
Reddit topic ID	identifier of a topic on Reddit	^https?:\/\/(?:beta\.|m\.|www\.)?reddit\.com\/t\/(\w+)
RefSeq	qualifier to specify Reference Sequence identifier for the Protein and RNA (either p637 or p639)
Relations Ontology ID	ID in the Relations Ontology	^https?:\/\/purl\.obolibrary\.org\/obo\/((RO|BFO)_[0-9]{7})
Remontees-mecaniques.net ID	numerical identifier for a cableway on the French website Remontees-mecaniques.net
Repology project name	package name and identifier in Repology
Repositório da Produção da USP person ID	unique identifier of person registered in the institutional repository of intellectual production at the University of São Paulo	^https?:\/\/repositorio\.usp\.br\/result\.php\?codpes=([0-9]\d*)
Reptiles of India ID	identifier for reptiles found in India, in the 'Reptiles of India' database	^https?:\/\/(?:www\.)?indianreptiles\.org\/#!\/sp\/([0-9]+)
Republic of Korea Parliamentarian Society ID	ID for individuals indexed by the Republic of Korea Parliamentarian Society	^https?:\/\/rokps\.or\.kr\/profile\/profile_view\.asp\?idx=([1-9]\d*)
Research Resource Identifier	identifier by SciCrunch	^https?:\/\/scicrunch\.org\/resolver\/(RRID:(?:CVCL_[0-9A-Z]{4}|SCR_\d{6}))
ResearchGate publication ID	identifier of a publication in ResearchGate	^https?:\/\/www\.researchgate\.net\/publication\/([1-9]\d*)(?:_[\w\-\_]+)?
Resident Advisor artist ID	identifier for artists at the Resident Advisor website	^https?:\/\/ra\.co\/dj\/([\w\-]+)
Reta Vortaro ID	entry of an Esperanto lexeme in Reta Vortaro	https?:\/\/www\.reta-vortaro\.de\/revo\/art\/([a-z]+[0-9]*)\.html
Retrosheet person ID	identifier for a Major League Baseball player, coach, manager or umpire in retrosheet.org	^https?:\/\/(?:www\.)?retrosheet\.org\/boxesetc\/(?:M\/)?P([a-z\-]{5}\d{3})\.htm
Revised Mandarin Chinese Dictionary ID	identifier for an entry in the online version of the dictionary published by Taiwan's Ministry of Education	^https?:\/\/dict\.revised\.moe\.edu\.tw\/dictView.jsp\?ID=([1-9][0-9]+)
Rfam ID	identifier in the database of non-coding RNA (ncRNA) families and other structured RNA elements	^https?:\/\/rfam\.xfam\.org\/family\/(RF\d{5})
Riigikogu ID	identifier for a member of the Estonian Parliament	^https?:\/\/(?:www\.)?riigikogu\.ee\/riigikogu\/koosseis\/riigikogu-liikmed\/saadik\/([0-9a-f]{8}-([0-9a-f]{4}-){3}[0-9a-f]{12})
Rivals.com ID	Rivals.com ID for Football and Basketball Prospects
Rock's Backpages artist ID	identifier for a music artist, featured in the Rock's Backpages archive	^https?:\/\/(?:www\.)?rocksbackpages\.com\/Library\/Artist\/([1-9a-z]+(\-[\-0-9a-z()]+)*)
Rock's Backpages author ID	identifier for a music journalist whose works are featured in the Rock's Backpages archive	^https?:\/\/(?:www\.)?rocksbackpages\.com\/Library\/Writer\/((\-{0,1}[\-a-z()]+)+)
Rock's Backpages publication ID	identifier for a newspaper or magazine, articles from which are featured in the Rock's Backpages archive	^https?:\/\/(?:www\.)?rocksbackpages\.com\/Library\/Publication\/([a-z]+(\-[\-a-z()]+)*)
Rockipedia artist ID	identifier of an artist biography or a band article in the online service Rockipedia
RogerEbert.com film ID	identifier for a film in the website RogerEbert.com
Roglo person ID	identifier for a person on the Roglo genealogical database	^https?:\/\/roglo\.eu\/roglo\?(p=[^;]+;n=[^;]+)
Roku Channel Store ID	identifier for a channel in the Roku Channel Store	^https?:\/\/channelstore\.roku\.com\/(?:[a-z]{2}-[a-z]{2}\/)?details\/([0-9a-f]{32})
Rollerstory skater ID	inline speed skater-database
Rom Galil settlement ID	ID of a settlement in the Galilee settlement database, Rom Galil	^https?:\/\/(?:www\.)?romgalil\.org\.il\/cds\/(\d+)\/
RomArchive person ID	identifier for a person or organization on RomArchive
Rombase ID (English)	identifier for an English-language article in the Rombase encyclopedia	^https?:\/\/rombase\.uni-graz\.at\/cgi-bin\/artframe\.pl\?src=data\/([a-z\/\-]+)\.en\.xml
Rosetta Code page ID	identifier for a page on rosettacode.org	^https?:\/\/rosettacode\.org\/wiki\/([^\s]+)
Rotterdam City Archives actor ID	persons and organisations in the database of the media archive of the city of Rotterdam
Routard.com place ID	identifier for a place on the Guide du routard website	^https?:\/\/(?:www\.)?routard\.com\/guide_voyage_lieu\/(\d+)-wd\.htm
Royal Aero Club Aviator's Certificate ID	identifier
Rugby League Project ID (general)	a general identifier for items other than players in the Rugby League Project database	^https?:\/\/(?:www\.)?rugbyleagueproject\.org\/([a-z]+\/(\w|-)+(\/(\w|-)+)?(\/summary)?)\.html
Russia.travel object ID	identifier for an object at the russia.travel website
Russian Vikidia ID	ID of the article in Russian Vikidia	^https?:\/\/ru\.vikidia\.org\/wiki\/(\S{1,400})
Russian organisation number	identifier in the Uniform State Register of Legal Entities (USRLE) of the Russian Federation
RxNorm ID	identifier for the normalized clinical drug dictionary of the Unified Medical Language System	^https?:\/\/mor\.nlm\.nih\.gov\/RxNav\/search\?searchBy=RXCUI&searchTerm=(\d{1,7})
Römpp online ID	identifier for an article in the online version of Römpp	^https?:\/\/roempp\.thieme\.de\/lexicon\/(RD-\d\d-\d{5})
SABRE page ID	identifier for a page on the SABRE wiki (Society for All British and Irish Road Enthusiasts)	^https?:\/\/(?:www\.)?sabre-roads\.org\.uk\/wiki\/index\.php\?title\=(.*)
SACEM Museum artist ID	identifier for an artist on the SACEM Museum website
SAN archive producer ID	identifier for archive producers in the Italian national archive system	^https?:\/\/(?:www\.)?san\.beniculturali\.it\/web\/san\/dettaglio-soggetto-produttore\?id=(\d+)
SAPA ID	identifier used by the SAPA Foundation, Swiss Archive of the Performing Arts	(?:^|resource\/\?uri=)http:\/\/data\.performing-arts\.ch\/[aocwpr]\/([0-9a-f]{8}-[0-9a-f]{4}-[0-5][0-9a-f]{3}-[089ab][0-9a-f]{3}-[0-9a-f]{12})$
SESAC work number	registration identifier for a composition at SESAC Repertory
SLNSW unpublished item ID	Wikidata property for an identifier and numeric identifier in Australia	^https?:\/\/archival\.sl\.nsw\.gov\.au\/Details\/archive\/([1-9]\d{0,8})
SMHI drainage basin ID	ID of drainage basin according to the Swedish Meteorological and Hydrological Institute	^https?:\/\/opendata-download-hydrography\.smhi\.se\/api\/version\/latest\/spec\/inspire-hyp\/basin\/([1-9]\d{3,5})\.json
SNOMED CT ID	identifier in the SNOMED CT catalogue codes for diseases, symptoms and procedures	^https?:\/\/snomed\.info\/id\/([0-9]*) ^https:\/\/browser\.ihtsdotools\.org\/\?perspective=full&conceptId1=([0-9]+) https?:\/\/www\.diseasesdatabase\.com\/snomed\/snomed_home\.aspx\?id=(\d+)
SNS Info Saúde	identifier for a health condition in the SNS Info Saúde database
SPIE profile ID	ID of a profile in SPIE and SPIE Digital Library
SPLASH	hashed identifier for mass spectra	^https?:\/\/osdb\.info\/spectra\/search\/(splash[0-9]{2}-[a-z0-9]{4}-[0-9]{10}-[a-z0-9]{20}) ^https?:\/\/mona\.fiehnlab\.ucdavis\.edu\/spectra\/browse\?query=splash\.splash%3D%3D%22(splash[0-9]{2}-[a-z0-9]{4}-[0-9]{10}-[a-z0-9]{20})%22&text=&size=10
SPV profile ID	ID sportspeople on NPC of Slovakia website
SR Number	unique number of each law in the Systematic Compilation of Federal Legislation of Switzerland	^https?:\/\/(?:www\.)?admin\.ch\/opc\/search\/\?text=(\d{1,3}(\.\d{1,3}){0,2})&lang=de&facet=&product%5B%5D=cc&language%5B%5D=de&productAll=all&date_range_min=&date_range_max=&d_compilation=both&d_is_in_force=both
SR-Archiv band ID	identifier of a band in the SR-Archiv database
Saccharomyces Genome Database ID	identifier for a genetic element in the Saccharomyces Genome Database	^https?:\/\/(?:www\.)?yeastgenome\.org\/locus\/(S\d{9})\/overview
Sailboatdata ID	identifier for a sailboat design on sailboatdata.com	^https?:\/\/sailboatdata\.com\/(/(designer|builder|sailboat)\/[a-z0-9_-]*/gm)
Salzburgwiki ID	numeric identifier of a page in the Austrian regional wiki Salzburgwiki	^https?:\/\/(?:www\.)?sn\.at\/wiki\/index\.php\?curid=([1-9]\d{3,5})
Sarvavijnanakosam ID	identifier for a topic in the Sarvavijnanakosam Malayalam language encyclopedia
Scandinavian Runic-text Database ID	database about runic inscriptions (including runestones), mainly in Sweden, but stones in all of Europe, Greenland and U.S. can be found here
Scottish Built Ships ID	identifier of a ship in the Scottish Built Ships database	^https?:\/\/(?:www\.)?clydeships\.co\.uk\/view\.php\?ref\=([1-9]\d*)
Scottish Register of Tartans ID	identifier on the Scottish Register of Tartans , a repository of tartans	^https:\/\/www\.tartanregister\.gov\.uk\/tartanDetails\?ref=(\d+)
Scribd publication ID	external identifier for a publication in the Scribd library	^https?:\/\/www\.scribd\.com\/publication\/([1-9]\d*)
Sculptures and cities database ID for sculptures	identifier for sculptures in the Sculptures and cities database
ScummVM wiki ID	identifier for article in the ScummVM wiki	^https?:\/\/wiki\.scummvm\.org\/index\.php\?title=([\wèé\-\?\:\.\'\/\,\&\!]+)
Sega Retro ID	identifier in the Sega Retro wiki	^https?\:\/\/segaretro\.org\/([^\s\/]+)
Sega8bit.com ID	identifier in the Sega8bit.com database of Master System video games	^https?:\/\/(?:www\.)?smstributes\.co\.uk\/getinfo\.asp\?gameid=([1-9]\d*)
Sekolah Kita ID	identifier for a school in Indonesia (early childhood education, primary education, and secondary education)
Service d'Information sur les Etudes et les Professions Job ID	job entry in official website Service d'Information sur les Etudes et les Professions
Shamela book edition ID	an ID for an edition literally work in Shamela digital library	^https?:\/\/(?:www\.)?shamela\.ws\/book\/([1-9]\d*)
Shipbucket ID	identifier for drawings of ships, vehicles, aircraft and equipment	^https?:\/\/shipbucket\.com\/((drawings|vehicles)\/([1-9]+))$
Similarweb ranking	the website's Similarweb global ranking
Sindh EMIS code	identifier for a school (usually government-affiliated) in the province of Sindh	^https?:\/\/(?:www\.)?rsu-sindh\.gov\.pk\/search\/searchSchool\.php\?semis=(\d{9})
Singers.com ID	identifier for a musician, vocal music genre or style, or musical work on Singers.com	^https?:\/\/(?:www\.)?singers\.com\/((arrangers\/|choral\/director\/|composers\/|group\/|groups\/|musicals\/|performers\/|songs\/|vocal-coach\/)*[A-Za-z0-9]+(?:(?:\-|\+)[A-Za-z0-9]+)*)
Sjukvårdsrådgivningen Category ID	identifier for a disease or medical condition, in the Swedish government's 'Sjukvårdsrådgivningen' database
Sjøhistorie ship ID	identifier for a ship in Sjøhistorie database
Skimap area ID	Record page on www.Skimap.org for ski resort, with current and historical official published maps of lifts and ski-runs	^https?:\/\/skimap\.org\/SkiAreas\/view\/([1-9]\d*)
Skiresort.info ID	Record on skiresort.info for any specific ski resort	^https?:\/\/(?:www\.)?skiresort\.info\/ski-resort\/([\w-]+)
Slack organization ID	unique portion of the group or organization URL on Slack	^https?:\/\/(?!join\.)([-a-z0-9]+)\.slack\.com ^https?:\/\/join\.slack\.com\/t\/([-a-z0-9]+)
Slovak Theatre Virtual Database ID	identifier for entries in the Slovak Theatre Virtual Database
Small Monuments of Plzeň Catalogue ID	identifier for small monuments in Pilsen, Czech Republic	^https?:\/\/krizkyavetrelci\.plzne\.cz\/katalog\/polozka\/([0-9]+)
Smarthistory ID	identifier for an artwork, an art movement or period on the Smarthistory website	^https?:\/\/smarthistory\.org\/([a-z0-9]+(-[a-z0-9]+)*)\/
Smithsonian ARK ID	ARK identifier for items at the Smithsonian Institution down to the digital asset level	^https?:\/\/n2t\.net\/ark:\/65665\/([a-z]{2}[a-f0-9]{9}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12})
Smithsonian resource ID	identifier for a resource held by the Smithsonian Institution	^https?:\/\/(?:www\.)?si\.edu\/object\/([A-Za-z_]+_[A-Za-z\d.-]+)
Snooker.org tournament ID	ID about a specific snooker tournament at the Snooker.org database	^https?:\/\/(?:www\.)?snooker\.org\/res\/index\.asp\?event=([1-9]\d*)
Soccerbase team ID	identifier for a association football (soccer) team in the Soccerbase database	^https?:\/\/(?:www\.)?soccerbase\.com\/teams\/team\.sd\?team_id=([1-9]\d{0,6})
Soccerdonna team ID	identifier for a association football (soccer) team in the Soccerdonna database	^https?:\/\/(?:www\.)?soccerdonna\.de\/de\/-\/startseite\/verein_([1-9]\d{0,6})\.html
Soccerway venue ID	identifier for an association football (soccer) venue in the Soccerway database	^https?:\/\/int\.soccerway\.com\/venues\/wd\/wd\/([1-9]\d*)\/
Software Hash ID	persistent identifier of a software source code artifact as archived in the Software Heritage Archive	^https?:\/\/archive\.softwareheritage\.org\/(swh:1:(cnt|dir|rel|rev|snp):[0-9a-f]{40}(;(origin|visit|anchor|path|lines)=\S+)*)
Songfacts song ID	identifier for a song on the Songfacts website	^https?:\/\/www\.songfacts\.com\/facts\/([a-z\d][a-z\d-]+[a-z\d]+\/[a-z\d][a-z\d-]+[a-z\d]+|\d+)
Sonic Retro article ID	identifier for an article on the Sonic Retro	^https?:\/\/info\.sonicretro\.org\/([^#<>\[\]{}|]+)
South African municipality code	identifier for a municipality in South Africa
South Carolina Encyclopedia ID	identifier for an entry on the South Carolina Encyclopedia website
Spanish Vikidia ID	name of the article in Spanish Vikidia	^https?:\/\/es\.vikidia\.org\/wiki\/(\S{1,400})
SpectraBase compound ID	identifier of a compound in spectrabase.com, a database with spectra	^https?:\/\/spectrabase\.com\/compound\/([a-zA-Z0-9]{10,11})
Sport24.ru team ID	identifier for a sports team on the Sport24.ru website
SportSport.ba club ID	property for various sportclubs on sportsport.ba website
SportSport.ba news ID	ID for a sports club on sportsport.ba website
SportsLogos.net team ID	identifier for a sports organization on the website Sports Logos	^https?:\/\/www\.sportslogos\.net\/logos\/list_by_team\/(\d+)
Sri Granth word ID	property for Punjabi words in Gurmukhi script retrieved from Guru Granth Sahib maintained by Sri Granth, or English words with Gurmukhi glosses	^https?:\/\/(?:www\.)?srigranth\.org\/servlet\/gurbani\.dictionary\?Param=([\u0A00-\u0A7F]+)
Stack Exchange tag	tag on the Stack Exchange websites	^https?\:\/\/([A-Za-z0-9](?:[A-Za-z0-9\-]{0,61}[A-Za-z0-9])?)\.stackexchange\.com\/(?:questions\/tagged|tags)\/([A-Za-z0-9]+) ^https?:\/\/stackoverflow\.com\/(?:questions\/tagged|tags)\/([A-Za-z0-9]+)
StadiumDB ID	identifier for a stadium on StadiumDB.com	^https?:\/\/stadiumdb\.com\/stadiums\/([a-z]{3}\/[a-z0-9][_a-z0-9]{1,100})
Stage username	account from a German authority on the German social media platform Stage	^https:\/\/stage\.bio\/([\w\-]+)
Stanford Encyclopedia of Philosophy ID	identifier of a topic in the online Stanford Encyclopedia of Philosophy	^https?:\/\/plato\.stanford\.edu\/entries\/([0-9A-Za-z\-]+)\/
State Catalogue of the Museum Fund of Russia museum ID	Wikidata property for an identifier and numeric identifier in Russia	^https?:\/\/goskatalog\.ru\/portal\/#\/museums\?id=([1-9]\d*)
State Water Register Code (Russia)	identifier of a body of water in Russia	^https?:\/\/verum\.wiki\/index\.php\?q=(\d{23})
Statistics Indonesia language code	language code in Indonesia issued by Statistics Indonesia (Badan Pusat Statistik)
Steam bundle ID	identification number for bundles on the Steam platform	^https:\/\/store\.steampowered\.com\/((?:bundle|sub)\/[1-9]\d{0,5})
Stichting Erfgoed Nederlandse Biercultuur brewery ID	identifier for a brewery in the database of Stichting Erfgoed Nederlandse Biercultuur
Store medisinske leksikon ID	identifier of an article in the online encyclopedia sml.snl.no	^https:\/\/sml\.snl\.no\/([^\s?\/&]+)
Store norske leksikon ID	identifier of an article in the online encyclopedia snl.no	^https:\/\/snl\.no\/(.+)
Storiaememoriadibologna.it ID	identifier of the website Storiaememoriadibologna about the most important locations, events and persons of the history of Bologna, especially focused on the Certosa monumental cemetery of Bologna	^https?:\/\/(?:www\.)?storiaememoriadibologna\.it\/((?:[a-z\d]+-+)*[1-9]\d*-(?:evento|luogo|opera|organizzazione|persona))
Storting person ID	identifier for a Norwegian parliamentarian in the official Storting database
Strong's number	number to identify Ancient Greek and Hebrew lexical items attested in the Bible
Supreme Court of Canada case number	identifier for a case in the Supreme Court of Canada
Survey of Scottish Witchcraft - Case ID	identifier for cases in the Survey of Scottish Witchcraft database
Survey of Scottish Witchcraft - Trial ID	іdentifier for trials in the Survey of Scottish Witchcraft database	^https?:\/\/witches\.shca\.ed\.ac\.uk\/index\.cfm\?fuseaction=home\.trialrecord&search_string&trialref=([A-Z]\/[A-Z]{3}\/\d+)
Svenska Akademiens Ordbok unique ID	unique identifier of the lexeme in Svenska Akademiens Ordbok (SAOB)
Svenska Akademins Ordbok-ID (seek)	identifier for a lexeme in SAOB
Swedish Anbytarforum	Anbytarforum is a discussion group to ask advanced genealogy questions regarding Swedish parishes and people in the parish, help reading
Swedish Food Agency food ID	identifier in the Swedish National Food Agency's food database
Swedish Glaciers ID	identifier for glaciers in Sweden
Swedish Literature Bank edition	identifier for an book in the Swedish Literature Bank	^https?:\/\/litteraturbanken\.se\/forfattare\/([a-zA-ZåäöÅÄÖ]+\/titlar\/[0-9a-zA-ZåäöÅÄÖ]+)
Swedish National Archive reference code	reference code for an archive for a person/organisation/event etc. stored at the National Archive of Sweden	^https?:\/\/sok\.riksarkivet\.se\/\?postid=ArkisRef%20(SE\/[a-zA-Z0-9]*(\/[0-9]*)*)
Swedish National Library Arken ID	identifier of an entry in the Arken website maintained by the National Library of Sweden
Swedish Riksdag document ID	identifier for documents produced in the Riksdag, the national legislature and the supreme decision-making body of Sweden	^https:\/\/www.riksdagen.se\/sv\/dokument-och-lagar\/dokument\/[a-z-/|0-9]+_([cdefgh][a-z0-9ö]{4,16})\/html\/$
Swedish Royal Theater Archive	a database of roles, persons and plays performed at the Swedish Royal theater Royal Dramatic Theatre	^https?:\/\/(?:www\.)?dramaten\.se\/Medverkande\/Rollboken\/((Person|Play)\/\d*)
Swedish School Registry ID	identifier used by Statistics Sweden to identify school units	^https?:\/\/api\.scb\.se\/UF0109\/v2\/skolenhetsregister\/sv\/skolenhet\/(\d{8}(\/(19|20)\d{6})?)
Swedish place name register SOFI	this is a register of names found over time for old places in a parish that is managed by the Swedish Institute for Language and Folklore - SOFI
Swetrails POI-ID	identifier for POIs on the hiking website Swetrails
Swimrankings.net meet ID	property for swimmeets from swimrankings.net
Syoboi Calendar series ID	identifier for a group of television programs on Syoboi Calendar
System16 ID	identifier in the System16 database of arcade game systems	^https?:\/\/(?:www\.)?system16\.com\/hardware\.php\?id=([1-9]\d*)
São Paulo: os estrangeiros e a construção da cidade ID	unique identifier for an artwork in the database "São Paulo: os estrangeiros e a construção da cidade"
Süddeutsche Zeitung topic ID	identifier for a topic at the Süddeutsche Zeitung newspaper website
TASS Encyclopedia tag ID	identifier of a tag in the TASS Encyclopedia	^https?:\/\/tass\.ru\/encyclopedia\/tags\/((?:[А-Я]|[1-9])\/(?:[a-z\d]+(?:\-[a-z\d]+)*))
TCLF ID	identifier for a person or an historic site on the Cultural Landscape Foundation website
TDD number	TDD number (textphone/teletype for deaf people) in standard format (RFC3966), without 'tel:' prefix
TDKIV term ID	identifier for a term used by the Czech Terminology Database of Library and Information Science (TDKIV) produced by the National Library of the Czech Republic	^https?:\/\/aleph\.nkp\.cz\/F\/\?func=direct&doc_number=(\d{9})&local_base=KTD
TDV İslam Ansiklopedisi ID	identifier for the Islamic Encyclopedia created by the Turkish religion authority Diyanet	^https?:\/\/islamansiklopedisi\.org\.tr\/([0-9a-z/-]+)
TLFi ID	identifier for a lexeme on the Trésor de la langue française informatisé	^https?:\/\/(?:www\.)?cnrtl\.fr\/definition\/([a-zàâäçéèêëîïôöùûüÿ-]+(\/[0-9]+)?)
TNHR&CE temple ID	identifier for temples, mutts, charitable endowments and specific endowments supervising by TNHR&CE
TOP500 System ID	unique identifier of a supercomputer in the TOP500 performance list	^https?:\/\/(?:www\.)?top500\.org\/system\/(\d+)
TSE number	number assigned by the Brazilian Superior Electoral Court to registered political parties
TUESPWiki ID	identifier for an subject in the The Unofficial Elder Scrolls Pages	^https?:\/\/en\.uesp\.net\/wiki\/((?!\/)[^\s\%]+) ^https?:\/\/(fr|it|pt|ar)\.uesp\.net\/wiki\/((?!\/)[^\s\%]+)
Tacoma Local History & Biography Index ID	identifier for an entry in the Tacoma Public Library's Local History & Biography Index	^https?:\/\/cdm17061\.contentdm\.oclc\.org\/digital\/collection\/p17061coll12\/id\/([1-9]\d*)
Tacoma-Pierce County Buildings Index ID	identifier for an entry in the Tacoma Public Library's Tacoma-Pierce County Buildings Index
Tainacan MAI ID	identifier for items in the collection of the Museu Arqueologia de Itaipu, Rio de Janeiro	^https?:\/\/museuitaipu\.tainacan\.org\/museu-itaipu\/(\w+(-|\w)+)
Taiwan Biographical Database ID	ID for a person in The Taiwan Biographical Database by National Taiwan Normal University
Taiwan Cinema film ID	identifier for a film on Taiwan Cinema	^https?:\/\/taiwancinema\.bamid\.gov\.tw\/Film\/FilmContent\/\?ContentUrl=(\d+)
TapTap application ID	identifier for an application available from the tap distribution platform	^https?:\/\/www\.taptap\.com\/app\/([1-9]\d*)
TasteAtlas ID	identifier for an item at TasteAtlas	^https?:\/\/(?:www\.)?tasteatlas\.com/([a-zA-Z\-]+\d?)
Teams.by team ID	identifier for a association football (soccer) team in the teams.by database	^https?:\/\/(?:www\.)?teams\.by\/club-([1-9]\d{0,6})\/
Techopedia ID	identifier for an entry in the techopedia.com technology dictionary	^https?:\/\/(?:www\.)?techopedia\.com\/definition\/([0-9]+(\/[a-z0-9-]+)?)
Tekściory artist ID	identifier for an artist on Tekściory site
Tennessee Encyclopedia ID	identifier for a subject on the Tennessee Encyclopedia website
TermCymru ID	identifier for Welsh names/terms database entry	^https?:\/\/(?:www\.)?gov\.wales\/bydtermcymru\/search\/term\/(\d+)
Ternopil Encyclopedia ID	identifier for an entry on the website of the Online Encyclopedia about Ternopil oblast	^https?:\/\/ternopedia\.te\.ua\/index\.php\?curid=([1-9]\d{1,6})
The Arabidopsis Information Resource Accession	Identifier for an object (e.g. clone, gene, genetic marker, sequence, etc.) in TAIR
The Armory Show at 100 ID	identifier for an artwork on the Armory Show at 100 website	^https?:\/\/armory\.nyhistory\.org\/([a-z0-9]+(-[a-z0-9]+)*)\/
The Concise Oxford Dictionary of World Religions ID	identifier for a subject page in The Concise Oxford Dictionary of World Religions	^https:\/\/www\.oxfordreference\.com\/display\/10.1093\/acref\/9780192800947\.001\.0001\/acref-9780192800947-e-(\d+)
The Counted person ID	identifier for a person in The Counted database created by The Guardian
The Digital Local Culture Encyclopedia of Korea ID	ID of a topic in The Digital Local Culture Encyclopedia of Korea
The Encyclopedia of Fantasy ID	identifier for an entry on the Encyclopedia of Fantasy website	^https?:\/\/sf\-encyclopedia\.com\/fe\/([a-z0-9_-]+)
The Encyclopedia of Oklahoma History and Culture ID	identifier for an entry on the Encyclopedia of Oklahoma History and Culture website
The First Amendment Encyclopedia ID	identifier for an article in the The First Amendment Encyclopedia
The Islamic World: Past and Present ID	identifier for a subject page in The Islamic World: Past and Present
The Israeli Opera person ID (heb)	identifier for a person on The Israeli Opera website
The Met object ID	object identifier for artworks at the Metropolitan Museum of Art	^https?:\/\/(?:www\.)?metmuseum\.org\/art\/collection\/search\/([1-9][0-9]{0,8})
The New Fund for Cinema and Television (Israel) ID	ID for movies backed by the New Fund for Cinema and Television (Israel)	^https?:\/\/nfct\.org\.il\/\?p=([1-9]\d*)
The Oregon Encyclopedia ID	identifier for an entry on the Oregon Encyclopedia website
The Oxford Dictionary of Islam ID	identifier for a subject page in The Oxford Dictionary of Islam
The Oxford Encyclopedia of Islam and Women ID	identifier for a subject page in The Oxford Encyclopedia of Islam and Women
The Oxford Encyclopedia of the Islamic World ID	identifier for a subject page in The Oxford Encyclopedia of the Islamic World: Digital Collection	^https:\/\/www\.oxfordreference\.com\/display\/10.1093\/acref\/9780195305135\.001\.0001\/acref-9780195305135-e-(\d+)
The Oxford Essential Dictionary of Foreign Terms in English ID	identifier for a subject page in The Oxford Essential Dictionary of Foreign Terms in English
The Sierra Chest ID	identifier in The Sierra Chest database	^https?:\/\/(?:www\.)?sierrachest\.com\/index\.php\?a=g(?:ames)?&id=([1-9]\d{0,3})
The Top Tens ID	item's ID on The Top Tens website	^https?:\/\/(?:www\.)?thetoptens\.com\/h\/#i\/([1-9][0-9]*)
The Video Games Museum system ID	identifier of a video game system in the Video Games Museum database	^https?:\/\/(?:www\.)?(?:musee-des-jeux-video|video-games-museum)\.com\/\w{2}\/sys\/([1-9]\d*)
The Wind Power farm ID	identifier for a wind farm on The Wind Power website	^https?:\/\/(?:www\.)?thewindpower\.net\/windfarm_en_(\d+)\.php
TheCocktailDB drink ID	identifier of a drink in thecocktaildb.com database	^https?:\/\/www\.thecocktaildb\.com\/drink(?:\.php\?c=|\/)(\d+)
TheCocktailDB ingredient ID	identifier of an ingredient in thecocktaildb.com database	^https?:\/\/www\.thecocktaildb\.com\/ingredient(?:\/|\.php\?c=)(\d+)
TheFreeDictionary medical term ID	identifier for a term in the medical-dictionary of TheFreeDictionary by Farlex Inc.
TheGuardian.com profile ID	ID of contributor profile on TheGuardian.com
Theaterlexikon der Schweiz ID	identifier in the online edition of the Theater Dictionary of	^https?:\/\/tls\.theaterwissenschaft\.ch\/wiki\/([\S_]+)
Theatrical Index company ID	identifier for a theatrical production company or other business listed in Theatrical Index	https:\/\/www\.theatricalindex\.com\/company\/view\/id\/(\d+)
Theatrical Index theatre ID	identifier for a theatre listed in Theatrical Index	https:\/\/www\.theatricalindex\.com\/theatre\/view\/id\/(\d+)
Theatricalia theatre ID	identifier for a theatre in the theatricalia.com database	^https?:\/\/theatricalia\.com\/place\/([0-9a-z]{1,3})
Thesaurus Linguae Aegyptiae lemma ID	identifier for a lemma in the Thesaurus Linguae Aegyptiae
Thesaurus Linguae Aegyptiae object ID	identifier for a text-bearing artefact (textual artefact) in the Thesaurus Linguae Aegyptiae
Thesaurus Linguae Aegyptiae textual work ID	identifier for an (abstract) text (written work) in the Thesaurus Linguae Aegyptiae
Thesaurus Linguae Aegyptiae thesaurus ID	identifier for a metadata thesaurus entry in the Thesaurus Linguae Aegyptiae	^https?:\/\/(?:www\.)?thesaurus-linguae-aegyptiae\.de\/thesaurus\/([a-zA-Z0-9\-_]+)
Three Decks people ID	naval personnel identifier at Three Decks	^https?:\/\/threedecks\.org\/index\.php\?display_type=show_crewman&id=([1-9]\d{0,5})
Three Decks ship ID	identifier for sailing ship in Three Decks	^https?:\/\/(?:www\.)?threedecks\.org\/index\.php\?display_type=show_ship&id=([1-9]\d{0,5})
Thésaurus des sujets de base du gouvernement du Canada ID	identifier for an French term in the Thésaurus des sujets de base du gouvernement du Canada ID	^https?:\/\/canada\.multites\.net\/tsb\/default\.asp\?op=DISPTERM&searchString=([A-Za-z0-9\%\-\+\s]+)&lang=FRA
Time.com author ID	ID of author profile on Time.com	^https?:\/\/time\.com\/author\/([a-z\-]*[a-z])
Times Higher Education World University ID	Times Higher Education World University Ranking Website's university identifier	^https?:\/\/(?:www\.)?timeshighereducation\.com\/world-university-rankings\/([a-z]+(-[a-z0-9]+)*)
ToS;DR service ID	number used by Terms of Service; Didn't Read to refer to a web-accessible service with a web-accessible ToS (P7014), privacy policy (P7101), or similar legal document	^https?:\/\/edit\.tosdr\.org\/services\/(\d+)
Todotango.com work ID	identifier for a song or composition from Todotango.com	^https?:\/\/(?:www\.)?todotango\.com\/musica\/tema\/([1-9]\d*)\/wd
Tolkien Gateway ID	identifier for an article about the universe of Tolkien in the Tolkien Gateway website	^https?:\/\/tolkiengateway\.net\/wiki\/((?!\/)[^\s\%]+)
Touhou Wiki ID	identifier for an subject in the Touhou Wiki. Format: Page_title or language code:Page_title for non-English wiki articles	^https?:\/\/en\.touhouwiki\.net\/wiki\/((?!\/)[^\s\%]+) ^https?:\/\/(es|fr|ru|da|de|it|ko|ms|nl|pl|ru|pt|sv|tr|uk|vi|zh)\.touhouwiki\.net\/wiki\/((?!\/)[^\s\%]+)
Tourer.it ID	identifier for a cultural heritage site in Emilia-Romagna region in Italy, in the Tourer.it open data portal	^https?:\/\/(?:www\.)?tourer\.it\/mappa\?id=(\d+)
Trainline ID	ID for a european railway station given by Trainline	^https?:\/\/trainline-eu\.github\.io\/stations-studio\/#\/station\/([1-9]\d{0,5})
Transfermarkt team ID	identifier for an association football (soccer) team in the transfermarkt.com database	^https?:\/\/(?:www\.)?transfermarkt\.com\/(?:.+)?\/startseite\/verein\/([1-9]\d{0,7})
Transport Canada LID	unique identifier assigned by Transport Canada for airports, heliports, train stations or other transport/travel-related points of interest
Transporter Classification Database ID	classifies transport proteins similar to how EC classifies enzymes	^https?:\/\/(?:www\.)?tcdb\.org\/search\/result\.php\?tc=(\d|(\d\.[A-Z](\.(\d{1,3}){0,3})))
Trap Danmark ID	identifier of an article in the online encyclopedia Trap Danmark	^https?:\/\/trap\.lex\.dk\/(.+)
Treccani's Dizionario di Filosofia ID	identifier for an item in the Dizionario di Filosofia	^https?:\/\/(?:www\.)?treccani\.it\/enciclopedia\/([a-z]+(?:\-[a-z]+)*(?:_res\-[0-9a-f]{8}(?:\-[0-9a-f]{4}){3}\-[0-9a-f]{12})?)_\(Dizionario[_\-]di[_\-]filosofia\)
Treccani's Dizionario di Storia ID	identifier for Dizionario di Storia ("Dictionary of History") by Treccani	^https?:\/\/(?:www\.)?treccani\.it\/enciclopedia\/([a-z]+[a-z0-9]*(?:\-[a-z0-9]+)*(?:_res\-[0-9a-f]{8}(?:\-[0-9a-f]{4}){3}\-[0-9a-f]{12})?)_\(Dizionario[_\-]di[_\-]Storia\)
Treccani's Enciclopedia dei Papi ID	identifier for a pope (or antipope) in the Enciclopedia dei Papi	^https?:\/\/(?:www\.)?treccani\.it\/enciclopedia\/([a-z]+(?:-[a-z]+)*)_\(Enciclopedia[_\-]dei[_\-]Papi\)
Treccani's Lessico del XXI Secolo ID	identifier for an entry in the Lessico del XXI Secolo on the Institute of the Italian Encyclopaedia website	^https?:\/\/(?:www\.)?treccani\.it\/enciclopedia\/([a-z0-9]+(?:-[a-z0-9]+)*)_\(Lessico[_\-]del[_\-]XXI[_\-]Secolo\)
Tschechische Theaterenzyklopädie ID	identifier for German articles in the Czech encyclopedia of theater
Turkish Football Federation stadium ID	identifier association football venue at TFF database	^https?:\/\/(?:www\.)?tff\.org\/Default\.aspx\?pageID=530&stadID=([1-9]\d*)
Turkish Football Federation team ID	identifier association football team at TFF database
Twitch tag ID	identifier for a tag on Twitch	^https?:\/\/(?:www\.)?twitch\.tv\/directory\/all\/tags\/([0-9A-Fa-f]{8}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{12})
Twitter list ID	identifier of a list of accounts on Twitter
Twitter post ID	identifier of a status on X/Twitter	^https?:\/\/(?:twitter\.com|x\.com)\/(?:i\/web|\w+)?\/status\/(([2-9]\d+|[1-9]\d{2,18})) ^https?:\/\/nitter\.net\/(?:i\/web|\w+)?\/status\/(([2-9]\d+|[1-9]\d{2,18}))
U-DISE code	identifier for a primary or secondary school in India issued under the Unified District Information System for Education
U-Multirank university ID	identifier for a university, on the U-Multirank website	^https?:\/\/(?:www\.)?umultirank\.org\/study-at\/([a-z]+(-[a-z0-9]+)*)-rankings\/
U. S. Supreme Court docket number	identifier for a case filed at the Supreme Court of the United States	^https?:\/\/caselaw\.findlaw\.com\/search\.html\?search_type=docket&court=us-supreme-court&text=(\d{2}-\d{2,})
U.S. National Archives Identifier	identifier for the United States National Archives and Records Administration's online catalog	^https?:\/\/catalog\.archives\.gov\/id\/(([1-9]\d{0,8}))
U.S. trademark serial number	identifier of a trademark serial number issued by the United States Patent and Trademark Office
UBIGEO code	identifier for a geographical location in Peru used by the National Statistics Institute
UCA authority ID	identifier for an authority in the catalog of the Library of the University of Cádiz (UCA)
UCSC Genome Browser assembly ID	identifier of a UCSC's release of a genome	^https:\/\/genome\.ucsc\.edu\/cgi-bin\/hgTracks\?db=([\w\d]+)
UCUM code	case-sensitive code from the Unified Code for Units of Measure specification to identify a unit of measurement
UEFA team ID	identifier for a association football (soccer) team in the UEFA database	^https?:\/\/(?:www\.)?uefa\.com\/nationalassociations\/teams\/([1-9]\d{0,6})\/
UIA Open Yearbook organization website ID	identifier for an international non-governmental organization (INGO) or intergovernmental organizations (IGO) on the UIA Open Yearbook org id	^https:\/\/uia\.org\/s\/or\/.+\/([1-9]\d*)
UK Archival Thesaurus ID	identifier for concepts in the UK Archival Thesaurus
UK Lakes Portal ID	identifier for a lake or loch in the UK Lakes Portal database and website	^https?:\/\/eip\.ceh\.ac\.uk\/apps\/lakes\/detail\.html\?wbid=(\d+)
UK National Fruit Collection ID	identifier of a fruit (plant) variety or cultivar, in the United Kingdom National Fruit Collection	^https?:\/\/(?:www\.)?nationalfruitcollection\.org\.uk\/full2\.php\?id=([1-9]\d*)
ULI ID	bibliographic record id in ULI
UM-BBD compound ID	ID for chemical compound in The University of Minnesota Biocatalysis/Biodegradation Database
UMLS CUI	NLM Unified Medical Language System (UMLS) controlled biomedical vocabulary unique identifier	^https?:\/\/ncim-stage\.nci\.nih\.gov\/ncimbrowser\/ConceptReport\.jsp\?dictionary=NCI\sMetathesaurus&code=(C\w\d{6})
UN/CEFACT Common Code	unit of measurement identifier as defined by the UN/CEFACT in Recommendation No. 20: Codes for Units of Measure Used in International Trade
UNIMARC: Medium of Performance ID	identifier for a medium of performance of musical works
UOL Eleições ID	іdentifier for elections in Brazil containing voting data for each position per State
URN formatter	formatter to generate Uniform Resource Name (URN) from property value. Include $1 to be replaced with property value
URN-NBN	URI in the urn:nbn: namespace as specified by RFC 3188
US Bureau of Prisons Inmate Register Number	unique number assigned to inmates
US Quaternary Fault ID	ID Number of Quaternary Fault in the US as assigned by the United States Geological Survey
USA Water Polo Hall of Fame ID	identifier for an inductee on the USA Water Polo Hall of Fame website
USGS earthquake ID	identifier for an earthquake or other seismic event, in the United States Geological Survey database	^https?:\/\/earthquake\.usgs\.gov\/earthquakes\/eventpage\/((ak|at|atlas|av|choy|ci|dupetel|gcmt|hv|iscgem|iscgemsup|ismpkansas|ld|md|nc|ne|nm|nn|official|pr|pt|rdemineral|se|us|uu|uw)[a-z0-9_]{6,20})
USP Production Repository ID	identifier for works at the USP Production Repository database	^https?:\/\/repositorio\.usp\.br\/item\/(\d{9})
UT.no ID	identifier for a hiking destination for the Norwegian Trekking Association
UVL source ID	identifier of a source in the Universal Videogame List	^https?://(?:www\.)?uvlist\.net/reviews/issues/([1-9]\d*)
Umění pro město ID	identifier from the catalogue of public art by Gallery of the City of Prague
Undiscovered Scotland ID	identifier for a page on the Undiscovered Scotland website	^https?:\/\/www\.undiscoveredscotland\.co\.uk\/([a-z\.\/]*)
Unified Saudi Occupational Classification	identifier for job in Unified Saudi Occupational Classification
Uniform Type Identifier	identifier used on software provided by Apple Inc. to uniquely identify a given class or type of item
United Nations Treaty Series Volume Number	volume number within the United Nations Treaty Series	^https?:\/\/treaties\.un\.org\/doc\/Publication\/UNTS\/Volume\s([1-9]\d*)\/v([1-9]\d*)\.pdf
United States Army and Air Force aircraft designation	identifier for a US Army and Air Force aircraft until 1962
Universal Content Identifier	South Korean national digital content identifier
Universal Spectrum Identifier	The Universal Spectrum Identifier (USI) is a compound identifier that provides an abstract path to refer to a single spectrum generated by a mass spectrometer, and potentially the ion that is thought to have produced it.
Universo del corpo ID	identifier for an item in Universo del corpo on the website of the Institute of the Italian Encyclopaedia	^https?:\/\/(?:www\.)?:treccani\.it\/enciclopedia\/([a-z]+(-[a-z]+)*(?:_res\-[0-9a-f]{8}(?:\-[0-9a-f]{4}){3}\-[0-9a-f]{12})?)_\(Universo[_\-]del[_\-]Corpo\)$
Uppslagsverket Finland ID	identifier of an article in the online encyclopedia Uppslagsverket Finland	^https?:\/\/uppslagsverket\.fi\/sv\/sok\/view-170045-(\w+)
Uralonet ID	Wikidata property for an identifier, Wikidata property to identify lexicographical entities, and numeric identifier	^https?:\/\/uralonet\.nytud\.hu\/eintrag\.cgi\?locale=de_DE&id_eintrag=([1-9]\d*) ^https?:\/\/uralonet\.nytud\.hu\/eintrag\.cgi\?locale=hu_HU&id_eintrag=([1-9]\d*) ^https?:\/\/uralonet\.nytud\.hu\/eintrag\.cgi\?locale=en_GB&id_eintrag=([1-9]\d*)
Utah History Encyclopedia ID	identifier for an entry on the Utah History Encyclopedia website
V Live channel ID	identifier for the V Live channel of a person, musical group or organisation	^https?:\/\/channels\.vlive\.tv\/([A-F\d]+) ^https?:\/\/www\.vlive\.tv\/channel\/([A-F\d]+)
VAi building ID	identifier for buildings in the building database of Flanders Architecture Institute	^http:\/\/permalink\.flandersarchitecture\.be\/buildingdb\/(\d{6,7})
VBProfiles person ID	ID of someone in VBProfiles	^https?:\/\/(?:www\.)?vbprofiles\.com\/people\/([a-z-]+-[a-z0-9]{24})
VD 18 ID	publication ID in the bibliography of 18th century printed material in the German speaking areas	^https?:\/\/kxp\.k10plus\.de\/DB=1\.65\/CMD\?ACT=SRCHA&IKT=8080&TRM=VD18([0-9]\d{7})
VGMPF ID	identifier in the Video Game Music Preservation Foundation wiki	^https?:\/\/(?:www\.)?vgmpf\.com\/Wiki\/index\.php\?title=([\w\:\(\)]+)
VGMdb product ID	identifier for a product (game, franchise, video) in the Video Game Music database	^https?:\/\/vgmdb\.net\/product\/([1-9]\d*)
VICNAMES Place ID	identifier for a place in Victoria, Australia, in the VICNAMES database	^https?:\/\/maps\.land\.vic\.gov\.au\/lassi\/VicnamesUI\.jsp\?placeId=([1-9]\d{0,20})
VIOLIN ID	identifier in the VIOLIN database for vaccines and related subjects	^http(?:s)?:\/\/www\.violinet\.org\/vaxquery\/vaccine_detail\.php\?c_vaccine_id=(\d+)
VIVC grape variety ID	identifier in Vitis International Variety Catalogue	^https?:\/\/(?:www\.)?vivc\.de\/\?r=passport%2Fview&id=(\d+)
VMH ID	ID for a topic in Virtual Metabolic Human database
VMI Historical Rosters Database ID	names of all enrolled students (both graduates and non-graduates) from VMI's opening in 1839 through the World War II era
VOR/DME airport beacon ID	VOR/DME identifier for airport beacons	^https?:\/\/(?:www\.)?pilotnav\.com\/navaids\/([A-Z]{2,3}) ^https?:\/\/(?:www\.)?openaip\.net\/navaids\?field_openaip_navaid_id_value=([A-Z]{2,3})
Vaare falne ID	identifiers for Norwegian casualties of world war 2	^https?:\/\/(?:www\.)?vg\.no\/spesial\/2015\/vaare_falne\/\?personId=([1-9]\d*)
Van Wijngaarden quarry ID	identifier for an underground quarry assigned by Van Wijngaarden of the National Institute for Field Biological Research for Nature Conservation (RIVON)
VectorBase taxonomy ID	identifier for a taxon in the NIAID Bioinformatics Resource Center VectorBase	^https?:\/\/(?:www\.)?vectorbase\.org\/ontology-browser\?cv=VBCV&t=VBsp:(\d+)
Veterans Legacy Memorial ID	veterans by gravesites
Viasona ID	alphabetical identifier for an artist at the Viasona music archive website	^https?:\/\/(?:www\.)?viasona\.cat\/grup\/([a-z0-9_]+(-[a-z0-9_]+)*)
Victorian Heritage Register ID	identifier in Victorian Heritage Register, Australia	^https?:\/\/vhd\.heritagecouncil\.vic\.gov\.au\/search\?aut%5B%5D=1086&kw=(H\d+)
Vidwan ID	external identifier to describe profiles of Indian academicians and scientists maintained in the database Vidwan	^https?:\/\/vidwan\.inflibnet\.ac\.in\/profile\/(\d+)
Vie publique intervention ID	identifier for a public intervention on Vie publique
Vienna History Wiki ID	numeric identifier of a page in the Vienna History Wiki	^https?:\/\/(?:www\.)?geschichtewiki\.wien\.gv\.at\/(?:Special:URIResolver|index\.php)\/\?curid=(\d+)
Vietherb metabolite ID	identifier for a plant metabolite in the Vietherb database
Vokrug sveta article ID	link to article of encyclopedia "Vokrug sveta"
Vokrug.tv show ID	identify for a creative work in Vokrug.tv	^https?:\/\/(?:www\.)?vokrug\.tv\/product\/show\/(\w+)
WALS family code	identifier for a language family in the World Atlas of Language Structures	^https?:\/\/wals\.info\/languoid\/family\/([a-z]{2,30})
WALS genus code	identifier for a language genus	^https?:\/\/wals\.info\/languoid\/genus\/([a-z]{2,30})
WALS lect code	identifier for a language	^https?:\/\/wals\.info\/languoid\/lect\/wals_code_([a-z]{3})
WBCHSE code	identifier for a college or school situated in West Bengal	^https?:\/\/wbchse\.nic\.in\/admin\/school_details\.php\?hp=(\d{4,5})
WDG lemma ID	identifier for a lexeme in the Wörterbuch der deutschen Gegenwartssprache at dwds.de
WMI code	Wikidata property related to road transport, Wikidata property for items about organizations, and Wikidata property for an identifier
WPI ID	port ID in World Port Index database	^https?:\/\/msi\.nga\.mil\/queryBreakout\?publications\/world-port-index\?indexNumber=(\d{2,5})&output=html
WW1 fallen/missing soldier ID (MHA)	identifier for a fallen/missing Austrian-Hungarian soldier from the area of later Czechoslovakia in the database of the Czech Military Historical Archive
Walmart product ID	identifier of a product on Walmart.com
Wander lemma ID	identifier for this lexeme in the German proverb lexicon by Karl Friedrich Wilhelm Wander at woerterbuchnetz.de
Wastewater treatment plant in France ID	identifier for wastewater treatment plant in France
WaterNSW Rivers and Streams Site No.	site number of a river or stream in the real time water data published by WaterNSW	^https?:\/\/realtimedata\.waternsw\.com\.au\/\?ppbm=([1-9]\d*)&rs
WeChat ID	account identifier of this item on WeChat
Web of Science ID (work)	unique academic work identifier assigned in Web of Science bibliographic database (Web of Science Core Collection only and do not include WOS: prefix)	^https?:\/\/cel\.webofknowledge\.com\/InboundService\.do\;jsessionid=[\dA-Z]+\?[\w=\-&]*UT=WOS:([A-Z\d]{15})
WebKit Feature Status feature ID	identifier for a feature on WebKit Feature Status feature ID	^https://webkit\.org/((css-)?status/#(feature%7Cspecification%7Cproperty)-.+)$
Webb-site organization ID	identifier for an organization on "Webb-site Who's Who"	^https?:\/\/webb-site\.com\/dbpub\/orgdata\.asp\?p=([1-9]\d*)
What is the Apple IIGS? ID	identifier in the What is the Apple IIGS? database	^https?:\/\/(?:www\.)?whatisthe2gs\.apple2\.org\.za\/([-\w]+)
Whiskybase distillery ID	identifier for a distillery on Whiskybase	^https?:\/\/(?:www\.)?whiskybase\.com\/whiskies\/distillery\/([1-9]\d{0,4})
Who's on First ID	identifier from the Who's on First database	^https?:\/\/spelunker\.whosonfirst\.org\/id\/([1-9]\d*)\/
Wi-Fi Certification ID	unique identifier of a certification granted by the Wi-Fi Alliance for product conformance to Wi-Fi Alliance standards	^https?:\/\/certifications\.prod\.wi-fi\.org\/pdf\/certificate\/public\/download\?cid=(WFA\d+)
Wiener Wohnen ID	identifier of municipal housing objects (Wiener Gemeindebauten) administered by Wiener Wohnen, Vienna, Austria
WikiCFP conference series ID	identifier for a conference series, in WikiCFP	^https?:\/\/wikicfp\.com\/cfp\/program\?id=([1-9]\d*)
WikiCFP event ID	identifier for an event in WikiCFP, an online database for scientific meetings	^https?:\/\/wikicfp\.com\/cfp\/servlet\/event\.showcfp\?eventid=([1-9]\d*)
WikiPathways ID	describes in which biological pathways a biological entity occurs	^https?:\/\/www\.wikipathways\.org\/index\.php\/Pathway\:(WP\d{1,4})
WikiProjectMed ID	identifier of a topic in WikiProjectMed	^https:\/\/mdwiki\.org\/wiki\/([^#?]+)
WikiRoutes ID	identifier for a transit route on the Wikiroutes website	^https?:\/\/wikiroutes\.info\/[a-z]{2}\/[a-z]+\?routes=([1-9]\d*)
WikiSkripta article ID	numeric identifier of a page on wikiskripta.eu	^https?:\/\/(?:www\.)?wikiskripta\.eu\/index\.php\?curid=(\d+)
WikiTree category or space	Categories in Wikitree for things that also exist in Wikidata like cemeteries	^https?:\/\/www\.wikitree\.com\/wiki\/((?:Category|Space):.{1,250})
Wikibase Registry ID	Q-ID in the Wikibase Registry	^https?:\/\/wikibase-registry\.wmflabs\.org\/wiki\/Item:(Q\d+)
Wikibase World ID	identifier for the corresponding entity in the Wikibase World database	^https?:\/\/wikibase\.world\/(?:entity\/|wiki\/(?:Item|Property)\:)([PQ][1-9]\d*)
Wikidata language code	identifier for a language or variant at Wikidata (use P424 (Wikimedia language code) to identify the language of a Wikimedia wiki)
Wikimapia ID	link to Wikimapia item	^https?:\/\/wikimapia\.org\/([0-9]{1,8})\/?.{1,194}
Wikimedia Incubator URL	active Wikimedia Incubator project in the language
Wikimedia VRTS ticket number	identifier for a set of email correspondence, in the Wikimedia Volunteer Response Team System
Wikimedia language code	identifier for a language or variant as used by Wikimedia projects
Wikipedia Library partner ID	numerical identifier for a resource in the Wikipedia Library Card Platform	^https?:\/\/wikipedialibrary\.wmflabs\.org\/partners\/(\d+)\/
Wikisimpsons article ID	identifier for a Wikisimpsons article	^https:\/\/simpsonswiki\.com\/w\/index\.php\?curid=(\d+)
Wikispore ID	page on Wikispore	^https:\/\/wikispore\.wmflabs\.org\/wiki\/(.+)%3A(.+)
Wikitribune category	name of a topic (category) on Wikitribune	^https?:\/\/(?:www\.)?wikitribune\.com\/category\/([a-z\-]+(\/[a-z\-]+)*)\/\?post_type=stories
Wine AppDB ID	identifier for an application in the AppDB of WineHQ	^https?:\/\/appdb\.winehq\.org\/appview\.php.*[?&]iAppId=(\d+) ^https?:\/\/appdb\.winehq\.org\/objectManager\.php\?sClass=application\&iId=(\d+)
Winterthur Glossar ID	identifier for an entry in the Winterthur Glossar
Wise Music Classical composer ID	identifier for a composer represented by Wise Music Classical
WoRMS source ID	identifier of a source in the WoRMS database	^https?:\/\/(?:www\.)?marinespecies\.org\/aphia\.php\?p=sourcedetails&id=([1-9]\d{0,6})
Wolfram Language entity code	input form for an entity in Wolfram Language	^https:\/\/www\.wolframalpha\.com\/input\?i=Entity%5B"(.+)"%2C\+"(.+)%3A%3A(.+)"%5D
Wolfram Language entity type	first part of the Wolfram Language entity code
Wolfram Language quantity ID	identifier for a (physical, chemical, ...) quantity in the Wolfram Language
Wood Database ID	identifier for a type of wood in The Wood Database
Woodland Trust wood ID	identifier for a wood recorded by the Woodland Trust	^https?:\/\/(?:www\.)?woodlandtrust\.org\.uk\/visiting-woods\/wood\/([0-9]+/[a-z\-]+)\/
Woolworths product ID	unique identifier of a product sold via the Woolworths online shop	^https?:\/\/www\.woolworths\.com\.au\/shop\/productdetails\/(\d{6})$
WordLift URL	a Linked Open Data permanent ID of publicly available entities curated by online publishers and distributed in various formats	^(https?:\/\/data\.thenextweb\.com\/tnw\/entity\/[\w_]+)(?:.html)? ^(https?:\/\/data\.wordlift\.io\/wl[\d]+\/entity\/[\w_]+) ^(https?:\/\/data\.windowsreport\.com\/windowsreport\/entity\/[\w_]+)(?:.html)? ^(https?:\/\/open\.salzburgerland\.com\/de\/entity\/[\w_]+)(?:.html)? ^(https?:\/\/data\.medicalrecords\.com\/medicalrecords\/healthwise\/[\w_]+)(?:.html)? ^(https?:\/\/data\.scripbox\.com\/scripbox\/entity\/[\w_]+)(?:.html)?
WordNet 3.1 Synset ID	Synset identifier in Princeton’s WordNet Version 3.1	^https?:\/\/wordnet-rdf\.princeton\.edu\/id\/(\d{8}\-[nvarsp])
World Flora Online ID	identifier for a plant in World Flora Online	^https?:\/\/list\.worldfloraonline.org\/(wfo-[0-9]{10})$ ^https?:\/\/www\.worldfloraonline\.org\/taxon\/(wfo-\d{10})
World History Encyclopedia ID	alphabetical identifier for an article in the Ancient History Encyclopedia	^https?:\/\/www\.worldhistory\.org\/([A-Za-z_-]+)\/
World Stadium Database ID	sportsarenas/stadium database
World Travel Awards ID	identifier for a nominee on the World Travel Awards website	^https?:\/\/(?:www\.)?worldtravelawards\.com\/profile-(\d+)-
World of Physics ID	identifier for an entity or concept, in Eric Weisstein's 'World of Physics'
World of Shakespeare ID	identifier for an article on the Russian Electronic Encyclopedia World of Shakespeare
WorldCup10.Ru person ID	identifier for a participants of 2010 FIFA World Cup at WorldCup10.Ru site
WorldFootball.net competition ID	identifier for a association football (soccer) competition in the WorldFootball.net database
WorldFootball.net stadium ID	identifier for a association football (soccer) stadium in the WorldFootball.net database
WorldFootball.net team ID	identifier for a association football (soccer) team in the WorldFootball.net database
Wormbase Gene ID	Identifier for a genetic element in Wormbase	^https?:\/\/wormbase\.org\/species\/c_elegans\/gene\/([^\s#]+)
Writers Guild of America writer ID	identifier for a writer in the Writers Guild of America's Find a Writer database	^https?:\/\/directories\.wga\.org\/member\/([0-9a-f]{8}-([0-9a-f]{4}-){3}[0-9a-f]{12})
WyoHistory.org Encyclopedia ID	identifier for an entry on the WyoHistory.org website about the history of Wyoming
Wörterbuch der Präpositionen ID	identifier for a lemma in the preposition dictionary at grammis.ids-mannheim.de
Wörterbuch zur Verbvalenz ID	identifier for a lemma in the verb valency dictionary published by the Leibniz-Institut für Deutsche Sprache	^https:\/\/grammis\.ids-mannheim\.de\/verbvalenz\/(\d+)$
Wörterbuch zur Verbvalenz sense ID	identifier for a sense in the verb valency dictionary at grammis.ids-mannheim.de	^https:\/\/grammis\.ids-mannheim\.de\/verbs\/view\/(\d+\/\d+)
XJustiz court ID	identifier for German courts
XWord Info author ID	identifier for a New York Times crossword (also variety or acrostic) puzzle constructor on XWord Info
Xenopus Anatomical Ontology ID	identifier for an anatomical structure in the Xenopus Anatomical Ontology, a controlled vocubulary for describing Xenopus anatomy and embryological development
Xikao History ID	identifier for people, events and schools about the Chinese opera in the Xikao online dictionary	^https?:\/\/history\.xikao\.com\/((school|event|person)\/\S{1,50})
Xikao Repertoire ID	identifier for people, events and schools about the Chinese opera in the Xikao online dictionary
Yahoo Answers category ID	category at Yahoo Answers
Yarkipedia ID	identifier for a subject in Yarkipedia
Yarus feed ID	identifier of the news aggregator in Yarus
Yle topic ID	identifier for topics in Finland's national broadcaster Yle's web services
YouTube handle	unique identifier of a person, organization or channel on YouTube; do not include the "@" symbol	^https:\/\/www\.youtube\.com\/@([A-Za-z0-9_\-\.]{3,30}) ^https:\/\/app\.thoughtleaders\.io\/youtube\/([A-Za-z0-9_\-\.]{3,30}) ^https:\/\/kz\.youtubers\.me\/([A-Za-z0-9_\-\.]{3,30})\/youtuber
Yu-Gi-Oh! TCG cards ID	unique ID for Yu-Gi-Oh! TCG (Trading Cards Game) cards listed at Yu-Gi-Oh! Card Database	^https?:\/\/www\.db\.yugioh\-card\.com\/yugiohdb\/card_search\.action\?[\w&=]*cid=([1-9]\d*)
ZFIN Gene ID	identifier for a genetic element in the Zebrafish Model Organism Database
ZVG number	identifier of GESTIS database of the Institute for Occupational Safety and Health
ZVR-Number	ID of registered associations in Austria
Zaragoza public art ID	ID of public art catalogued in zaragoza.es	^https?:\/\/(?:www\.)?zaragoza\.es\/sede\/servicio\/arte-publico\/([1-9]\d*)
Zeneszöveg.hu international artist ID	identifier for an international artist on Zeneszöveg.hu site
Zeno.org ID	identifier for an entry on zeno.org
Zhihu username	domain name of Zhihu users' personal pages	^https?:\/\/(?:www\.)?zhihu\.com\/people\/([A-Za-z0-9_\-]+)\/
Zillow zpid	numeric identifier used for real estate	^https?:\/\/(?:www\.)?zillow\.com\/homedetails\/(?:[\w-]+\/)?([1-9]\d+)_zpid
ZineWiki ID	page name in the ZineWiki
administrative district of Czech municipality with authorized municipal office ID	identifier for a municipality with authorized municipal office, conferred by 'Český úřad zeměměřický a katastrální'	^https?:\/\/vdp\.cuzk\.cz\/vdp\/ruian\/pou\/(\d+)
administrative district of Czech municipality with expanded powers ID	identifier for a municipality with expanded powers, conferred by 'Český úřad zeměměřický a katastrální'	^https?:\/\/vdp\.cuzk\.cz\/vdp\/ruian\/orp\/(\d+)
am.hayazg.info ID	identifier for a person in the Armenian website am.hayazg.info
amateur radio callsign	callsign assigned to licensed Amateur Radio operator, station or satellite	^https?:\/\/(?:www\.)?qrzcq\.com\/call\/([A-Z0-9]{3,7})
applies if regular expression matches	this statement is only true if the value matches this regular expression
arXiv ID	identifier of a document in arXiv pre-print archive	^https?:\/\/arxiv\.org\/abs\/((?:\d{4}.\d{4,5}|[a-z\-]+(?:\.[A-Z]{2})?\/\d{7})(?:v\d+)?)
arXiv classification	arXiv classification of pre-print articles	^https?:\/\/arxiv\.org\/list\/((astro-ph|cond-mat|gr-cq|hep-ex|hep-lat|hep-ph|hep-th|math-ph|nlin|nucl-ex|nucl-th|physics|quant-ph|math|cs|CoRR|q-bio|q-fin|stat)\.[A-Z]{2})\/recent
arch2.iofe.center person ID	identifier for a person at the arch2.iofe.center
archINFORM keyword ID	identifier for a keyword on the archINFORM website	^https?:\/\/(?:www\.)?archinform\.net\/stich\/([1-9]\d{0,3})\.htm
archINFORM location ID	identifier for a location on the archINFORM website	^https?:\/\/(?:www\.)?archinform\.net\/ort\/([1-9][0-9]{0,4})\.htm
archival creator authority record at the Archives nationales	identifier of the Archives Nationales (French National Archives)	^https?:\/\/(?:www\.)?siv\.archives-nationales\.culture\.gouv\.fr\/siv\/NP\/(FRAN_NP_\d{6})
artist-info exhibition ID	іdentifier in the artist-info database for exhibition records	^https?:\/\/(?:www\.)?artist-info\.com\/exhibition\/([0-9]\d+)
artist-info location ID	identifier in the artist-info location database of exhibition records	^https?:\/\/(?:www\.)?artist-info\.com\/users\/publicpagemuseum\/([0-9]\d+)
atletiek.nu athlete ID	identifier for an athlete at the atletiek.nu website
base Mémoire reference	reference in the base Mémoire for a French iconographic heritage element	^https?:\/\/(?:www\.)?culture\.gouv\.fr\/public\/mistral\/memoire_fr\?ACTION=CHERCHER&FIELD_1=REF&VALUE_1=([0-9A-Z_]*)
bibcode	bibcode for a journal	^https?:\/\/adsabs\.harvard\.edu\/cgi-bin\/nph-toc_query\?journal=([A-Za-z\.\&]{1,5})
call sign	short form identifier for a radio operator or broadcaster and (as flag signal) previous for watercrafts	^https?:\/\/www\.shipspotting\.com\/photos\/gallery\?callSign=([^#&?]+)
castingvideos ID	identifiers for actors on castingvideos.com	^https?:\/\/(?:www\.)?castingvideos\.com\/fullprofile\/schauspieler-([-a-z]*)\.html
category for the interior of the item	Commons category for media files depicting interior views of this item (object, place)
classicamiga ID	identifier in the classicamiga database	^https?:\/\/(?:www\.)?classicamiga\.com\/content\/view\/([1-9]\d*)\/2\/
code for weekend and holiday homes (Sweden)	identifier for a for weekend or holiday home in Sweden, assigned by Statistics Sweden
copyright registration	ID assigned by the US copyright office recording the registration of copyright for a creative work, or the renewal of such a copyright
ctext work ID	identifier for a work, in the ctext database. ctext is a database of pre-modern texts in Chinese languages (works and editions have separate identifiers)
danskefilm TV Christmas calendar	identifier for a TV Christmas calendar in danskefilm.dk	^https?:\/\/(?:www\.)?danskefilm\.dk\/julekalender\.php\?id=(\d+)
danskfilmogtv person ID	identifier for a person in danskfilmogtv.dk	^https?:\/\/danskfilmogtv\.dk\/content\.php\?page=persons&sort=lastname&value=(\d+)
data.gouv.fr dataset ID	ID of a dataset in the French open data platform data.gouv.fr
deckenmalerei.eu ID	Identifier for entities in the "Corpus der barocken Deckenmalerei in Deutschland" database
droitne.ch author ID	legal author identifier in thedroitne.ch database	^https?\:\/\/(www\.)?droitne\.ch\/droitne\/auteurs\/([1-9]\d{0,2})\/.*
e-MEC entry	entry for a Brazilian institution of higher learning in the Ministry of Education	^https:\/\/emec\.mec\.gov\.br\/emec\/consulta-cadastro\/detalhamento\/[0-9a-f]+\/([A-Za-z=\d]+)
e-WV: The West Virginia Encyclopedia ID	identifier for an entry on the West Virginia Encyclopedia website	^https?:\/\/(?:www\.)?wvencyclopedia\.org\/articles\/(\d+)
eAmbrosia ID	alphanumerical identifier for a product in the eAmbrosia database (EU geographical indications register)	https?:\/\/ec\.europa\.eu\/info\/food-farming-fisheries\/food-safety-and-quality\/certification\/quality-labels\/geographical-indications-register\/details\/(EUGI\d+) https?:\/\/(?:www\.)?tmdn\.org\/giview\/gi\/(EUGI\d+)
eFloraSA ID	Electronic Flora of South Australia: Factsheet ID	^https?:\/\/(?:www\.)?flora\.sa\.gov\.au\/cgi-bin\/speciesfacts_display\.cgi\?form=speciesfacts&name=([A-Z][a-z]*_[a-z]+)
eMedicine ID	identifier in the online clinical medical knowledge base	^https?:\/\/emedicine\.medscape\.com\/article\/(\d{5,7})-overview
ePSD ID	identifier for the electronic Pennsylvania Sumerian Dictionary	^https?:\/\/psd\.museum\.upenn\.edu\/epsd\/e(\d+)\.html
ePSD2 ID	identifier of a word in the Pennsylvania Sumerian Dictionary Second Edition
eStudánky ID	identifier in the eSTUDÁNKY database, which covers water sources and water wells in the Czech Republic	^https?:\/\/(?:www\.)?estudanky\.eu\/(\d+)
edition humboldt digital ID	identifier for the register of biographies, places and institutions in edition humboldt digital	^https?:\/\/edition\-humboldt\.de\/(H\d{7})
elibrary.ru article ID	identifier for separate publication at the eLibrary.Ru
elibrary.ru person ID	identifier for a person in the elibrary.ru database of science, education, and government organisations in Russia
email address	email address, prefixed with mailto:	^(mailto:[^@]+@[^\.]+[^?]+)
embed URL template	formatter URL for embeddable content: URI template from which "$1" can be automatically replaced with the effective property value on items
endangeredlanguages.com ID	identifier of a language on the website endangeredlanguages.com	^https?:\/\/(?:www\.)?endangeredlanguages\.com\/lang\/([1-9][0-9]*)
error-report URL or e-mail	e-mail (prefixed with mailto:) or webpage to which error in the entries of this external ID can be reported
eska.pl topic ID	identifier for an topic on eska.pl site
extension on WikiApiary	entry of a MediaWiki extension in WikiApiary
fanvue creator ID	creator username on fanvue.com
fernsehserien.de ID	identifier for television series on the website fernsehserien.de	^https?:\/\/www\.fernsehserien\.de\/([^?#]+)
file format identification pattern	pattern or string which is used to identify a file as having a particular known format
flight-report.com Airline ID	Wikidata property for an identifier, Wikidata property for items about airlines, Wikidata property for an identifier that suggests notability, and numeric identifier	^https?:\/\/flight-report\.com\/en\/airline\/([1-9]\d*)
format as a regular expression	regex describing an identifier or a Wikidata property. When using on property constraints, ensure syntax is a PCRE
formatter URI for RDF resource	formatter URL for RDF resource: URI template from which "$1" can be automatically replaced with the effective property value on items (it is the URI of the resources, not the URI of the RDF file describing it)
formatter URL	web page URL; URI template from which "$1" can be automatically replaced with the effective property value on items. If the site goes offline, set it to deprecated rank. If the formatter URL changes, add a new statement with preferred rank.
funk channel ID	ID of the funk channel. Used only for formats with a channel on the funk.net website.	^https?:\/\/(?:www\.)?funk\.net\/channel\/([-a-zA-Z0-9@:%._\+~#=]*)
geograph.org.uk image ID	identifier for an image from Geograph Britain and Ireland
gesetze-im-internet.de ID	identifier on Gesetze im Internet
goalzz.com team ID	identifier for a sports team in the goalzz.com database	^https?:\/\/(?:www\.)?goalzz\.com\/main\.aspx\?team=([1-9]\d*)
government.ru person ID	identifier for a minister or senior official on government.ru
gravsted.dk ID	identifier for a person giving their burial place, in gravsted.dk	^https?:\/\/www\.gravsted\.dk\/person\.php\?navn=([^\/#]+)
hackage package	name of a package on Hackage
iDAI.chronontology ID	identifier for an epoch in the database iDAI.chronontology compiled by the German Archaeological Institute
iFixit device ID	identifier of a device on the repair website ifixit.com	https\:\/\/www\.ifixit\.com\/Device\/([^\/#?]+)
iFixit teardown ID	identifier for a disassembly review of a device on the iFixit website	^https?:\/\/www\.ifixit\.com\/Teardown\/[^\/]+\/(\d+)
iTunes genre ID	identifier for a genre on the media platform iTunes	^https:\/\/podcasts\.apple\.com\/..\/genre\/podcasts-.+\/id([1-9]\d*)
iTunes movie collection ID	identifier for a movie collection in the iTunes Store	^https?:\/\/itunes\.apple\.com\/us\/movie-collection\/id([1-9]\d*)
identifiant Sculpturo	Wikidata property for an identifier
identifier in a register in Germany	numeric identifier in a register located in Germany
internetmedicin.se ID	ID in the Swedish database about medical topics	^https?:\/\/(?:www\.)?internetmedicin\.se\/page\.aspx\?id=([1-9]\d{0,4})
interwiki prefix at Wikimedia	prefix used for the website on Wikimedia Foundation wikis. Qualify with "formatter URL" (P1630) from Special:Interwiki. If the URL changes, add the qualifier "end date" and create a new statement with new formatter.
issued by	organisation or other agent that issues or allocates an identifier, code, classification number, etc.
istina.msu.ru person ID	identifier for a person at the istina.msu.ru	^https:\/\/istina\.msu\.ru\/workers\/(\d+)
itch.io URL	URL of a project hosted on itch.io	^(https?:\/\/(?:\w+(?:[\-\_]+\w+)*)\.itch\.io\/(?:\w+(?:[\-\_]+\w+)*))
literatura.kg person ID	identifier for a person at the literatura.kg
magazine in BitArkivo.org	unique ID for the magazine on the website BitArkivo	^https?:\/\/bitarkivo\.org\/gazetoj\/([a-z-]+)
man page	man page that describes the subject
manchu.work lexeme ID	identifier for a Manchu lexeme in the online dictionary set up by 纳罕哈哈
maritime identification digits	identifier used by radio communication facilities to identify their home country or base area in messages as part of their Maritime Mobile Service Identities
marterl.at ID	identifier in the marterl.at database	^https?:\/\/marterl\.at\/index\.php\?id=23&no_cache=1&oid=([1-9]\d*)
media type	IANA-registered identifier for a file type	^https?:\/\/(?:www\.)?iana\.org\/assignments\/media-types\/((application|audio|example|font|image|message|model|multipart|text|video)/[a-zA-Z0-9\-+.]+)
member of the Portuguese parliament ID	id in the Portuguese Parliament Database	^https?:\/\/(?:www\.)?parlamento\.pt\/DeputadoGP\/Paginas\/Biografia\.aspx\?BID=([1-9][0-9]*)
membership number	number given to an entity to identify them within an organization
memoriademadrid publication ID	identifier for a journal in the journals archive of "Biblioteca Digital memoriademadrid", an open access digital library of Spanish-language periodical publications, established by the city of Madrid	^https?:\/\/(?:www\.)?memoriademadrid\.es\/buscador\.php\?accion=VerFicha&id=(\d+)
miRBase mature miRNA ID	identifier for mature miRNAs in miRBase, the reference database for microRNAs	^https?:\/\/(?:www\.)?mirbase\.org\/cgi-bin\/mature\.pl\?mature_acc=(MIMAT\d{7})
miRBase pre-miRNA ID	identifier for pre-miRNAs in miRBase, the reference database for microRNAs	^https?:\/\/(?:www\.)?mirbase\.org\/cgi-bin\/mirna_entry\.pl\?acc=(MI\d{7})
misas.org Catholic church ID	identifier of a catholic church at misas.org
mobile formatter URL	web page URL of mobile version; URI template from which "$1" can be automatically replaced with the effective property value on items
motorsportstats.com team ID	identifier for a motorsport team at motorsportstats.com
motorsportstats.com venue ID	identifier for a motorsport venue at motorsportstats.com	^https?:\/\/results\.motorsportstats\.com\/venues\/([a-z1-9][a-z0-9\-]{1,96})
moviepilot.de series ID	identifier for TV series on moviepilot.de	^https?:\/\/www\.moviepilot\.de\/serie\/([^\/]+)
museum-digital person ID	identification of a person or institution in the vocabulary of the digital museum
museum-digital tag ID	numeric identifier for keywords used in the description of cultural heritage objects in Museum-Digital
music austria ID	identifier in the Austrian online music database music austria	^https?:\/\/db\.musicaustria\.at\/node\/([1-9]\d*)
myschool ID	identifier of a school in Australia, in the myschool.edu.au site, a government source of compiled data	^https?:\/\/www\.myschool\.edu\.au\/school\/([1-9]\d+)
nLab ID	name of a page in nLab wiki	^https?:\/\/ncatlab\.org\/nlab\/show\/([\p{L}\d=–?,.^'\- ()]+)
nagrada.srs.kg person ID	identifier for a person at the nagrada.srs.kg
naturkartan.se ID	identifier for a place in the naturkartan.se database	^https:\/\/api\.naturkartan\.se\/(\d+)$
note.com user ID	identifier for a user on note.com
npm scope or username	npm scope of the given software, person or organization
old-computers.com ID	identifier in the database of computing platforms old-computers.com	^https?:\/\/(?:www\.)?old-computers\.com\/museum\/computer\.asp\?c=([1-9]\d*) ^https?:\/\/web\.archive\.org\/web\/https?:\/\/(?:www\.)?old-computers\.com\/museum\/computer\.asp\?c=([1-9]\d*)
openAIP ID	identifier of an aerodrome, in the openAIP (open aeronautical information platform) database	^https?:\/\/www\.openaip\.net\/node\/([1-9]\d*)
operator licence number	British heavy goods vehicle (HGV) and public service vehicle (PSV) operator license number
oric.org ID	an identifier in the oric.org database of Oric computer programs	^https?:\/\/(?:www\.)?oric\.org\/index\.php\?page=software&fille=detail&num_log=([1-9]\d*)
page(s)	page number of source referenced for statement. Note "column(s)" (P3903) and "folio(s)" (P7416) for other numbering systems
paris.fr lieux ID	identifier for an equipment in Paris on the paris.fr/website
phone number	telephone number in standard format (RFC3966), without 'tel:' prefix	^(?:tel|callto)?:(\+\d+)?(?:-|\s)?(\d+)?(?:-|\s)?(\d+)?(?:-|\s)?(\d+)(?:-|\s)?(\d+)? ^((?:tel|callto)?:[0-9-]+)$ (^tel\:)(\d+)(?:[\s\/-]+(\d+)(?:[\s\/-]+(\d+)(?:[\s\/-]+(?:(\d+)(:?[\s\/-]+(\d+))?)?)?)?)? ^https:\/\/api\.whatsapp\.com\/send\/\?phone=(\d+)
playmakerstats.com stadium ID	identifier for a association football (soccer) stadium in the playmakerstats.com database
post town	town/city part of the postal address, can be different from administrative location
postal code	identifier assigned by postal authorities for the subject area or building	^https:\/\/www\.streetcheck\.co\.uk\/postcode\/([^#\/?]+)
pressball.by football manager ID	pressball.by identifier for an association football (soccer) manager
property proposal discussion	URL of the page (or page section) on which the creation of the property was discussed
rack system	type of rack-and-cogwheel system used by a certain rack railway
rating.chgk.info ID	identifier of player at rating.chgk.info
re3data repository ID	identifier for a data repository in the re3data registry	^https?:\/\/www\.re3data\.org\/repository\/(r3d[1-9]\d{0,8})
road number (Estonia)	identifier for a road in the Estonian Road Register (teeregister); format: up to 7 digits
ru.hayazg.info ID	identifier for a person in the Russian edition of the Armenian website hayazg.info
school code	identified codes for the all level of schools ruled by Ministry of Education, Taiwan
sense on DHLE	sense on the Historical Dictionary of the Spanish Language
setlist.fm venue ID	identifier for a music venue at Setlist.fm	^https?:\/\/www\.setlist\.fm\/venue\/[\w\-]+\-([a-f\d]{7,8})\.html
skin on WikiApiary	entry of a MediaWiki skin in WikiApiary
snookerscores.net tournament ID	ID about a specific snooker tournament at the snookerscores.net database	^https?:\/\/snookerscores\.net\/tournament-manager\/([a-z\d]+(?:\-[a-z\d]+)*)
snublestein.no Stolperstein ID	identifier for Stolpersteine in Norway issued by the Oslo Jewish Museum	^https?:\/\/(?:www\.)?snublestein\.no(?:\/.*)?\/p=([1-9]\d{0,3})\/?$
startrek.com Database ID	ID in the Database of startrek.com	^https?:\/\/[a-z]+\.startrek\.com\/(database_article\/[\d\w\-_]+|node\/\d+)
stolpersteine-berlin.de Stolperstein ID	identifier for Stolpersteine in Berlin issued by stolpersteine-berlin.de	^https?:\/\/www\.stolpersteine-berlin\.de\/(?:(?:en|de)\/)?biografie\/([1-9]\d{0,3})$
stolpersteine-bremen.de Stolperstein ID	identifier for Stolpersteine in Bremen issued by stolpersteine-bremen.de	^http:\/\/(?:www\.)?stolpersteine-bremen\.de\/detail\.php\?id=([1-9]\d{0,2})$
stolpersteine-hamburg.de Stolperstein ID	identifier for Stolpersteine in Hamburg issued by stolpersteine-hamburg.de	^https?:\/\/(?:www\.)?stolpersteine-hamburg\.de(?:\/(?:index\.php|en\.php)?)?\?(?:.*&)?MAIN_ID=7&(?:.*&)?BIO_ID=([1-9]\d{0,3})($|&|#) ^https?:\/\/(?:www\.)?stolpersteine-hamburg\.de(?:\/(?:index\.php|en\.php)?)?\?(?:.*&)?BIO_ID=([1-9]\d{0,3})&(?:.*&)?MAIN_ID=7($|&|#) ^https?:\/\/(?:www\.)?stolpersteine-hamburg\.de\/biografie\.php\?(?:.*&)?BIO_ID=([1-9]\d{0,3})($|&|#)
street address	full street address where subject is located. Include building number, city/locality, post code, but not country; use also P669 if the street has its own separate item
swMATH work ID	identifier of information service for mathematical software
symogih.org ID	identifier for a resource in the symogih.org database	http:\/\/(?:www\.)?symogih\.org\/resource\/((AbOb|Actr|Bibl|CoAc|CoFo|NaPl|SoCh)\d+)
tDAR creator ID	identifier for a person or organization in the Digital Archaeological Record
textove.com artist ID	artist ID at Bulgarian website textove.com	^https?:\/\/textove\.com\/([a-z0-9-]+)
theCrag ID	identifier for a climbing area or route on the “thecrag.com” website
third-party formatter URL	URI template from which "$1" can be automatically replaced with the effective property value on items; for sites other than the primary issuing body of the identifier concerned
tourist information point number	identifier for a tourist information point (guidepost) in the Czech Republic
tuxDB game ID	identifier of a video game in the tuxDB database	^https?:\/\/tuxdb\.com\/game\/([1-9]\d*)
type of a register in Germany	type of a register in Germany represented by code
urban area census code	unique identifier assigned by the United States Census Bureau to an urban area
vPlants ID	identifier for a plant species, subspecies, or variety from the Chicago Region in the vPlants virtual herbarium
vesti.kz team ID	identifier for a sports team in the vesti.kz database	^https?:\/\/vesti\.kz\/team\/([1-9]\d*)\/?
vets.cz ID	identifier of a memorial in vets.cz
video	relevant video. For images, use the property P18. For film trailers, qualify with "object has role" (P3831)="trailer" (Q622550)
vodnimlyny.cz ID	identifier in the database of water mills in the Czech Republic	^https?:\/\/vodnimlyny\.cz\/mlyny\/objekty\/detail\/(\d+)
who.ca-news.org person ID	identifier for a person at the who.ca-news.org
zanikleobce.cz abandoned objects ID	identifier of abandoned objects from zanikleobce.cz	^https?:\/\/zanikleobce\.cz\/index\.php\?obec=([1-9]\d*)
zbMATH Open document ID	identifier in the zbMATH Open database	^https?:\/\/zbmath\.org\/(\?q=an:)?([\d\.]+)
Álgu lexeme ID	identifier for an entry in the database of lexical and etymological information about Sámi language words	^https?:\/\/kaino\.kotus\.fi\/algu\/index\.php\?t=lekseemi&lekseemi_id=([1-9]\d*)&kkieli=(?:en|sa|fi)
Česká divadelní encyklopedie ID	identifier for Czech articles in the Czech encyclopedia of theater
Ġabra lexeme ID	identifier for a lexeme in the Ġabra lexicon	^https?:\/\/mlrs\.research\.um\.edu\.mt\/resources\/gabra\/lexemes\/view\/([0-9a-f]{24})
‎DWDS sense ID	url slug of a sense in DWDS	^https?:\/\/(?:www\.)?dwds\.de\/wb\/([A-Za-z0-9ÄÖÜäöüß\-\s]+#d-\d+-\d+[-\d]*)
‎European Union trademark number	identifier of the European Union trademark number issued by European Union Intellectual Property Office (EUIPO)	^https?:\/\/euipo\.europa\.eu\/eSearch\/\#details\/trademarks\/(\d+)
‎Flickr photo ID	persistent identifier for images on Flickr	^https?:\/\/(?:www\.)?flickr\.com\/photo\.gne\?id=(\d+) ^https?:\/\/(?:www\.)?flickr\.com\/photos\/(?:.+)\/(\d+)\/?
‎IBP 6-letter bird species alpha code	standardized six-letter alphabetic code for bird species by the Institute for Bird Populations
‎MiMoText ID	identifier for an item in the Mining and Modeling Text knowledge graph on French novels 1751-1800	^https?:\/\/data\.mimotext\.uni-trier\.de\/wiki\/Item:(Q\d+)
‎NIWA article ID	identifier of an article on the Nintendo Independent Wiki Alliance. Format: wiki:Page_title	^https?:\/\/niwanetwork\.org\/wiki\/([a-z\d]+(?!\/|\:|\%[\dA-F]{2})(?![^\s]+\%[\dA-F]{2})[^\s]+) ^https:\/\/armswiki.org\/wiki\/([^\s#\?]+) ^https:\/\/dragalialost.wiki\/w\/([^\s#\?]+) ^https:\/\/drawntolife.wiki\/en\/([^\s#\?]+) ^https:\/\/fireemblemwiki.org\/wiki\/([^\s#\?]+) ^https:\/\/mutecity.org\/wiki\/([^\s#\?]+) ^https:\/\/goldensunwiki.net\/wiki\/([^\s#\?]+) ^https:\/\/harddrop.com\/wiki\/([^\s#\?]+) ^https:\/\/www\.kidicaruswiki.org\/w\/index\.php\/([^\s#\?]+) ^https:\/\/splatoonwiki.org\/wiki\/([^\s#\?]+) ^https:\/\/www\.khwiki.com\/([^\s#\?]+) ^https:\/\/kovopedia.com\/wiki\/([^\s#\?]+) ^https:\/\/starfoxwiki\.info\/wiki\/([^\s#\?]+) ^https:\/\/www\.metroidwiki.org\/wiki\/([^\s#\?]+) ^https:\/\/miiwiki.org\/wiki\/([^\s#\?]+) ^https:\/\/mysterydungeonwiki\.com\/wiki\/([^\s#\?]+) ^https:\/\/niwanetwork\.org\/wiki\/([^\s#\?]+) ^https:\/\/nookipedia\.com\/wiki\/([^\s#\?]+) ^https:\/\/www\.pikminwiki\.com\/([^\s#\?]+) ^https:\/\/pikminfanon\.com\/wiki\/([^\s#\?]+) ^https:\/\/rhwiki\.net\/wiki\/([^\s#\?]+) ^https:\/\/www\.ssbwiki\.com\/([^\s#\?]+) ^https:\/\/www\.starfywiki\.org\/wiki\/([^\s#\?]+) ^https:\/\/ukikipedia\.net\/wiki\/([^\s#\?]+) ^https:\/\/warswiki\.org\/wiki\/([^\s#\?]+) ^https:\/\/wikibound\.info\/wiki\/([^\s#\?]+) ^https:\/\/www\.xenoserieswiki\.org\/wiki\/([^\s#\?]+) ^https:\/\/zeldawiki\.wiki\/wiki\/([^\s#\?]+) ^https:\/\/pikminitalia\.it\/wiki\/([^\s#\?]+) ^https:\/\/wiki\.pokemoncentral\.it\/([^\s#\?]+) ^https:\/\/www\.mariowiki\.it\/([^\s#\?]+) ^https:\/\/it\.wikibound\.info\/wiki\/([^\s#\?]+) ^https:\/\/www\.xenopedia\.it\/([^\s#\?]+) ^https:\/\/mariowiki\.net\/wiki\/([^\s#\?]+) ^https:\/\/www\.zeldapendium\.de\/wiki\/([^\s#\?]+)
‎OHDSI ID	identifier for a medical-related concept in the Athena vocabulary, run by OHDSI	^https?:\/\/athena\.ohdsi\.org\/search\-terms\/terms\/(\d+)
‎Oxford English Dictionary object ID (post-July 2023)	identifier for an entry (or sub-entry) in the Oxford English Dictionary, as the suffix to a DOI issued by the OED	^https?:\/\/doi\.org\/10\.1093\/OED\/([0-9]{10})
‎Oyez Project ID	identifier for a court case, justice, or advocate in the Oyez Project website	^https?:\/\/(?:www\.)?oyez\.org\/((?:cases|justices|advocates)\/[a-z\d]+(?:(?:\_|\-)[a-z\d]+)*(?:\/(?:[a-z\d]+(?:\-[a-z\d]+)*))?)
‎SEC Kerala code	code by State Election Commission (Kerala)
‎WhatPub pub ID	identifier for a pub on WhatPub	^https?:\/\/(?:www\.)?whatpub\.com\/pubs\/([A-Z]{3}\/[\w-]+)\/?(?:[a-z\d]+(?:\-[a-z\d]+)*\/?)?
‎WildTangent Games ID	identifier for a game on WildTangent Games	^https?:\/\/(?:www\.)?wildtangent\.com\/p\/([\w-]+\/[\w-]+)
‎location information URL	URL of a web page providing information on the locations of stores or other physical locations of a brand or operator

Misc

Article	description	URL match pattern	web page title extract pattern
IMTL.org ID	identifier on the website Images de Montréal (imtl.org)	^https?:\/\/imtl\.org\/image\.php\?id=(\d{1,5})

---

∑ 1784 items.

End of automatically generated list.

Is there / should there be a value for "backlink"

I know we link out for our own purposes, but it might be nice to know if the favor is returned. Is there, or should there be a value to say for a particular record "has linked back"

As well as knowing we're loved :-) it could also be indication to a bot or human that backlinking is need for this site Back ache (talk) 11:59, 6 January 2023 (UTC)

@Back ache 200.68.170.21 00:43, 26 January 2024 (UTC)