You could use this:
#!/usr/bin/perl

use strict;
use warnings;

my @numbers = ('012345','0123456');
@numbers    = sort{length $b <=> length $a}@numbers;
my $regex   = join('|',@numbers);

my $string = '0123456778945';

$string =~ s!^($regex)(.*)!$1;$2!;
print $string;

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In reply to Re: Regex only the longes Value , and possible speedup Problem by reneeb
in thread Regex only the longes Value , and possible speedup Problem by ultibuzz

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