StringTheory - Which methods can accept RegEx notation and any RegEx methods per se?

[vitesse]

I thought I would add an update here (March 2026) just to point out that VitRegex, a powerful regex engine written in Clarion for Clarion, has been released and is available free of charge under the MIT License.

If you are reading this thread then chances are that this will be of interest:

VitRegex - New Regular Expression (Regex) engine for Clarion

Greetings all, after much slaving away at my computer I am pleased to announce the release of VitRegex, a powerful regex engine for Clarion. It is written in Clarion (and using StringTheory for much of the underlying string handling), and is available with full source code and documentation, free of charge and released under the permissive MIT license. Rather than go through all of its numerous features here, I will just post the table of contents and the introduction/foreword from the compre…