The s Operator and Substitution : modifier « Regular Expression « Perl

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Perl » Regular Expression » modifier

The s Operator and Substitution


    



The s operator is for substitutions. 

The g stands for global change on a line. 



Format



s/old/new/;

s/old/new/i;

s/old/new/g;

s+old+new+g;

s(old)/new/;   s[old]{new};

s/old/expression to be evaluated/e;

s/old/new/ige;

s/old/new/x;

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 supports a number of variables
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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