Regex Tester
Test regular expressions live with capture groups and flavor reference.
Examples
— click any card to loadFrequently Asked Questions
- Is Regex Tester free to use?
- Yes, Regex Tester is completely free. No account, no signup, and no payment is ever required.
- Does Regex Tester send my data to a server?
- No. Regex Tester runs entirely in your browser. Your data is never uploaded to any server — all processing happens locally on your device.
- Can I use Regex Tester offline?
- Yes. Once the page has loaded, Regex Tester works without an internet connection. No network requests are made when you use the tool.