UniversalCodeGrep (ucg) is an extremely fast grep-like tool specialized for searching large bodies of source code. It is intended to be largely command-line compatible with Ack, to some extent with ag, and where appropriate with grep. Search patterns are specified as PCRE regexes.
This is a companion discussion topic for the original entry at https://copr.fedorainfracloud.org/coprs/grvs/UniversalCodeGrep/