Crate utf8mb3

Functions

• decode
  Decode the compiled string.
• encode
  Encode a four-byte string into a three-byte string, and if it is less than four-byte string, it will remain unchanged.
• include_encode_utf8mb3
  Determine whether the string contains encode character.
• include_utf8mb4
  Determine whether the string contains a four-byte character.
• is_encode_utf8mb3