+(void)baseUrls {

    NSArray *requestURLs = @[@"/api/v3.1/User​/Page/",
                             @"api/v3.1/User​/Page",
                             @"/api/v3.1/User​/Page/",
                             @"/api/v3.1/Follow/Page",
                             @"/api/v3.1/User/Follow",
                             @"/api/v3.1/User/Page",
                             @"api/v3.2/User​/Page",
                             @"api/v3.2/User​/Page/aaa/bbb"];


    NSURL *baseURL = [NSURL URLWithString:@"http://appgateway.xxx.xx-xxx.xxx.com/"];

    for (NSString *aRequestURL in requestURLs) {
        NSURL *constructedURL = [NSURL URLWithString:aRequestURL relativeToURL:baseURL];
        if (constructedURL) {
            NSLog(@"Success: %@", constructedURL.absoluteString);
        } else {
            NSLog(@"Error  : %@ + %@", baseURL.absoluteString, aRequestURL);
        }
    }
    //WORKS
    NSURL *hardCoded = [NSURL URLWithString:@"/api/v3.1/Follow/Page" relativeToURL:baseURL];
    NSLog(@"HardCoded: %@", hardCoded.absoluteString);

}