- var_dump: documentation ( source)
- mb_regex_encoding: documentation ( source)
- mb_ereg: documentation ( source)
- mb_eregi: documentation ( source)
- mb_internal_encoding: documentation ( source)
<?php
mb_internal_encoding('UTF-8');
mb_regex_encoding('UTF-8');
var_dump(mb_eregi('Ü','ü'));
var_dump(mb_ereg("[Ü]","ü"));