Regex Tester
Free regex tester. Test regular expressions against text with live match highlighting, capture groups, and flags support. Includes a cheat sheet. Runs in your browser.
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About the Regex Tester
The Regex Tester runs entirely in your browser. Your data never leaves your device — there's no upload to any server. This keeps your files and information completely private while delivering instant results.
Free regex tester. Test regular expressions against text with live match highlighting, capture groups, and flags support. Includes a cheat sheet. Runs in your browser. It's free, requires no sign-up, and works on any device — desktop or mobile.