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Regex Tools
8 free tools
Test, debug, and learn regular expressions with interactive tools and references.
Regex
⭐beginner
Regex Tester
test and debug regular expressions with real-time matching
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Regex
⭐beginner
Regex Cheatsheet
browse a complete regex syntax reference with live examples
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Regex
intermediate
Regex to String Generator
generate matching strings from a regex pattern
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Regex
⭐beginner
Common Regex Patterns
browse and copy 100+ common regex patterns for email, URL, phone, and more
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Regex
⭐beginner
Regex Explainer
break down a regex pattern into plain English with visual diagrams
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Regex
beginner
Regex Flags Explained
understand what regex flags g, i, m, s, u, y do with live examples
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Regex
advanced
Lookahead & Lookbehind Guide
learn lookahead and lookbehind assertions with interactive examples
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Regex
intermediate
Named Capture Groups
learn and test named capture groups in regex
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