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Re: Reversing a String (Gabe Shahbazian)
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Re: Reversing a String (Gabe Shahbazian)


  • Subject: Re: Reversing a String (Gabe Shahbazian)
  • From: "Michael Ash" <email@hidden>
  • Date: Wed, 31 Dec 2008 10:51:39 -0500

On Wed, Dec 31, 2008 at 4:28 AM, Peter Hudson <email@hidden> wrote:
> I have been using the following for a while across a number of languages
> without problems.
>
>
> NSString *s = @"Hello";
> unsigned int length  = [s  length];
> unsigned int index = length - 1;
>
> NSMutableArray *ma = [NSMutableArray  array];
>
> while( index < UINT_MAX )
> {
>        NSRange rng = NSMakeRange( index, 1 );
>        [ma  addObject:[s  substringWithRange:rng]];
>        --index;
> }
>
> NSString *reversed = [ma  componentsJoinedByString:@""];
> NSLog(@"reversed : %@",reversed);

I'm rather surprised, as this will fail on something as simple as an
accented e using a separate combining character, let alone more
complex constructs.

Mike
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 >Reversing a String (Gabe Shahbazian) (From: Peter Hudson <email@hidden>)

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