php - how to add Arabic letters to url regex

Question

how to add Arabic letters to url in regex

if (!preg_match("^(http|https|ftp)://[a-zA-Z0-9-.]+.[a-zA-Z]{2,3}(:[a-zA-Z0-9]*)?/?([a-zA-Z0-9-._?,'/\+&%$#=~])*$^",$_POST['url'])) {}

Answer 1

The best option is to use an Unicode chracter class for that. It would be p{Arabic} for your case. But don't forget that you should also add the Unicode PCRE modifier /u at the end.