title: Is there any specific for google drive file_id
body: <p>I want to know max-length and possible character type for google drive file_id, to save file_id in DATABASE.</p>
  
  <p>I could not find file_id's specific in the reference <a href="https://developers.google.com/drive/v3/web/about-sdk" rel="noreferrer">https://developers.google.com/drive/v3/web/about-sdk</a></p>