JavaScript Regex Tutorial
Interactive Regex Tutorial
Matches:
Regex Cheat Sheet
Character Classes
.- Any character except newline\w- Word character (a-z, A-Z, 0-9, _)\d- Digit (0-9)\s- Whitespace character[abc]- Any of a, b, or c[^abc]- Any character except a, b, or c
Quantifiers
*- 0 or more+- 1 or more?- 0 or 1{n}- Exactly n times{n,}- n or more times{n,m}- Between n and m times
Anchors
^- Start of string$- End of string\b- Word boundary
Groups and Lookaround
(abc)- Capture group(?:abc)- Non-capturing group(?=abc)- Positive lookahead(?!abc)- Negative lookahead
Learn More
Regular expressions are a powerful tool for pattern matching and text manipulation. To dive deeper into regex, check out these resources:
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