iOS 判斷手機號是否正確

//判斷手機號碼格式是否正確

- (BOOL)valiMobile:(NSString *)mobile

{

    mobile = [mobile stringByReplacingOccurrencesOfString:@" " withString:@""];

    if (mobile.length != 11)

    {

        return NO;

    }else{

        /**

         * 移動號段正則表達式

         */

        NSString *CM_NUM = @"^((13[4-9])|(147)|(15[0-2,7-9])|(178)|(18[2-4,7-8]))\\d{8}|(1705)\\d{7}$";

        /**

         * 聯通號段正則表達式

         */

        NSString *CU_NUM = @"^((13[0-2])|(145)|(15[5-6])|(176)|(18[5,6]))\\d{8}|(1709)\\d{7}$";

        /**

         * 電信號段正則表達式

         */

        NSString *CT_NUM = @"^((133)|(153)|(177)|(18[0,1,9]))\\d{8}$";

        NSPredicate *pred1 = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CM_NUM];

        BOOL isMatch1 = [pred1 evaluateWithObject:mobile];

        NSPredicate *pred2 = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CU_NUM];

        BOOL isMatch2 = [pred2 evaluateWithObject:mobile];

        NSPredicate *pred3 = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CT_NUM];

        BOOL isMatch3 = [pred3 evaluateWithObject:mobile];

        

        if (isMatch1 || isMatch2 || isMatch3) {

            return YES;

        }else{

            return NO;

        }

    }

}