Hi rsriram, try like this,

use strict;
use warnings;

my $str = '<tag1>Complete</tag1><tag2>3386</tag2><tag3>77844</tag3><ta
+g4>11</tag4><tag5>30</tag5><tag6>4.7</tag6>';

if($str =~ /<tag1>Complete<\/tag1>/i)
{
$str =~ s/<tag6>(.+?)<\/tag6>/"<tag6>".( $1 * 100 )."<\/tag6>"/ei;

}
print $str;

[download]

Updated

Typo error in your replacement statement. Use 'e' option modifier for execute the statement in the replacement part.

See the documentation for further clarification perlre

Regards,
Velusamy R.

eval"print uc\"\\c$_\""for split'','j)@,/6%@0%2,`e@3!-9v2)/@|6%,53!-9@2~j';

In reply to Re: Manipulating a string in a tagged file by Samy_rio
in thread Manipulating a string in a tagged file by rsriram

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