Difference between revisions of "Regular Expressions"

Revision as of 23:02, 17 January 2018

.	Any character except newline	\c	Control character
\d	Digit	\D	non Digit
\s	Whitespace	\S	non Whitespace
\w	Word character [A-Za-z0-9]	\W	non Word character
^	Start of string	$	End of string
*	0 or more matches of previous expression
+	1 or more matches of previous expression
?	0 or 1 matches (optional). Stop search as soon as next expression is found (non greedy)

@@ Line 1: / Line 1: @@
 {| class="wikitable"
 |-
-|.||Any character except newline
+|.||Any character except newline||\c||Control character
 |-
-|\d||Digit
+|\d||Digit||\D||non Digit
 |-
-|\s||Whitespace
+|\s||Whitespace||\S||non Whitespace
+|-
+|\w||Word character [A-Za-z0-9]||\W||non Word character
+|-
+|^||Start of string||$||End of string
 |-
 |*||0 or more matches of previous expression
 |-
-|+||1 or more matches of previous expression
+|<nowiki>+</nowiki>||1 or more matches of previous expression
+|-
+|<nowiki>?</nowiki>||0 or 1 matches (optional). Stop search
+as soon as next expression is found (non greedy)
 |}