<?php
namespace Respect\Validation\Rules;

class MacAddress extends AbstractRule
{
    public function validate($input)
    {
        return !empty($input) && preg_match('/^(([0-9a-fA-F]{2}-){5}|([0-9a-fA-F]{2}:){5})[0-9a-fA-F]{2}$/', $input);
    }
}