[Solved] URIs with special characters like á À ê ó ü

[eluser]umefarooq[/eluser]
really great, what about Arabic i am also looking for solution which support Arabic letters in URL using CI i have use the same method but no luck getting error on URI.php line 191

http://php.net/manual/ja/function.preg-match.php
(it was in the comments)

$pattern =’/^[-a-zA-Z0-9_\x{30A0}-\x{30FF}’
.’\x{3040}-\x{309F}\x{4E00}-\x{9FBF}\s]*$/u’;