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Published a new post on regular expressions in Guile Scheme:

https://www.futurile.net/2025/05/09/guile-scheme-regular-expressions-for-guix/

Guix packaging often involves using regex to alter sources. So understanding this is really useful - a deep dive to cover all the parts of Guile's POSIX Extended Regular Expressions implementation.

This is part 1 covering basic literal matching, character sets, POSIX character classes and backslash shortcuts. Two further posts on the way!

Been working on it since May (now Sept) 😅

#guix #guile #regex