regexCreator

// build, test, and learn regular expressions — interactively, in the browser

Build

/ /

Token palette — click to insert at cursor

Pattern breakdown

Empty pattern — type something or pick a recipe below.

Recipes — click to load pattern + sample

Test

Sample text
Matches
Match list

    Disclaimer: these pages are educational demos provided as-is, with no warranty of any kind. The author is not responsible for any consequences arising from their use.

    Send comments and bug reports to chris@chrisspackman.com.

    Version 0.2.0 — Last updated: 2026-07-28

    This page is Copyright © 2026 Chris Spackman <chris@chrisspackman.com>.
    This web site developed entirely on GNU/Linux with Free / Open Source Software.

    This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

    Creative Commons License