I completed the make a lisp project in Reason (alternative syntax for OCaml) a few months ago. I used the PCRE library, which has pretty much all the features

I completed the make a lisp project in Reason (alternative syntax for OCaml) a few months ago. I used the PCRE library, which has pretty much all the features you expect, and it is actively maintained. Note: the heavy lifting is done by C libraries. https://opam.ocaml.org/packages/pcre/ https://opam.ocaml.org/packages/pcre/ If you want to see how I integrated it with the interpreter the code is here: https://github.com/briangorman/reason-mal/blob/master/reader.re https://github.com/briangorman/reason-mal/blob/master/reader...