Regex Tester
Test regular expressions against text with live match highlighting.
Regex Tester
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About this tool
Test regular expressions against text with live match highlighting.
How to use Regex Tester
- Paste or type your input in the Input box — or click Sample to load example data.
- Adjust the options (if any) that appear above the output.
- Click Run to see your result instantly.
- Use Copy or Download to save the output.
All processing happens locally in your browser, so your data never leaves your device.
Features
- 100% free with no sign-up or usage limits
- Runs entirely in your browser — nothing is uploaded to a server
- Sample data built in so you can try it immediately
- Copy and download your output in one click
- Works on desktop and mobile
Frequently asked questions
Is Regex Tester really free?
Yes. Every tool on TutsFx is completely free to use, forever.
Does Regex Tester send my data anywhere?
No. Regex Tester runs entirely in your browser using JavaScript, so your input never leaves your device.
Do I need an account to use it?
No account, sign-up or login is required to use any TutsFx tool.
Can I share my output?
Yes. Use the Copy or Download buttons to save your result, or take a screenshot to share it.
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