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PERL tr /// Function


Syntax

tr/SEARCHLIST/REPLACEMENTLIST/


Definition and Usage

This is not a function. This is the transliteration operator; it replaces all occurrences of the characters in SEARCHLIST with the characters in REPLACEMENTLIST.

Return Value

  • Number of characters replaced or deleted.

Example

#!/usr/bin/perl -w

$string = 'the cat sat on the mat.';
$string =~ tr/a-z/b/d;

print "$string\n";

It will produce following results: Here option d is used to delete matched characters

 b b   b.

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