Regex Tester
Test regular expressions with live matches and groups.
Developer tool
2 matches
- #1 @14 hello@example.com
- #2 @35 support@site.io
How to use Regex Tester
- Open Regex Tester. Open the tool page — no account or installation is needed.
- Add your input. Type, paste or upload the content you want to process.
- Adjust the options. Fine-tune the available settings until the preview matches what you need.
- Copy or download. Use the copy or download button to save the result to your device.
Frequently asked questions
Is the Regex Tester free to use?+
Yes. Regex Tester is completely free, with no signup, no watermark and no usage limits.
How does the Regex Tester work?+
Test regular expressions with live matches and groups. Everything runs in your browser, so your input is processed on your own device.
Is my data uploaded to a server?+
No. This tool processes your input locally in the browser. Files and text never leave your device unless a tool explicitly states it calls an external API.
Can I use Regex Tester on mobile?+
Yes. The interface is responsive and works on phones, tablets and desktops in any modern browser.
Where can I find similar developer tools?+
Browse the Developer Tools category for related utilities, or use the search box to find any tool instantly.