Wikimedia Page-Version URL - OntifyWikimedia Page-Version URL
Wikimedia Page Version
:https?://((\p{Ll}+-)*\p{Ll}+\.)?(mediawiki|wik(i((p|m)edia|data|versity|source|quote|voyage|(book|specie|function|new)s)|tionary))\.org/w(/index\.php\?oldid=\d+(&diff=prev)?|iki/Special:(Diff|Perma([Ll]ink|nent[Ll]ink))/\d+(/\d+)?) 
Wikidata