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Perl | substitution Operator
  • Last Updated : 07 May, 2019

Substitution Operator or ‘s’ operator in Perl is used to substitute a text of the string with some pattern specified by the user.

Syntax: s/text/pattern

Returns: 0 on failure and number of substitutions on success

Example 1:




#!/usr/bin/perl -w
  
# String in which text 
# is to be replaced
$string = "GeeksforGeeks";
  
# Use of s operator to replace
# text with pattern
$string =~ s/for/to/;
  
# Printing the updated string
print "$string\n";
Output:
GeekstoGeeks

Example 2:




#!/usr/bin/perl -w
  
# String in which text 
# is to be replaced
$string = "Hello all!!! Welcome here";
  
# Use of s operator to replace
# text with pattern
$string =~ s/here/to Geeks/;
  
# Printing the updated string
print "$string\n";
Output:
Hello all!!! Welcome to Geeks
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