Java正则表达式校验邮箱和手机号

import java.util.regex.Matcher;  import java.util.regex.Pattern;  public class CheckMobileAndEmail {   /**     * 验证邮箱地址是否正确     * @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,}$";      Pattern regex = Pattern.compile(check);      Matcher matcher = regex.matcher(email);      flag = matcher.matches();     }catch(Exception e){      flag = false;     }          return flag;    }    /**     * 验证手机号码     * @param mobiles     * @return  [0-9]{5,9}     */    public static boolean isMobileNO(String mobiles){     boolean flag = false;     try{      Pattern p = Pattern.compile("^((13[0-9])|(15[^4,\\D])|(18[0,5-9]))\\d{8}$");      Matcher m = p.matcher(mobiles);      flag = m.matches();     }catch(Exception e){      flag = false;     }     return flag;    }        public static boolean isNum(String number){      boolean flag = false;      try{       Pattern p = Pattern.compile("^[0-9]{5}$");       Matcher m = p.matcher(number);       flag = m.matches();      }catch(Exception e){       flag = false;      }      return flag;     }  }