/**      *       * 判断是否是邮箱      *       * @param mobile 手机号码      * @return boolean      */     public static boolean isEmail(String email)     {         if (email==null||email.equals(""))         {             return false;         }                  String check = "^(\\w+((-\\w+)|(.\\w+))*)+\\w+((-\\w+)|(.\\w+))*@([0-9a-z]+(\\.[a-z]{2,})+)$";         Pattern regex = Pattern.compile(check);         Matcher matcher = regex.matcher(email);                  return matcher.matches();     }               /**      *       * 判断字符串是否是手机号码      *       * @param mobile 字符串      * @return boolean      */     public static boolean isMobile(String mobile)     {         boolean isMobile = Boolean.FALSE;         try         {             Long.parseLong(mobile);             isMobile = Boolean.TRUE;         }         catch (NumberFormatException nfe)         {             isMobile = Boolean.FALSE;         }                  if (mobile.startsWith("1") && 11 == mobile.length())         {             isMobile = Boolean.TRUE;         }         else         {             isMobile = Boolean.FALSE;         }                  return isMobile;     }