This is the revision history for regex characters in <discord.gg:#412831877242683403>

factoid_idsubjectcopulapredicateauthornamespace
3880 regex characters is . == [^\n]; \s == [\x20\f\t\r\n]; \w == [A-Za-z0-9_]; \d == [0-9]; \S, \W and \D negate perlbot <*:##NULL>