Regex Tester
Test regular expressions against strings.
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Enter test string above...
How to Use Regex Tester
1
Enter your Regular Expression pattern (without the surrounding slashes).
2
Set your flags (e.g., 'g' for global, 'm' for multiline, 'i' for case-insensitive).
3
Type or paste your test string.
4
Matches will be highlighted automatically in real-time.
Important Notes
- Results are provided for informational purposes only.
- This tool runs entirely in your browser.
- Do not use this tool for malicious scanning or targeting.
Privacy & Security
- No data is sent to our servers. Everything is processed locally.
- We do not collect personal information from tool inputs.
Frequently Asked Questions
Got any other questions? Here's some of our popular ones.
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