stringBetweenString

- (NSString*)stringBetweenString:(NSString*)start

                       andString:(NSString*)end

                     innerString:(NSString*)str

{

    NSScanner* scanner = [NSScanner scannerWithString:str];

    [scanner setCharactersToBeSkipped:nil];

    [scanner scanUpToString:start intoString:NULL];

    if ([scanner scanString:start intoString:NULL]) {

        NSString* result = nil;

        if ([scanner scanUpToString:end intoString:&result]) {

            return result;

        }

    }

    return nil;

}