http://qs321.pair.com?node_id=382640


in reply to Finding longest palindrome from a string

sub bgreenlee { my $str = shift; my $longest = ''; while ($str =~ /(?=(.*)(.?)((??{reverse $1})))/g) { $longest = "$1$2$3" if length("$1$2$3") > length($longest); } return $longest; }

-b