Regex Tester
Test regular expressions with live matching and group capture visualization.
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Online Regex Tester Guide
Regular expressions (regex) are powerful patterns used to match, search, and replace text. This tool lets you test regex patterns in real-time with instant visual feedback.
Regex Flags
g— Global: find all matchesm— Multiline: ^ and $ match line boundariesi— Case-insensitive matchings— Dotall: . matches newlines