Regex Tester
Test regular expressions instantly — free and no sign-up
Write your regular expression, toggle the flags you need, and paste your test text. See matches highlighted in real time with capture groups.
//g
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Quick reference
How it works
- 1Type your regular expression in the pattern field. Use the quick reference for common patterns.
- 2Toggle flags as needed: g to find all matches, i to ignore case.
- 3Paste the text you want to analyze. Matches are highlighted automatically.
- 4Switch to the "Replace" tab to preview how the text would look with substitutions.
Frequently asked questions
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