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regex regexp test match pattern capture group

Regex Tester

Enter a regex pattern and test text to instantly see match results and capture groups. Supports JavaScript (ECMAScript) regular expressions.

Flags

USAGE

3 simple steps

  1. 1Enter your regex pattern in the top input field
  2. 2Paste the test text in the text area below
  3. 3Matched parts and capture groups will be displayed

FAQ

Frequently Asked Questions

Q. Can I use flags (i, g, m)?

A. Yes. Write the pattern as /pattern/ig in the input field. You can combine i (case-insensitive), m (multiline), and others.

Q. Which regex engine is used?

A. The browser's JavaScript regex engine (ECMAScript-compliant) is used.

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