General 'join' an array of strings into a single string [permalink] NSArray *chunks = ... get an array, say by splitting it; string = [chunks componentsJoinedByString: @" :-) "]; would produce something like oop :-) ack :-) bork :-) greeble :-) ponies 'split' a string into an array [permalink] NSString *string = @"oop:ack:bork:greeble:ponies"; NSArray *chunks = [string componentsSeparatedByString: