Regex Tester — Free Online
Enter a regular expression pattern and test it against your text with live match highlighting.
Regex Pattern
/
/
g
Quick Patterns
Test String
Match Results
0 matches
Enter a pattern and test string to see matches.
Replace
Replace Result
Enter a replace pattern to see the result.
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Frequently Asked Questions
Q. Which regex flavor is used?
JavaScript RegExp is used, which is compatible with most modern programming languages.
Q. What flags are supported?
Global (g), case-insensitive (i), and multiline (m) flags are all supported.
Q. Are match groups shown?
Yes. Capture groups are displayed alongside each match result.