iPhoneDev - Get first image in NSString.

gistfile1.m

- (NSString *)getFirstImage:(NSString *)html {
    NSString *tempText = [[NSString alloc]initWithFormat:@""];
    NSScanner *pageScanner = [NSScanner scannerWithString:html];
    [pageScanner setCaseSensitive:NO];
    [pageScanner setCharactersToBeSkipped:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
    [pageScanner scanUpToString:@"<img " intoString:nil];
    [pageScanner scanString:@"<img " intoString:nil];
    [pageScanner scanUpToString:@"src=\"" intoString:nil];
    [pageScanner scanString:@"src=\"" intoString:nil];
    [pageScanner scanUpToString:@"\"" intoString:&tempText];
    return tempText;
}