Regex Tester
Test regular expressions against sample text with live match highlighting. View match details, capture groups, and use common patterns from the built-in library.
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About Regular Expressions
Regular expressions (regex) are powerful pattern-matching tools used in programming, text processing, and data validation. They allow you to search, match, and manipulate strings based on patterns rather than literal characters. Mastering regex is essential for log analysis, data extraction, input validation, and text transformations.