Java regular expression verification email and phone number examples

package com.firewolf.utils;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
 * 使用正则表达式验证输入格式
 * @author liuxing
 *
 */
public class RegexValidateUtil {
 public static void main(String[] args) {
  System.out.println(checkEmail("14_8@qw.df"));
  System.out.println(checkMobileNumber("071-3534452"));
 }
 /**
  * 验证邮箱
  * @param email
  * @return
  */
 public static boolean checkEmail(String email){
  boolean flag = false;
  try{
    String check = "^([a-z0-9A-Z]+[-|_|\\.]?)+[a-z0-9A-Z]@([a-z0-9A-Z]+(-[a-z0-9A-Z]+)?\\.)+[a-zA-Z]{2,}$";
    Pattern regex = Pattern.compile(check);
    Matcher matcher = regex.matcher(email);
    flag = matcher.matches();
   }catch(Exception e){
    flag = false;
   }
  return flag;
 }
 
 /**
  * 验证手机号码
  * @param mobiles
  * @return
  */
 public static boolean checkMobileNumber(String mobileNumber){
  boolean flag = false;
  try{
    Pattern regex = Pattern.compile("^(((13[0-9])|(15([0-3]|[5-9]))|(18[0,5-9]))\\d{8})|(0\\d{2}-\\d{8})|(0\\d{3}-\\d{7})$");
    Matcher matcher = regex.matcher(mobileNumber);
    flag = matcher.matches();
   }catch(Exception e){
    flag = false;
   }
  return flag;
 }
}