A: 

I created this with MS Excel and Latin-1 codes table from W3c

- (NSString *)replaceHtmlEntities:(NSString *)htmlCode {

    NSMutableString *temp = [NSMutableString stringWithString:htmlCode];

    [temp replaceOccurrencesOfString:@"&" withString:@"&" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@" " withString:@" " options:NSLiteralSearch range:NSMakeRange(0, [temp length])];

    [temp replaceOccurrencesOfString:@"À" withString:@"À" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"Á" withString:@"Á" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"Â" withString:@"Â" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"Ã" withString:@"Ã" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"Ä" withString:@"Ä" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"Å" withString:@"Å" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"Æ" withString:@"Æ" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"Ç" withString:@"Ç" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"È" withString:@"È" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"É" withString:@"É" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"Ê" withString:@"" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"Ë" withString:@"Ë" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"Ì" withString:@"Ì" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"Í" withString:@"Í" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"Î" withString:@"Î" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"Ï" withString:@"Ï" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"Ð" withString:@"Ð" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"Ñ" withString:@"Ñ" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"Ò" withString:@"Ò" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"Ó" withString:@"Ó" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"Ô" withString:@"Ô" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"Õ" withString:@"Õ" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"Ö" withString:@"Ö" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"Ø" withString:@"Ø" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"Ù" withString:@"Ù" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"Ú" withString:@"Ú" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"Û" withString:@"Û" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"Ü" withString:@"Ü" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"Ý" withString:@"Ý" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"Þ" withString:@"Þ" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"ß" withString:@"ß" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"à" withString:@"à" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"á" withString:@"á" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"â" withString:@"â" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"ã" withString:@"ã" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"ä" withString:@"ä" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"å" withString:@"å" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"æ" withString:@"æ" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"ç" withString:@"ç" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"è" withString:@"è" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"é" withString:@"é" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"ê" withString:@"ê" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"ë" withString:@"ë" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"ì" withString:@"ì" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"í" withString:@"í" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"î" withString:@"î" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"ï" withString:@"ï" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"ð" withString:@"ð" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"ñ" withString:@"ñ" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"ò" withString:@"ò" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"ó" withString:@"ó" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"ô" withString:@"ô" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"õ" withString:@"õ" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"ö" withString:@"ö" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"ø" withString:@"ø" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"ù" withString:@"ù" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"ú" withString:@"ú" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"û" withString:@"û" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"ü" withString:@"ü" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"ý" withString:@"ý" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"þ" withString:@"þ" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];
    [temp replaceOccurrencesOfString:@"ÿ" withString:@"ÿ" options:NSLiteralSearch range:NSMakeRange(0, [temp length])];


    return [NSString stringWithString:temp];

}
Rubycell
A: 

Thank you very much for the above code. Works without any issues.