3v4l.org

run code in 300+ PHP versions simultaneously
<?php $_url_string = 'iran.co.ir'; preg_match("/[a-z0-9\-]{1,63}\.[a-z\.]{2,6}$/", parse_url($_url_string, PHP_URL_HOST), $_domain_tld); var_dump($_domain_tld);

preferences:
54.54 ms | 402 KiB | 5 Q