Regular Expression Tester
Test JavaScript regular expressions online and inspect matches and capture groups.
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Enter a regular expression and test text to see matches and capture groups.
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Online JavaScript regular expression tester
Enter a regular expression and test text to inspect matches and capture groups. This tool uses the browser’s JavaScript RegExp syntax and is useful for frontend development and quick checks of common patterns.
Which regular expression syntax does this tool support?
It uses the current browser’s JavaScript RegExp syntax, including standard flags and capture groups. Other regex engines may differ in escaping, lookarounds, and other features.