Do you mean this?

#!/usr/bin/env perl 
use strict;
use warnings;

my @owner_grouprights = ('11', '14');

my @matches = grep { /4|5|6|7|8|9|10|11|12/ } @owner_grouprights;

if (@matches) {
    print "test2";
}
[download]

Use "smartmatch" at your peril.