Get url img parse xml

gistfile1.txt

-(NSString *)getImgUrl:(NSString *)inputString{
    NSString *url = nil;
    NSScanner *theScanner = [NSScanner scannerWithString:inputString];
    // find start of IMG tag
    [theScanner scanUpToString:@"<img " intoString:nil];
    if (![theScanner isAtEnd]) {
        [theScanner scanUpToString:@"src" intoString:nil];
        NSCharacterSet *charset = [NSCharacterSet characterSetWithCharactersInString:@"\"'"];
        [theScanner scanUpToCharactersFromSet:charset intoString:nil];
        [theScanner scanCharactersFromSet:charset intoString:nil];
        [theScanner scanUpToCharactersFromSet:charset intoString:&url];
        // "url" now contains the URL of the img
    }
    if (url.length!=0) {
        return url;
    } else {
        return nil;
    }
}

-(NSString *)getImgTag:(NSString *)inputString{
    NSString *url = nil;
    NSScanner *theScanner = [NSScanner scannerWithString:inputString];
    // find start of IMG tag
    [theScanner scanUpToString:@"<" intoString:nil];
    if (![theScanner isAtEnd]) {
        NSCharacterSet *charset = [NSCharacterSet characterSetWithCharactersInString:@">"];
        [theScanner scanUpToCharactersFromSet:charset intoString:nil];
        [theScanner scanCharactersFromSet:charset intoString:nil];
        [theScanner scanUpToCharactersFromSet:charset intoString:&url];
        // "url" now contains the URL of the img
    }
    if (url.length!=0) {
        return url;
    } else {
        return nil;
    }
}