.* Regular Expression Tester (Regex)
Test your regex in real time with match highlighting and captured groups list
Free online Regular Expression Tester (Regex)
Our Regular Expression Tester (Regex) tool is completely free and works directly in your browser. Test your regex in real time with match highlighting and captured groups list. No signup required, no data sent to any server.
How to use this tool?
Simply fill in the fields above and the result appears instantly. Our regular expression tester (regex) supports regex, regular expression, pattern, flags. The tool is optimized for both mobile and desktop.
Why use SmartGap Tools?
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Frequently Asked Questions
How to use Regular Expression Tester (Regex)?
Simply fill in the fields above. Results appear in real time, no signup or download required.
Is Regular Expression Tester (Regex) free?
Yes, Regular Expression Tester (Regex) is 100% free with no usage limits and no intrusive ads.
Is my data secure?
Yes, everything is processed locally in your browser. No data is sent to our servers.