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PERL m// Operator



Syntax

m//


Definition and Usage

This match operator is used to match any keyword in given expression. Parentheses after initial m can be any character and will be used to delimit the regular expression statement.

Regular expression variables include $, which contains whatever the last grouping match matched; $&, which contains the entire matched string; $`, which contains everything before the matched string; and $', which contains everything after the matched string.

Return Value

  • 0 on failure

  • 1 on success

Example

Try out following example:

#!/usr/bin/perl -w

$string = "The food is in the salad bar";
$string =~ m/foo/;
print "Before: $`\n";
print "Matched: $&\n";
print "After: $'\n";

It will produce following results:

Before: The
Matched: foo
After: d is in the salad bar


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