Regex cheat sheet - captainash.com

Tuesday 08 December 2015

Regex cheat sheet

[abc]	A single character: a, b or c
[^abc]	Any single character but a, b, or c
[a-z]	Any single character in the range a-z
[a-zA-Z]	Any single character in the range a-z or A-Z
^	Start of line
$	End of line
A	Start of string
z	End of string
.	Any single character
s	Any whitespace character
S	Any non-whitespace character
d	Any digit
D	Any non-digit
w	Any word character (letter, number, underscore)
W	Any non-word character
b	Any word boundary character
(...)	Capture everything enclosed
(a\|b)	a or b
a?	Zero or one of a
a*	Zero or more of a
a+	One or more of a
a{3}	Exactly 3 of a
a{3,}	3 or more of a
a{3,6}	Between 3 and 6 of a

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