Sorting NSArray which many contain number

Question

I have an NSArray which is populated with objects from an NSMutableArray. Most of these object have integer values like \"1\", \"2\", \"3\", \"4\", \"5\", sometimes there is

Answer 1

For sorting Descending

NSArray *sortedArray = [arrayToSort sortedArrayUsingComparator:^(NSString *str1, NSString *str2) {
    return [str1 compare:str2 options:NSNumericSearch];
}];
sortedArray = [[sortedArray reverseObjectEnumerator] allObjects];`

And for asending

NSArray *sortedArray = [arrayToSort sortedArrayUsingComparator:^(NSString *str1, NSString *str2) {
    return [str1 compare:str2 options:NSNumericSearch];
}];