For those who search for a unicode regular expression example using preg_match here it is:
Check for Persian digits
preg_match( "/[^\x{06F0}-\x{06F9}\x]+/u" , '۱۲۳۴۵۶۷۸۹۰' );
For those who search for a unicode regular expression example using preg_match here it is:
Check for Persian digits
preg_match( "/[^\x{06F0}-\x{06F9}\x]+/u" , '۱۲۳۴۵۶۷۸۹۰' );