This is the revision history for factoidsurl in <freenode.net:#regexen>

factoid_idsubjectcopulapredicateauthornamespace
15017 factoidsurl is `eval use URI::Encode; sub e{URI::Encode::uri_encode$_[0],{encode_reserved=>1}}; $_=`quote d `arg &s!:`arg &c!!; m|^.*?([^.]+\.[^.]+):(.*?)$|; sprintf "https://factoids.perl.bot/%s/%s/list", e($1), e($2)!
https://factoids.perl.bot/libera.chat/%23regex/list
simcop2387 <freenode.net:#regex>