// 判断是否是手机号

• (BOOL)isValidPhone:(NSString )phone
  {
  if (phone.length != 11)
  {
  return NO;
  }else{
  /*
  * 移动号段正则表达式
  /
  NSString CM_NUM = @"^((13[4-9])|(147)|(15[0-2,7-9])|(178)|(18[2-4,7-8]))\d{8}|(1705)\d{7}$";
  /
  * 联通号段正则表达式
  /
  NSString CU_NUM = @"^((13[0-2])|(145)|(15[5-6])|(176)|(18[5,6]))\d{8}|(1709)\d{7}$";
  /
  * 电信号段正则表达式
  */
  NSString *CT_NUM = @"^((133)|(153)|(177)|(18[0,1,9]))\d{8}$";
  NSPredicate *pred1 = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CM_NUM];
  BOOL isMatch1 = [pred1 evaluateWithObject:phone];
  NSPredicate *pred2 = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CU_NUM];
  BOOL isMatch2 = [pred2 evaluateWithObject:phone];
  NSPredicate *pred3 = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CT_NUM];
  BOOL isMatch3 = [pred3 evaluateWithObject:phone];

    if (isMatch1 || isMatch2 || isMatch3) {  
        return YES;  
    }else{  
        return NO;  
    }  
  

  }
  }