Module:Authority control

Documentation for this module may be created at Module:Authority control/doc

require('Module:No globals')

local p = {}

--[[==========================================================================]]
--[[                            Category functions                            ]]
--[[==========================================================================]]

function p.getCatForId( id )
	local title = mw.title.getCurrentTitle()
	local namespace = title.namespace
	local catName = ''
	if namespace == 0 then
		catName = 'Wikipedia articles with ' .. id .. ' identifiers'
	elseif namespace == 2 and not title.isSubpage then
		catName = 'User pages with ' .. id .. ' identifiers'
	else
		catName = 'Miscellaneous pages with ' .. id .. ' identifiers'
	end
	return '[[Category:' .. catName .. ']]' .. p.redCatLink(catName)
end

function p.redCatLink( catName ) --catName == 'Blah', not 'Category:Blah', not '[[Category:Blah]]'
	if catName and catName ~= '' and mw.title.new(catName, 14).exists == false then
		return '[[Category:Pages with red-linked authority control categories]]'
	end
	return ''
end

--[[==========================================================================]]
--[[                      Property formatting functions                       ]]
--[[==========================================================================]]

function p.iaafLink( id )
	--P1146's format regex: [1-9][0-9]* (e.g. 123)
	if not string.match( id, '^[1-9]%d*$' ) then
		return false
	end
	return '[https://www.iaaf.org/athletes/biographies/athcode='..id..' '..id..']'..p.getCatForId( 'IAAF' )
end

function p.viafLink( id )
	--P214's format regex: [1-9]\d(\d{0,7}|\d{17,20}) (e.g. 123456789, 1234567890123456789012)
	if not string.match( id, '^[1-9]%d%d?%d?%d?%d?%d?%d?%d?$' ) and
	   not string.match( id, '^[1-9]%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d?%d?%d?$' ) then
		return false
	end
	return '[https://viaf.org/viaf/'..id..' '..id..']'..p.getCatForId( 'VIAF' )
end

function p.kulturnavLink( id )
	--P1248's format regex: [0-9a-f]{8}\-[0-9a-f]{4}\-[0-9a-f]{4}\-[0-9a-f]{4}\-[0-9a-f]{12} (e.g. 12345678-1234-1234-1234-1234567890AB)
	if not string.match( id, '^%x%x%x%x%x%x%x%x%-%x%x%x%x%-%x%x%x%x%-%x%x%x%x%-%x%x%x%x%x%x%x%x%x%x%x%x$' ) then
		return false
	end
	return '[http://kulturnav.org/'..id..' '..id..']'..p.getCatForId( 'KULTURNAV' ) --no https yet (10/2018)
end

function p.sikartLink( id )
	--P781's format regex: \d{7,9} (e.g. 123456789)
	if not string.match( id, '^%d%d%d%d%d%d%d%d?%d?$' ) then
		return false
	end
	return '[http://www.sikart.ch/KuenstlerInnen.aspx?id='..id..'&lng=en '..id..']'..p.getCatForId( 'SIKART' ) --no https yet (10/2018)
end

function p.tlsLink( id )
	local id2 = id:gsub(' +', '_')
	--P1362's format regex: \p{Lu}[\p{L}\d_',\.\-\(\)\*/–]{3,59} (e.g. Abcd)
	local class = "[%a%d_',%.%-%(%)%*/–]"
	local regex = "^%u"..string.rep(class, 3)..string.rep(class.."?", 56).."$"
	if not mw.ustring.match( id2, regex ) then
		return false
	end
	return '[http://tls.theaterwissenschaft.ch/wiki/'..id2..' '..id..']'..p.getCatForId( 'TLS' ) --no https yet (10/2018)
end

function p.ciniiLink( id )
	--P271's format regex: DA\d{7}[\dX] (e.g. DA12345678)
	if not string.match( id, '^DA%d%d%d%d%d%d%d[%dX]$' ) then
		return false
	end
	return '[https://ci.nii.ac.jp/author/'..id..'?l=en '..id..']'..p.getCatForId( 'CINII' )
end

function p.bneLink( id )
	--P950's format regex: (XX|FF|a)\d{4,7}|(bima|bimo|bica|bis[eo]|bivi|Mise|Mimo|Mima)\d{10} (e.g. XX1234567)
	if not string.match( id, '^[XF][XF]%d%d%d%d%d?%d?%d?$' ) and
	   not string.match( id, '^a%d%d%d%d%d?%d?%d?$' ) and
	   not string.match( id, '^bi[mcsv][aoei]%d%d%d%d%d%d%d%d%d%d$' ) and
	   not string.match( id, '^Mi[sm][eoa]%d%d%d%d%d%d%d%d%d%d$' ) then
		return false
	end
	return '[http://catalogo.bne.es/uhtbin/authoritybrowse.cgi?action=display&authority_id='..id..' '..id..']'..p.getCatForId( 'BNE' ) --no https yet (10/2018)
end

function p.uscongressLink( id )
	--P1157's format regex: [A-Z]00[01]\d{3} (e.g. A000123)
	if not string.match( id, '^[A-Z]00[01]%d%d%d$' ) then
		return false
	end
	return '[http://bioguide.congress.gov/scripts/biodisplay.pl?index='..id..' '..id..']'..p.getCatForId( 'USCongress' ) --no https yet (10/2018)
end

function p.naraLink( id )
	--P1225's format regex: ^([1-9]\d{0,7})$ (e.g. 12345678)
	if not string.match( id, '^[1-9]%d?%d?%d?%d?%d?%d?%d?$' ) then
		return false
	end
	return '[https://catalog.archives.gov/id/'..id..' '..id..']'..p.getCatForId( 'NARA' )
end

function p.botanistLink( id )
	--P428's format regex: ('t )?(d')?(de )?(la )?(van (der )?)?(Ma?c)?(De)?(Di)?\p{Lu}?C?['\p{Ll}]*([-'. ]*(van )?(y )?(d[ae][nr]?[- ])?(Ma?c)?[\p{Lu}bht]?C?['\p{Ll}]*)*\.? ?f?\.? (e.g. L.)
	--not easily/meaningfully implementable in Lua's regex since "(this)?" is not allowed...
	if not mw.ustring.match( id, "^[%u%l%d%. '-]+$" ) then --better than nothing
		return false
	end
	local id2 = id:gsub(' +', '%%20')
	return '[https://www.ipni.org/ipni/advAuthorSearch.do?find_abbreviation='..id2..' '..id..']'..p.getCatForId( 'Botanist' )
end

function p.mgpLink( id )
	--P549's format regex: \d{1,6} (e.g. 123456)
	if not string.match( id, '^%d%d?%d?%d?%d?%d?$' ) then
		return false
	end
	return '[http://www.genealogy.ams.org/id.php?id='..id..' '..id..']'..p.getCatForId( 'MGP' ) --no https yet (10/2018)
end

function p.rslLink( id )
	--P947's format regex: \d{1,9} (e.g. 123456789)
	if not string.match( id, '^%d%d?%d?%d?%d?%d?%d?%d?%d?$' ) then
		return false
	end
	return '[http://aleph.rsl.ru/F?func=find-b&find_code=SYS&adjacent=Y&local_base=RSL11&request='..id..'&CON_LNG=ENG '..id..']'..p.getCatForId( 'RSL' ) --no https yet (10/2018)
end

function p.leonoreLink( id )
	--P640's format regex: LH/\d{1,4}/\d{1,3}|19800035/\d{1,4}/\d{1,5}(Bis)?|C/0/\d{1,2} (e.g. LH/2064/18)
	if not id:match( '^LH/%d%d?%d?%d?/%d%d?%d?$' ) and             --IDs from       LH/1/1 to         LH/2794/54 (legionaries)
	   not id:match( '^19800035/%d%d?%d?%d?/%d%d?%d?%d?%d?$' ) and --IDs from 19800035/1/1 to 19800035/385/51670 (legionnaires who died 1954-1977 & some who died < 1954)
	   not id:match( '^C/0/%d%d?$' ) then                          --IDs from        C/0/1 to             C/0/84 (84 famous legionaries)
		return false
	end
	return '[http://www.culture.gouv.fr/public/mistral/leonore_fr?ACTION=CHERCHER&FIELD_1=COTE&VALUE_1='..id..' '..id..']'..p.getCatForId( 'Léonore' ) --no https yet (10/2018)
end

function p.sbnLink( id )
	--P396's format regex: IT\\ICCU\\(\d{10}|\D\D[\D\d]\D\\\d{6}) (e.g. IT\ICCU\CFIV\000163)
	if not string.match( id, '^IT\\ICCU\\%d%d%d%d%d%d%d%d%d%d$' ) and
	   not string.match( id, '^IT\\ICCU\\%u%u[%u%d]%u\\%d%d%d%d%d%d$' ) then --legacy: %u used here instead of %D (but the faulty ID cat is empty, out of ~12k uses)
		return false
	end
	return '[https://opac.sbn.it/opacsbn/opac/iccu/scheda_authority.jsp?bid='..id..' '..id..']'..p.getCatForId( 'SBN' )
end

function p.nkcLink( id )
	--P691's format regex: [a-z]{2,4}[0-9]{2,14} (e.g. abcd12345678901234)
	if not string.match( id, '^[a-z][a-z][a-z]?[a-z]?%d%d%d?%d?%d?%d?%d?%d?%d?%d?%d?%d?%d?%d?$' ) then
		return false
	end
	return '[https://aleph.nkp.cz/F/?func=find-c&local_base=aut&ccl_term=ica='..id..'&CON_LNG=ENG '..id..']'..p.getCatForId( 'NKC' )
end

function p.nclLink( id )
	--P1048's format regex: \d+ (e.g. 1081436)
	if not string.match( id, '^%d+$' ) then
		return false
	end
	return '[http://aleweb.ncl.edu.tw/F/?func=accref&acc_sequence='..id..'&CON_LNG=ENG '..id..']'..p.getCatForId( 'NCL' ) --no https yet (10/2018)
end

function p.ndlLink( id )
	--P349's format regex: 0?\d{8} (e.g. 012345678)
	if not string.match( id, '^0?%d%d%d%d%d%d%d%d$' ) then
		return false
	end
	return '[https://id.ndl.go.jp/auth/ndlna/'..id..' '..id..']'..p.getCatForId( 'NDL' )
end

function p.sudocLink( id )
	--P269's format regex: (\d{8}[\dX]|) (e.g. 026927608)
	if not string.match( id, '^%d%d%d%d%d%d%d%d[%dxX]$' ) then --legacy: allow lowercase 'x'
		return false
	end
	return '[https://www.idref.fr/'..id..' '..id..']'..p.getCatForId( 'SUDOC' )
end

function p.hdsLink( id )
	--P902's format regex: 50\d{3}|[1-4]\d{4}|[1-9]\d{0,3}| (e.g. 50123)
	if not string.match( id, '^50%d%d%d$' ) and
	   not string.match( id, '^[1-4]%d%d%d%d$' ) and
	   not string.match( id, '^[1-9]%d?%d?%d?$' ) then
		return false
	end
	return '[http://www.hls-dhs-dss.ch/textes/f/F'..id..'.php '..id..']'..p.getCatForId( 'HDS' ) --no https yet (10/2018)
end

function p.lirLink( id )
	--P886's format regex: \d+ (e.g. 1)
	if not string.match( id, '^%d+$' ) then
		return false
	end
	return '[http://www.e-lir.ch/e-LIR___Lexicon.'..id..'.450.0.html '..id..']'..p.getCatForId( 'LIR' ) --no https yet (10/2018)
end

function p.splitLccn( id )
	--P244's format regex: (n|nb|nr|no|ns|sh)([4-9][0-9]|00|20[0-1][0-9])[0-9]{6} (e.g. n78039510)
	if id:match( '^%l%l?%l?%d%d%d%d%d%d%d%d%d?%d?$' ) then
		id = id:gsub( '^(%l+)(%d+)(%d%d%d%d%d%d)$', '%1/%2/%3' )
	end
	if id:match( '^%l%l?%l?/%d%d%d?%d?/%d+$' ) then
		return mw.text.split( id, '/' )
	end
	return false
end

function p.append(str, c, length)
	while str:len() < length do
		str = c .. str
	end
	return str
end

function p.lccnLink( id )
	local parts = p.splitLccn( id ) --e.g. n78039510
	if not parts then
		return false
	end
	local lccnType = parts[1] ~= 'sh' and 'names' or 'subjects'
	id = parts[1] .. parts[2] .. p.append( parts[3], '0', 6 )
	return '[https://id.loc.gov/authorities/'..lccnType..'/'..id..' '..id..']'..p.getCatForId( 'LCCN' )
end

function p.mbaLink( id )
	--P434's format regex: [0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12} (e.g. 12345678-1234-1234-1234-1234567890AB)
	if not string.match( id, '^%x%x%x%x%x%x%x%x%-%x%x%x%x%-%x%x%x%x%-%x%x%x%x%-%x%x%x%x%x%x%x%x%x%x%x%x$' ) then
		return false
	end
	return '[https://musicbrainz.org/artist/'..id..' '..id..']'..p.getCatForId( 'MusicBrainz' )
end

function p.mbareaLink( id )
	--P982's format regex: [0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12} (e.g. 12345678-1234-1234-1234-1234567890AB)
	if not string.match( id, '^%x%x%x%x%x%x%x%x%-%x%x%x%x%-%x%x%x%x%-%x%x%x%x%-%x%x%x%x%x%x%x%x%x%x%x%x$' ) then
		return false
	end
	return '[https://musicbrainz.org/area/'..id..' '..id..']'..p.getCatForId( 'MusicBrainz area' )
end

function p.mbiLink( id )
	--P1330's format regex: [0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12} (e.g. 12345678-1234-1234-1234-1234567890AB)
	if not string.match( id, '^%x%x%x%x%x%x%x%x%-%x%x%x%x%-%x%x%x%x%-%x%x%x%x%-%x%x%x%x%x%x%x%x%x%x%x%x$' ) then
		return false
	end
	return '[https://musicbrainz.org/instrument/'..id..' '..id..']'..p.getCatForId( 'MusicBrainz instrument' )
end

function p.mblLink( id )
	--P966's format regex: [0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12} (e.g. 12345678-1234-1234-1234-1234567890AB)
	if not string.match( id, '^%x%x%x%x%x%x%x%x%-%x%x%x%x%-%x%x%x%x%-%x%x%x%x%-%x%x%x%x%x%x%x%x%x%x%x%x$' ) then
		return false
	end
	return '[https://musicbrainz.org/label/'..id..' '..id..']'..p.getCatForId( 'MusicBrainz label' )
end

function p.mbpLink( id )
	--P1004's format regex: [0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12} (e.g. 12345678-1234-1234-1234-1234567890AB)
	if not string.match( id, '^%x%x%x%x%x%x%x%x%-%x%x%x%x%-%x%x%x%x%-%x%x%x%x%-%x%x%x%x%x%x%x%x%x%x%x%x$' ) then
		return false
	end
	return '[https://musicbrainz.org/place/'..id..' '..id..']'..p.getCatForId( 'MusicBrainz place' )
end

function p.mbrgLink( id )
	--P436's format regex: [0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12} (e.g. 12345678-1234-1234-1234-1234567890AB)
	if not string.match( id, '^%x%x%x%x%x%x%x%x%-%x%x%x%x%-%x%x%x%x%-%x%x%x%x%-%x%x%x%x%x%x%x%x%x%x%x%x$' ) then
		return false
	end
	return '[https://musicbrainz.org/release-group/'..id..' '..id..']'..p.getCatForId( 'MusicBrainz release group' )
end

function p.mbsLink( id )
	--P1407's format regex: [0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12} (e.g. 12345678-1234-1234-1234-1234567890AB)
	if not string.match( id, '^%x%x%x%x%x%x%x%x%-%x%x%x%x%-%x%x%x%x%-%x%x%x%x%-%x%x%x%x%x%x%x%x%x%x%x%x$' ) then
		return false
	end
	return '[https://musicbrainz.org/series/'..id..' '..id..']'..p.getCatForId( 'MusicBrainz series' )
end

function p.mbwLink( id )
	--P435's format regex: [0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12} (e.g. 12345678-1234-1234-1234-1234567890AB)
	if not string.match( id, '^%x%x%x%x%x%x%x%x%-%x%x%x%x%-%x%x%x%x%-%x%x%x%x%-%x%x%x%x%x%x%x%x%x%x%x%x$' ) then
		return false
	end
	return '[https://musicbrainz.org/work/'..id..' '..id..']'..p.getCatForId( 'MusicBrainz work' )
end

--Returns the ISNI check digit isni must be a string where the 15 first elements are digits, e.g. 0000000066534145
function p.getIsniCheckDigit( isni )
	local total = 0
	for i = 1, 15 do
		local digit = isni:byte( i ) - 48 --Get integer value
		total = (total + digit) * 2
	end
	local remainder = total % 11
	local result = (12 - remainder) % 11
	if result == 10 then
		return "X"
	end
	return tostring( result )
end

--Validate ISNI (and ORCID) and retuns it as a 16 characters string or returns false if it's invalid
--See http://support.orcid.org/knowledgebase/articles/116780-structure-of-the-orcid-identifier
function p.validateIsni( id )
	--P213 (ISNI) format regex: [0-9]{4} [0-9]{4} [0-9]{4} [0-9]{3}[0-9X] (e.g. 0000-0000-6653-4145)
	--P496 (ORCID) format regex: 0000-000(1-[5-9]|2-[0-9]|3-[0-4])\d{3}-\d{3}[\dX] (e.g. 0000-0002-7398-5483)
	id = id:gsub( '[ %-]', '' ):upper()
	if not id:match( '^%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d[%dX]$' ) then
		return false
	end
	if p.getIsniCheckDigit( id ) ~= string.char( id:byte( 16 ) ) then
		return false
	end
	return id
end

function p.isniLink( id )
	id = p.validateIsni( id ) --e.g. 0000-0000-6653-4145
	if not id then
		return false
	end
	return '[http://isni.org/isni/'..id..' '..id:sub( 1, 4 )..' '..id:sub( 5, 8 )..' '..id:sub( 9, 12 )..' '..id:sub( 13, 16 )..']'..p.getCatForId( 'ISNI' ) --no https yet (10/2018)
end

function p.orcidLink( id )
	id = p.validateIsni( id ) --e.g. 0000-0002-7398-5483
	if not id then
		return false
	end
	id = id:sub( 1, 4 )..'-'..id:sub( 5, 8 )..'-'..id:sub( 9, 12 )..'-'..id:sub( 13, 16 )
	return '[https://orcid.org/'..id..' '..id..']'..p.getCatForId( 'ORCID' )
end

function p.gndLink( id )
	--P227's format regex: (1|1[01])\d{7}[0-9X]|[47]\d{6}-\d|[1-9]\d{0,7}-[0-9X]|3\d{7}[0-9X] (e.g. 4079154-3)
	if not string.match( id, '^1[01]?%d%d%d%d%d%d%d[0-9X]$' ) and
	   not string.match( id, '^[47]%d%d%d%d%d%d%-%d$' ) and
	   not string.match( id, '^[1-9]%d?%d?%d?%d?%d?%d?%d?%-[0-9X]$' ) and
	   not string.match( id, '^3%d%d%d%d%d%d%d[0-9X]$' ) then
		return false
	end
	return '[https://d-nb.info/gnd/'..id..' '..id..']'..p.getCatForId( 'GND' )
end

function p.selibrLink( id )
	--P906's format regex: [1-9]\d{4,5} (e.g. 123456)
	if not string.match( id, '^[1-9]%d%d%d%d%d?$' ) then
		return false
	end
	return '[https://libris.kb.se/auth/'..id..' '..id..']'..p.getCatForId( 'SELIBR' )
end

function p.bnfLink( id )
	--P268's format regex: \d{8}[0-9bcdfghjkmnpqrstvwxz] (e.g. 123456789)
	if not string.match( id, '^c?b?%d%d%d%d%d%d%d%d[0-9bcdfghjkmnpqrstvwxz]$' ) then
		return false
	end
	--Add cb prefix if it has been removed
	if not string.match( id, '^cb.+$' ) then
		id = 'cb'..id
	end
	return '[https://catalogue.bnf.fr/ark:/12148/'..id..' '..id..'] [http://data.bnf.fr/ark:/12148/'..id..' (data)]'..p.getCatForId( 'BNF' )
end

function p.bpnLink( id )
	--P651's format regex: \d{8} (e.g. 12345678)
	if not string.match( id, '^%d%d%d%d%d%d%d%d$' ) then
		return false
	end
	return '[http://www.biografischportaal.nl/en/persoon/'..id..' '..id..']'..p.getCatForId( 'BPN' ) --no https yet (10/2018)
end

function p.ridLink( id )
	--P1053's format regex: [A-Z]-\d{4}-(19|20)\d\d (e.g. A-1234-1934)
	if not string.match( id, '^[A-Z]%-%d%d%d%d%-19%d%d$' ) and
	   not string.match( id, '^[A-Z]%-%d%d%d%d%-20%d%d$' ) then
		return false
	end
	return '[https://www.researcherid.com/rid/'..id..' '..id..']'..p.getCatForId( 'RID' )
end

function p.bibsysLink( id )
	--P1015's format regex: [1-9]\d* or [1-9](\d{0,8}|\d{12}) (e.g. 1234567890123)
	--TODO: follow up @ [[d:Property talk:P1015#Discrepancy between the 2 regex constraints]] or escalate/investigate
	if not string.match( id, '^[1-9]%d?%d?%d?%d?%d?%d?%d?%d?$' ) and
	   not string.match( id, '^[1-9]%d%d%d%d%d%d%d%d%d%d%d%d$' ) then
		return false
	end
	return '[https://authority.bibsys.no/authority/rest/authorities/html/'..id..' '..id..']'..p.getCatForId( 'BIBSYS' )
end

function p.ulanLink( id )
	--P245's format regex: 500\d{6} (e.g. 500123456)
	if not string.match( id, '^500%d%d%d%d%d%d$' ) then
		return false
	end
	return '[https://www.getty.edu/vow/ULANFullDisplay?find=&role=&nation=&subjectid='..id..' '..id..']'..p.getCatForId( 'ULAN' )
end

function p.nlaLink( id )
	--P409's format regex: [1-9][0-9]{0,11} (e.g. 123456789012)
	if not string.match( id, '^[1-9]%d?%d?%d?%d?%d?%d?%d?%d?%d?%d?%d?$' ) then
		return false
	end
	return '[https://nla.gov.au/anbd.aut-an'..id..' '..id..']'..p.getCatForId( 'NLA' )
end

function p.rkdartistsLink( id )
	--P650's format regex: [1-9]\d{0,5} (e.g. 123456)
	if not string.match( id, '^[1-9]%d?%d?%d?%d?%d?$' ) then
		return false
	end
	return '[https://rkd.nl/en/explore/artists/'..id..' '..id..']'..p.getCatForId( 'RKDartists' )
end

function p.snacLink( id )
	--P3430's format regex: \d*[A-Za-z][0-9A-Za-z]* (e.g. A)
	if not string.match( id, '^%d*[A-Za-z][0-9A-Za-z]*$' ) then
		return false
	end
	return '[http://socialarchive.iath.virginia.edu/ark:/99166/'..id..' '..id..']'..p.getCatForId( 'SNAC-ID' ) --no https yet (10/2018)
end

function p.dblpLink( id )
	--P2456's format regex: \d{2,3} /\d+(-\d+)?|[a-z] /[a-zA-Z][0-9A-Za-z]*(-\d+)? (e.g. 123/123)
	if not string.match( id, '^%d%d%d?/%d+$' ) and
	   not string.match( id, '^%d%d%d?/%d+%-%d+$' ) and
	   not string.match( id, '^[a-z]/[a-zA-Z][0-9A-Za-z]*$' ) and
	   not string.match( id, '^[a-z]/[a-zA-Z][0-9A-Za-z]*%-%d+$' ) then
		return false
	end
	return '[https://dblp.org/pid/'..id..' '..id..']'..p.getCatForId( 'DBLP' )
end

function p.acmLink( id )
	--P864's format regex: \d{11} (e.g. 12345678901)
	if not string.match( id, '^%d%d%d%d%d%d%d%d%d%d%d$' ) then
		return false
	end
	return '[https://dl.acm.org/author_page.cfm?id='..id..' '..id..']'..p.getCatForId( 'ACM-DL' )
end

function p.autoresuyLink( id )
	--P2558's format regex: [1-9]\d{0,4} (e.g. 12345)
	if not string.match( id, '^[1-9]%d?%d?%d?%d?$' ) then
		return false
	end
	return '[https://autores.uy/autor/'..id..' '..id..']'..p.getCatForId( 'autores.uy' )
end

function p.picLink( id )
	--P2750's format regex: [1-9]\d* (e.g. 1)
	if not string.match( id, '^[1-9]%d*$' ) then
		return false
	end
	return '[https://pic.nypl.org/constituents/'..id..' '..id..']'..p.getCatForId( 'PIC' )
end

function p.bildLink( id )
	--P2092's format regex: \d+ (e.g. 1)
	if not string.match( id, '^%d+$' ) then
		return false
	end
	return '[https://www.bildindex.de/document/obj'..id..' '..id..']'..p.getCatForId( 'Bildindex' )
end

function p.jocondeLink( id )
	--P347's format regex: [\-0-9A-Za-z]{11} (e.g. 12345678901)
	local regex = '^'..string.rep('[%-0-9A-Za-z]', 11)..'$'
	if not string.match( id, regex ) then
		return false
	end
	return '[http://www2.culture.gouv.fr/public/mistral/joconde_fr?ACTION=CHERCHER&FIELD_1=REF&VALUE_1='..id..' '..id..']'..p.getCatForId( 'Joconde' ) --no https yet (10/2018)
end

function p.rkdidLink( id )
	--P350's format regex: [1-9]\d{0,5} (e.g. 123456)
	if not string.match( id, '^[1-9]%d?%d?%d?%d?%d?$' ) then
		return false
	end
	return '[https://rkd.nl/nl/explore/images/'..id..' '..id..']'..p.getCatForId( 'RKDID' )
end

function p.balatLink( id )
	--P3293's format regex: \d+ (e.g. 1)
	if not string.match( id, '^%d+$' ) then
		return false
	end
	return '[http://balat.kikirpa.be/object/104257'..id..' '..id..']'..p.getCatForId( 'BALaT' ) --no https yet (10/2018)
end

function p.lnbLink( id )
	--P1368's format regex: \d{9} (e.g. 123456789)
	if not string.match( id, '^%d%d%d%d%d%d%d%d%d$' ) then
		return false
	end
	return '[https://kopkatalogs.lv/F?func=direct&local_base=lnc10&doc_number='..id..'&P_CON_LNG=ENG '..id..']'..p.getCatForId( 'LNB' )
end

function p.nskLink( id )
	--P1375's format regex: \d{9} (e.g. 123456789)
	if not string.match( id, '^%d%d%d%d%d%d%d%d%d$' ) then
		return false
	end
	return '[http://katalog.nsk.hr/F/?func=direct&doc_number='..id..'&local_base=nsk10 '..id..']'..p.getCatForId( 'NSK' ) --no https yet (10/2018)
end

function p.iciaLink( id )
	--P1736's format regex: \d+ (e.g. 1)
	if not string.match( id, '^%d+$' ) then
		return false
	end
	return '[https://www.imj.org.il/artcenter/newsite/en/?artist='..id..' '..id..']'..p.getCatForId( 'ICIA' )
end

function p.ta98Link( id )
	--P1323's format regex: A\d{2}\.\d\.\d{2}\.\d{3}[FM]? (e.g. A12.3.45.678)
	if not string.match( id, '^A%d%d%.%d%.%d%d%.%d%d%d[FM]?$' ) then
		return false
	end
	return '[http://tools.wmflabs.org/wikidata-externalid-url/?p=1323&url_prefix=https:%2F%2Fwww.unifr.ch%2Fifaa%2FPublic%2FEntryPage%2FTA98%20Tree%2FEntity%20TA98%20EN%2F&url_suffix=%20Entity%20TA98%20EN.htm&id='..id..' '..id..']'..p.getCatForId( 'TA98' )
end

function p.teLink( id )
	--P1693's format regex: E[1-8]\.\d{1,2}\.\d{1,2}\.\d{1,2}\.\d{1}\.\d{1}\.\d{1,3} (e.g. E1.23.45.67.8.9.0)
	local e1, e2 = string.match( id, '^E([1-8])%.(%d%d?)%.%d%d?%.%d%d?%.%d%.%d%.%d%d?%d?$' )
	if not e1 then
		return false
	end
	local TEnum = 'TEe0'..e1 --no formatter URL in WD, probably due to this complexity
	if e1 == '5' or e1 == '7' then
		if #e2 == 1 then e2 = '0'..e2 end
		TEnum = TEnum..e2
	end
	return '[http://www.unifr.ch/ifaa/Public/EntryPage/ViewTE/'..TEnum..'.html '..id..']'..p.getCatForId( 'TE' )
end

function p.thLink( id )
	--P1694's format regex: H\d\.\d{2}\.\d{2}\.\d\.\d{5} (e.g. H1.23.45.6.78901)
	local h1, h2 = string.match( id, '^H(%d)%.(%d%d)%.%d%d%.%d%.%d%d%d%d%d$' )
	if not h1 then
		return false
	end
	local THnum = 'THh'..h1..h2 --no formatter URL in WD, probably due to this complexity
	return '[http://www.unifr.ch/ifaa/Public/EntryPage/ViewTH/'..THnum..'.html '..id..']'..p.getCatForId( 'TH' )
end


return p