Regex Cheatsheet - Regular Expression Quick Reference
Quick reference for regular expression patterns. Character classes, quantifiers, anchors, and common patterns.
Word Boundary \b
AnchorMatches word boundary (position between word and non-word char)
Pattern
\bSyntax
Explanation
\b is a zero-width assertion matching position, not a character.
Examples
\bcat\bExact match of word "cat"
Matches: cat
\b\w+\bMatches all words
Matches: hello, world
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