Regex Tester
Test regular expressions with live matches.
Write a regular expression and see live matches highlighted against your test string.
//g
How to use this tool
- 1
Write your pattern
Choose flags like g, i, m or s.
- 2
Paste a test string
Matches highlight automatically.
Frequently asked questions
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This tool runs entirely in your browser. Your data is never uploaded or sent to our servers.