PERL s/// Function

Syntax

s/PATTERN/REPLACE/

Definition and Usage

Not a function. This is the regular expression-substitution operator. Based on the regular expression specified in PATTERN, data is replaced by REPLACE. Like m//, the delimiters are defined by the first character following s.

Return Value

0 on failure
Number of substitutions made on success

Example

#!/usr/bin/perl -w

$string = "This is Test";
# this will replcase Test with Best.
$string =~ s/Test/Best/;

print "$string\n";

It will produce following results:

This is Best