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Regex Tester

Try a regular expression and see every match immediately.

Everything runs in your browser. Nothing is sent to the server.

Matches

3 matches

  • Alice
  • Note
  • Bob

What it does

Check a regular expression against sample text while you work on code, data cleanup, or form validation.

How to use it

  1. Enter a pattern and optional flags.
  2. Paste the text to search.
  3. Review the matching strings.

Tips

  • Use g to find every match.
  • Invalid patterns show the browser error.
  • Everything stays in your browser.

FAQ

Is my text uploaded?

No. Matching happens locally in your browser.

What would make this more useful?

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