"incomplete universal character name" with stringWithUTF8String

Question

when i try to convert form utf-8 string to NSString like so:

NSString *s = [NSString stringWithUTF8String:"\U0627\U0644\U0641\U0631\U0646"]; NSLog(@"%@", s); 

i get the compile error:

incomplete universal character name 

note that it sometime just works fine:

NSString *UAE = [NSString stringWithUTF8String:"\U0627\U0644\U0641\U0631\U0646"];     NSLog(@"%@", UAE); 

and the output:

الامارات 

so why is that happening? please help.

Answer 1

\U and \u are not the same thing. The \U escape expects 8 (hex) digits instead of 4.

This should work:

NSString *s = [NSString stringWithUTF8String:"\u0627\u0644\u0641\u0631\u0646"];