Regex Cheatsheet - Regular Expression Quick Reference
Quick reference for regular expression patterns. Character classes, quantifiers, anchors, and common patterns.
Character Class [abc]
Character ClassMatches any single character in brackets (a, b, or c)
Pattern
[abc]Syntax
Explanation
Brackets define a character set. [aeiou] matches any vowel.
Examples
[aeiou]Matches any vowel
Matches: a, e, i, o, u
gr[ae]yMatches "gray" or "grey"
Matches: gray, grey
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