Guile regular expressions are complex and challenging to use due to their syntax and the need for backslash escaping.

Finished my series of posts on #guile regular expressions from the perspective of a #guix packager. The first post covers Guile #schemes regex implementation and the main metacharacters: https://www.futurile.net/2025/05/09/guile-scheme-regular-expressions-for-guix/ 1/3

The last post in my series on #guile regular expressions from a #guix packager perspective. This covers the advanced topics of alternation, grouping/capturing and back-references. Also, it's time to deal with backslash escaping and why regexs often look like a symbol salad of tomfoolery! https://www.futurile.net/2025/05/10/guile-scheme-regular-expressions-for-guix-grouping-escaping/ 3/3