Regex Cheatsheet

Quick reference for common regular expression patterns.

Basics

.Any character

\dDigit (0-9)

\wWord char (a-z,A-Z,0-9,_)

\sWhitespace

\bWord boundary

^Start of string

$End of string

Quantifiers

*0 or more

+1 or more

?0 or 1

{3}Exactly 3

{3,}3 or more

{3,5}3 to 5

Groups

(abc)Capture group

(?:abc)Non-capture group

a|bEither a or b

[abc]Any of a, b, c

[^abc]Not a, b, or c

[a-z]Range a to z

Common Patterns

\b[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Z]{2,}\bEmail

https?://[^\s]+URL

\b\d{3}[-.]?\d{3}[-.]?\d{4}\bPhone

\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\bIPv4

#[0-9A-Fa-f]{6}HEX Color

About Regex Cheatsheet

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