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Java编程:正则表达式判断邮箱及电话号码是否有效

/**

  * 正则判断邮箱及电话号码是否有效

  * @param args  

*/

 public static void main(String[] args) {

    Scanner sc = new Scanner(System.in);   

    System.out.println("请输入你的邮箱:");

    String email = sc.next();

    System.out.println("请输入你的电话号码:");

      String phone = sc.next();   

    System.out.println(isEmail(email));

     System.out.println(isPhone(phone));  

  }

   //电子邮件

  public static String isEmail(String email){

         String check = "^([a-z0-9A-Z]+[-|\\.]?)+[a-z0-9A-Z]@([a-z0-9A-Z]+(-[a-z0-9A-Z]+)?\\.)+[a-zA-Z]{2,3}$";

         Pattern regex = Pattern.compile(check);   

     Matcher matcher = regex.matcher(email);

       boolean isMatcher = matcher.matches();  

       if (isMatcher == false) {

         return "邮箱格式不正确!";

      }else {    

        return ("你的邮箱号是:" + email);  

     } 

}  

    //电话号码

    public static String isPhone(String phone) {  

     String check = "^(1[3,5][2,4,5,6,7,8,9]|15[0,8,9,1,7]|188|187)\\d{8}$";   

     Pattern regex = Pattern.compile(check);   

     Matcher matcher = regex.matcher(phone);   

     boolean isMatcher = matcher.matches();   

     if (isMatcher == false) {   

         return "请输入有效的电话号码!";   

    }else {   

         return ("你的电话号码是:" + phone);  

    }

 }