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🧠 Developer Tools
Regex Tester Online — Free Regular Expression Tool
Test regex patterns with live matching, flags, and capture groups.
No matches found.
How to use
- Enter regex pattern.
- Add test string.
- View matches.
Frequently Asked Questions
Which regex flavor?▼
JavaScript regular expressions (ECMAScript).
Is it safe?▼
Yes, runs entirely in your browser.
Can I test global patterns?▼
Yes, with flag support.