# File Naming Rules

  • Cannot be empty.
  • Cannot start with "/".
  • Cannot have consecutive "/".
  • The maximum encoding length is 850 bytes.
  • Use uppercase or lowercase letters [a-z, A-Z], numbers [0-9], and symbols (-, !, _, ., and *), or any combination of the preceding.
  • Some ASCII control characters are not allowed, including Up (↑), Down (↓), Right (→), and Left (←), corresponding to CAN (24), EM (25), SUB (26), and ESC (27).
  • If the name of the uploaded file or folder contains Chinese characters, when you access or request the file or folder, the Chinese characters are converted into a percent-encoded string according to URL Encode rules.
  • Do not use any special characters: ` ^ " \ { } [ ] ~ % # \ > <, and ASCII 128-255 in decimal.
  • Special characters that require special handling: , : ; = & $ @ + ? (Space), and ASCII code: 00-1F in hexadecimal (or 0-31 in decimal) and 7F (127 in decimal).