Regex Tester

Test regular expressions with highlighting.

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Runs in your browser. Your data never leaves your device.

Is Regex Tester free?

Yes. You can use Regex Tester for free without installing anything. A free account gives you higher daily limits, and paid plans remove most limits.

Is it safe to use?

Yes. Regex Tester runs completely in your browser, so your data never leaves your device.

Do I need to install any software?

No. Regex Tester works in any modern web browser on Windows, Mac, Linux, Android and iPhone.

Does it work on mobile phones?

Yes. The page adapts to any screen size, so you can use it on your phone or tablet just like on a computer.

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