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Regex Tester

Test regular expressions with live matches and highlights.

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Matches (0)

  • No matches yet.

How it works

  1. Enter a regex pattern and flags.
  2. Paste text to test against.
  3. Matches and counts update instantly.

FAQ

Does it support global matches?

Yes. Use the g flag to return all matches with indices.

Why do I see errors?

Invalid regex syntax will show a helpful error message.

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