Regex Cheatsheet

Last modified: February 28, 2023
  1. home
  2. cheatsheets

Literal Character:
a
Any Character:
.
Character Set:
[abc]
Negated Character Set:
[^abc]
Range:
[a-z]

Zero or More:
a*
One or More:
a+
Zero or One:
a?

Start of Line:
^
End of Line:
$
Group:
(a)
Alternation:
a|b
Escape Special Character:
\.

Group:
\s(.*?)\s
Named Group:
(?<ip>.*?)\s
multiple named and unnamed groups:
^(?<ip>.*?)\s(.*?)\s(.*?)\s\[(.*?)\s