判断是否邮箱格式

 public static boolean isEmail(String email) {
  String regExp = "^([a-z0-9A-Z]+[-|\\.]?)+[a-z0-9A-Z]@([a-z0-9A-Z]+(-[a-z0-9A-Z]+)?\\.)+[a-zA-Z]{2,}$";
  Pattern p = Pattern.compile(regExp);
  Matcher m = p.matcher(email);
  return m.find();

 }