Substitution Example : substitution « Regular Expression « Perl






  1. Perl
  2. Regular Expression
  3. substitution

Substitution Example

    

use strict;
use warnings;

my $string = "Hello to the world";

print "The original string is: \"$string\"\n";
$string =~ s/world/planet/;
print "s/world/planet/ changes string: $string \n\n";








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5.Substitute N with J
6.Substitute every T with M
7.Substitute first T with an M
8.Substitute first occurrence of "blue" with "red"
9.Substitute tom with Mary
10.Substitution Modifiers
11.Using substitutions to clean up input data.
12.Capitalize all sentences
13.Using Patterns with Substitutions
14.Changing substitution delimiters
15.Increase salary with pattern match
16.Evaluate replacement
17.Alternation: /John|Karen|Steve/ will match a line containing John or Karen or Steve.
18.Options for the S Operator
19.Ignore case, global substitution