Apple uses two primary formats that your feature must be able to parse:

PostgreSQL to cache previously searched serials (to save on external API calls). 4. Implementation Example (Python/Regex)

If you are developing this as a "Free" utility, consider these key components:

If the app runs on the Mac, use the system_profiler SPHardwareDataType command in macOS to pull the serial number automatically without user input. 3. Proposed Technical Stack

Scraped (within Terms of Service) to show warranty status.

import re def validate_mac_serial(serial): # Regex for 10-12 character alphanumeric strings pattern = r'^[A-Z0-9]{10,12}$' if re.match(pattern, serial.upper()): return True return False Use code with caution. Copied to clipboard

Implement a Checksum or Regex validator to ensure the user enters a string that matches Apple’s character constraints (e.g., avoiding letters like 'O' or 'I' which Apple rarely uses to prevent confusion with '0' and '1').