private final Pattern EMAIL = Pattern.compile("[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}");
@RequestMapping(value = "/register/query", method = RequestMethod.GET)
private final Pattern EMAIL = Pattern.compile("[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}");
@RequestMapping(value = "/register/query", method = RequestMethod.GET)