php preg_match cron regexes

<?php

return [
        'minutes'  => '/^(?:(?:[1-5]{0,1}[0-9]{1}(?:,[1-5]{0,1}[0-9]{1})*)|\*{1})$/',
        'hours'    => '/^(?:(?:[1-2]{0,1}[0-9]{1}(?:,[1-2]{0,1}[0-9]{1})*)|\*{1})$/',
        'days'     => '/^(?:[1-3]{0,1}[0-9](?:,[1-3]{0,1}[0-9])*|\*{1})$/',
        'months'   => '/^(?:(?:[1]{0,1}[0-9]{1}(?:,[1]{0,1}[0-9]{1})*)|\*{1})$/',
        'weekdays' => '/^(?:[0-7](?:,[0-7]){0,6}|\*{1})$/',
        'years'    => '/^(?:(?:20[0-9]{2}(?:,20[0-9]{2})?)|\*{1})$/'
];