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Re: NSString comparison with locale single character error
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Re: NSString comparison with locale single character error


  • Subject: Re: NSString comparison with locale single character error
  • From: Conor Dearden <email@hidden>
  • Date: Wed, 15 Nov 2006 22:12:44 +0100

Hi David,

I have tried all of the following three ways with the same results:

    NSComparisonResult localizedCompare = [previousLetter compare:thisLetter
options:nil range:NSMakeRange(0,[previousLetter length])
locale:[[NSUserDefaults standardUserDefaults] dictionaryRepresentation]];

    localizedCompare = [previousLetter localizedCompare:thisLetter];

    localizedCompare  = CFStringCompareWithOptions((CFStringRef)
previousLetter, (CFStringRef)thisLetter, CFRangeMake (0, CFStringGetLength
((CFStringRef) previousLetter)), kCFCompareNonliteral |
kCFCompareCaseInsensitive | kCFCompareLocalized );


The letter comes from the longer word by using the methods:

NSString *thisLetter = [[sortString substringToIndex:1] uppercaseString];

Conor Dearden
http://www.bruji.com/

David Duncan wrote:

>> I have a problem I can't seem to get around. The letter A and Ä in
>> German
>> are sorted equally as part of A. "Ärzte" belongs between "Arsene"
>> and "
>> Astronaut".  When using localizedCompare: or
>> compare:options:range:locale: I
>> get the correct results when sorting the words, meaning that A and
>> Ä are
>> NSOrderedSame and the results are based on the second or third
>> letters in
>> the word. My problem is when comparing the single letters "A" and "
>> Ä" I get
>> that A belongs before Ä and do not get NSOrderedSame.
>
> How are you doing the single letter comparison?


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  • Follow-Ups:
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      • From: Deborah Goldsmith <email@hidden>
References: 
 >Re: NSString comparison with locale single character error (From: David Duncan <email@hidden>)

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