Regex is a full-featured regular expression compiler and matching engine written by Michael Parker. If you're one of those who believe that Lisp is slow, note that this regex engine is roughly 5x-20x times faster than the GNU regex matcher (which is obviously written in C).

Homepage: at

Repository: GitHub

License: BSD

Quick assessment (2023-09-02)

((matcher-matchexpr matcher) (let ((*match-simple-strings-only* nil)) (setf (matcher-string-matchfn matcher) (matcher-string-matchfn (compile-expr-to-matcher (matcher-matchexpr matcher)))))