Daring coder gets Doom running with regular expressions at 180 seconds per frame, like playing 'correspondence chess with a shotgun' — nearly 14 million substitutions to render a frame at 80,000 substitutions per second
https://www.tomshardware.com/software/programming/daring-coder-gets-doom-running-with-regular-expressions-at-180-seconds-per-frame-like-playing-correspondence-chess-with-a-shotgun-nearly-14-million-substitutions-to-render-a-frame-at-80-000-substitutions-per-second
