JavaRegex校正郵箱和手機號

[html]  import java.util.regex.Matcher;  import java.util.regex.Pattern;  public class CheckMobileAndEmail {      /**        * 驗證郵箱地址是否正確        * @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,}$";         Pattern regex = Pattern.compile(check);         Matcher matcher = regex.matcher(email);         flag = matcher.matches();        }catch(Exception e){         flag = false;        }                return flag;       }       /**        * 驗證手機號碼        * @param mobiles        * @return  [0-9]{5,9}        */       public static boolean isMobileNO(String mobiles){        boolean flag = false;        try{         Pattern p = Pattern.compile("^((13[0-9])|(15[^4,\\D])|(18[0,5-9]))\\d{8}$");         Matcher m = p.matcher(mobiles);         flag = m.matches();        }catch(Exception e){         flag = false;        }        return flag;       }              //驗證是否是數字     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;           }  }