XFree Regex Tester — Free, No Signup
Developer Tools
Free online regex tester and debugger. Test regular expressions with real-time match highlighting, view capture groups, test multiple patterns, and debug regex syntax. Supports JavaScript, Python, PHP and more.
⚡ Quick Answer
Tests regex patterns against sample text with match highlighting. Use XFree Regex Tester free, right on this page, no signup required.
$ Use XFree Regex Tester Now
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$ How to Use XFree Regex Tester
- 1Enter regex pattern
- 2Enter test string
- 3View matches in real-time
$ Example
test string: hello world\npattern: \w+
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$ Common Use Cases
Regular Expression Development
Build, test, and debug regex patterns with real-time matching, capture group visualization, and pattern explanations. Perfect for data extraction and validation.
$ Questions & Answers
What regex flavors are supported?
JavaScript-style regex is supported in the browser.
Can I test multiple patterns?
Yes, you can test multiple patterns and see all matches highlighted.
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