🔍 Regex Tester

Test and debug regular expressions in real time. See all matches, with support for global, case-insensitive, and multiline flags.

✓ Free forever

✓ No sign up

✓ No file size limits

✓ Works on all devices

Regular expression

g i m

Test text

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Frequently asked questions

g (global — find all matches), i (case insensitive), and m (multiline).

Yes — results update as you type in both the pattern and test text fields.

Yes, completely free, forever. No hidden fees, no subscriptions, no sign up required.

Yes — iPhone, Android, Mac, Windows, any browser. No app download needed.