String NSString * str = @"test"; NSString * str = [NSString stringWithFormat:@"%@ = %d", aName, aNumber]; NSString *str = [NSString stringWithString:@"Fubar"]; - Replace string NSString *firstString = @"I'm a noob at Objective-C", *finalString; finalString = [[firstString stringByReplacingOccurancesOfString:@"O" withString:@"0"] stringByReplacingOccurancesOfString:@"o" withString:@"0"]; NSStri
