Auto-adjust as you go... 

#!/usr/bin/perl -l

# http://perlmonks.org/?node_id=551038

use strict;
use warnings;

$_ = 'ABDBACCBBBCBDDBCDCBCCDBABCBABBBBBADACDABACC';

my $n = 0;

$n = length $1 while /((.)\2{$n,})/g;

print "longest run: $n"

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hehehe

In reply to Re: Longest possible run of a single character by Anonymous Monk
in thread Longest possible run of a single character by srdst13

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