NSString *textURL = @"http://www.yoururl/";
    NSURL *cleanURL = [NSURL URLWithString:[NSString stringWithFormat:@"%@", textURL]];
    [[UIApplication sharedApplication] openURL:cleanURL];

    NSString *textURL = @"http://www.yoururl/";
    NSURL *cleanURL = [NSURL URLWithString:[NSString stringWithFormat:@"%@", textURL]];
    [[UIApplication sharedApplication] openURL:cleanURL];