The easy answer is to have a look at the code:
[...]
$whiteSpace = $this->allowWhiteSpace ? '\s' : '';
if (!self::$_unicodeEnabled) {
// POSIX named classes are not supported, use alternative a-zA-Z0-9 match
$pattern = '/[^a-zA-Z0-9' . $whiteSpace . ']/';
[...]So yes, 'mypass_&231' would be filtered into 'mypass231' -- Vianney Devreese - Lepidosteus http://lepidosteus.com
