Test, debug, and validate regular expressions in real time with match highlighting and detailed results. Supports JavaScript regex syntax with flags — an essential tool for every developer.
Type your regular expression in the pattern field and set any flags (g, i, m, s).
Enter the text you want to test against your regex pattern.
All matches and capture groups are highlighted and listed below in real time.
Test, debug, and validate regular expressions in real time with match highlighting and detailed results. Supports JavaScript regex syntax with flags — an essential tool for every developer.
Our Regex Tester is completely free to use with no registration required. It works directly in your browser on any device — desktop, iPhone, Android, and tablet.regex tester, regular expression tester, regex validator — all handled instantly without any software download.
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