This is not a good approach for a number of reasons.
First, Unicode distinguishes between a "code point" (an encoded
character), a "code unit" (one 16-bit unichar), and a "grapheme
cluster" (what the user thinks of as a character). They're all
different. A grapheme cluster may consist of one or more code points,
which in turn may each consist of one or two code units. You need to
use [NSString rangeOfComposedCharacterAtIndex:] to find the boundaries
of an end-user character.
Second, %c means "a single byte in the current legacy encoding". Since
characterAtIndex: returns a 16-bit code unit, you want %C, not %c.
Anyone who is considering writing code that looks through the contents
of an NSString (as opposed to just treating the whole string as a
unit) needs to learn the basics of processing Unicode.
http://www.unicode.org/faq/
Deborah Goldsmith
Apple Inc.
[EMAIL PROTECTED]
On Aug 8, 2008, at 5:25 AM, Phil Faber wrote:
I'm a newbie myself but this might help you:
As far as I know,
[ob characterAtIndex:<num>]
(replacing <num> with the character you are after)
..will extract the single character at index <num>.
For example:
NSLog(@"%c",[ob characterAtIndex:i]);
Outputs to the console that character in question.
Phil
On 8 Aug 2008, at 05:27, SridharRao M wrote:
Hi,I want to retrieve characters from NSString Can any one guide me
how to
do it.
Ex:
NSString *ob=@"TEST Object";
Now how to retrieve the "Test Object " value into my Char Array.
Regards,
Sri.
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