You can use regular expressions for this. You are using one in your rtrim sub but maybe you haven't explored yet what they can do. For example: 
my $account = '12340612121';
print "it matches 406\n" if $account=~/406/;

[download]
will identify the pattern "406" in the long string and print "it matches 406"

In reply to Re: Removing element of an array by tospo
in thread Removing element of an array by cesear

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