有效的中文型用户名检测

gistfile1.aw

function check_username($username) {
  $guestexp = ‘\xA1\xA1|\xAC\xA3|^Guest|^\xD3\xCE\xBF\xCD|\xB9\x43\xAB\xC8′;
  $len = $this->dstrlen($username);
  if($len > 15 || $len < 3 || preg_match(“/\s+|^c:\\con\\con|[%,\*\"\s\<\>\&]|$guestexp/is”, $username)) {
   return FALSE;
  } else {
   return TRUE;
  }
 }