How to convert NSString to bytes

Question

NSString *test = @"ABCDEFGHIJKLMNOPQRSTUVWXYZ";

How to convert this string to bytes?

Answer 1

NSData *bytes = [test dataUsingEncoding:NSUTF8StringEncoding];

Answer 2

Do you want something like this:

NSString *test=@"ABCDEFGHIJKLMNOPQRSTUVWXYZ";
NSUInteger bytes = [test lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
NSLog(@"%i bytes", bytes);