Are you taking into account that 见,≠, and 見 are composed character sequences,
not individual unichars?
On 09 Dec 2013, at 08:46, Gerriet M. Denkmann <gerr...@mdenkmann.de> wrote:
> In 10.9.0, Xcode 5.0.2 I added these lines to applicationDidFinishLaunching:
>
> NSString *a = @"见=見見"; // 0x89c1 0x3d 0xfa0a 0x898b
> NSString *b = @"见≠見"; // 0x89c1 0x2260 0x898b
> NSRange aRange = [ a rangeOfString: b ];
> NSLog(@"%s \"%@\" (%lu shorts) occurs in \"%@\" (%lu shorts) at
> %@",__FUNCTION__,
> b, [b length], a, [a length], NSStringFromRange(aRange));
>
> And was told:
> "见≠見" (3 shorts) occurs in "见=見見" (4 shorts) at {0, 4}
>
> This comes somewhat unexpected.
>
> What am I doing wrong?
>
> Or are my expectations false?
> I would (maybe naively) expect that the shorter string could at most occur at
> {0,3}.
> I would also expect that ≠ is NOT quite the same as =.
> But then, I was wrong before.
>
> Gerriet.
>
>
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