Regex Tester
Test regular expressions with real-time matching and group highlighting — 100% local
//g
How to use Regex Tester
Enter your regex pattern and flags, paste your test string, and click Test. Matches are highlighted with their position and capture groups displayed in a table.
Why test regex locally?
Your test data may contain sensitive log entries, code, or personal information. Devault runs the regex engine entirely in your browser.