You should be able to accomplish what you want using NSPredicate. You can also use the C functions topper and tolower to detect and distinguish case differences.
On Jul 20, 2010, at 1:39 PM, Roland King wrote: > I want to sort some NSStrings in such a way that words group case > insensitively, but within that group lowercase comes first, effectively I > want the sort order of letters to be > > aAbBcCdDeEfF .. etc with everything outside the letter space sorting > 'naturally' and coming after the letters (I actually don't care too much > about the last bit honestly they can go where they like as long as it's > outside the alphabet range). > > so > > myClass comes before > MyClass which comes before > yourClass which comes before > YourClass > > First off is there a defined sort routine in or around NSString which does > something like this (I found a kCFCompareForcedOrdering flag in CFString > which seems to do something similar, but possibly backwards from what I > want). I can restrict the domain to ASCII without any real issues but if > there's something which is localized, that would be better. > > I thought perhaps that comparing the two strings case insensitively, > returning that compare if they are not equal, but if they are equal, > comparing them case sensitively and returning the inverse of that (remember I > want a to beat A) would do what I want but I've failed to convince myself > that actually works. > > Is there an NSString or CFString method I should be looking at or am I off to > roll my own? _______________________________________________ > > Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) > > Please do not post admin requests or moderator comments to the list. > Contact the moderators at cocoa-dev-admins(at)lists.apple.com > > Help/Unsubscribe/Update your Subscription: > http://lists.apple.com/mailman/options/cocoa-dev/3tothe4th%40comcast.net > > This email sent to 3tothe...@comcast.net Charlie Dickman 3tothe...@comcast.net _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
