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Regex Tester

Write a pattern, paste text and see every match as you type.

Runs in your browser · files never leave your device

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What you get with the Regex Tester

  • Free to use: no sign-up, no watermark, no limits
  • Private: runs in your browser and nothing is uploaded
  • Works on phones, tablets and computers
  • Instant results with one-click copy or download

How to use the Regex Tester

  1. 1

    Type a pattern and choose flags.

  2. 2

    Paste the test text.

  3. 3

    See matches and groups, and try a replacement.

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