Which regex syntax is supported?
JavaScript regular-expression syntax and the available flags.
Regex Tester
Workspace
Regex
Pattern
Matches
0 foundMatches appear here.
Replace
Replacement
Use $& for the full match, $1 for a group, or a named-group reference.
Details
Matches
Enter a pattern and sample text.
HelpGuide
How to use
- Enter a pattern, flags, and sample text.
- Review matches or test a replacement, then copy or download the result.
HelpFAQs
What does Global do?
It finds or replaces every non-overlapping match instead of only the first.
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