This is the revision history for group in <libera.chat:#regexen>

factoid_idsubjectcopulapredicateauthornamespace
14677 group is <fact groups>
Use a (capturing group) if you need to capture a substring. Use a (?:non-capturing group) if you need the functionality of a group, but no capture is required.		 digitok <freenode.net:#regex>
14676 group is <fact groups>
Not Available		 digitok <freenode.net:#regex>