Regex Tester
Test, debug, and visualize regular expressions with real-time matching and replacement.
Current: /pattern/gi
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Quick Tips
- • Press Ctrl + Enter to test quickly
- • All processing happens in your browser — no data is sent to any server
- • Test - Find all matches with groups
- • Replace - Replace matches with custom text
- • Split - Split text using regex
- • Use
$1, $2for capture groups in replacement - • Matches are highlighted in yellow