This is the revision history for qs in <freenode.net:#regex>

factoid_idsubjectcopulapredicateauthornamespace
15410 qs is https://regex101.com/?regex=&flags=&delimiter=&flavor=&testString=&subst= digitok
15409 qs is https://regex101.com/?regex=&flags=&delimiter=&flavor=&testString=&subst= digitok
14347 qs is https://regex101.com/?regex=&flags=&delimiter=&flavor=&teststring=&subst= digitok
12911 qs is https://regex101.com/?regex=&flags=&delimiter=&flavor=&testString=&subst= digitok
12897 qs is ?regex=&flags=&delimiter=&flavor=&testString=&subst= digitok