function puliziaDati($item){
    $item = utf8_encode($item);
    $foo = preg_replace('/[^\x20-\x7E]/','',
           preg_replace('/[\|!"£$%&()=?^*+-.,;]$/m','',
           preg_replace('/^[\|!"£$%&()=?^*+-.,;]/m','',$item)));
    return utf8_encode($foo);
}