masak oh! 20:41
in that vein
there will be regexes that can be compiled down "all the way", and whose components are all known at compile time 20:42
but then there will be those that reference a lexical, or (worse) a subrule in a grammar, and the exact reference somehow becomes unknowable at compile time 20:43
in which case there's only so much we can do to optimize and early-bind