The s operator supports a number of variables : modifier « Regular Expression « Perl

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Perl » Regular Expression » modifier

The s operator supports a number of variables


    



$& contains the matched string; 

$` (a backtick character) contains everything before the matched string; 

$' contains everything after the matched string.

Related examples in the same category

1.	The e Modifier Evaluating an Expression
2.	The e modifier
3.	The g Modifier Global Substitution
4.	The m Operator and Matching
5.	The m modifier controls the behavior of the $ and ^ anchor metacharacters.
6.	The s Modifier-The Dot Metacharacter and the Newline
7.	The s Operator and Substitution
8.	The x Modifier: The Expressive Modifier
9.	The i Modifier Case Insensitivity
10.	\B matches only if the pattern is contained in a word.
11.	The \s metasymbol and whitespace
12.	ei modifier
13.	Use /gc to remember position
14.	Use \G to match rest of text
15.	The \S metasymbol and nonwhitespace
16.	Matching Modifiers
17.	Inline Modifiers

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