kCFStringEncodingASCII
kCFStringEncodingASCII is a constant representing the ASCII character encoding within the Core Foundation framework of Apple's operating systems, including macOS and iOS. It is a foundational encoding, defining 128 characters, primarily comprising uppercase and lowercase English letters, digits, punctuation marks, and control characters. ASCII forms the basis of many other character encodings, and its simplicity makes it widely understood and compatible.
When working with text data in Core Foundation, specifying kCFStringEncodingASCII indicates that the data should be
For broader compatibility and to handle international characters, encodings like UTF-8, which is a superset of