UtilSnapDeveloperRegex Tester

Regex Tester

Test regular expressions with live match highlighting. All JavaScript regex flags are supported.

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How to test regular expressions

  1. Enter your regex pattern and optional flags.
  2. Paste sample text to match against.
  3. Review highlighted matches and groups in real time.

Related tools: JSON Formatter, JWT Decoder

Frequently asked questions

Which regex flavor is supported?

JavaScript regular expressions as implemented by your browser engine.

Is test data uploaded?

No. Matching runs locally.