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Reversing a String (Gabe Shahbazian)
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Reversing a String (Gabe Shahbazian)


  • Subject: Reversing a String (Gabe Shahbazian)
  • From: Peter Hudson <email@hidden>
  • Date: Wed, 31 Dec 2008 09:28:33 +0000

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);


PGJH

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