Frequently Asked Questions

Find answers to common questions about Regex Tester.

Is this tool free to use?

Yes, Regex Tester is completely free to use with no sign-up required. We support ourselves through non-intrusive advertising.

Is my data safe?

All processing happens entirely in your browser. Your data is never sent to any server or stored anywhere. You can verify this by using the tool while disconnected from the internet.

Does it work on mobile devices?

Yes, Regex Tester is fully responsive and works on smartphones, tablets, and desktop computers.