Merge pull request #10847 from jonchang/github-pat-update

github/api: update personal access token format.

Library/Homebrew/utils/github/api.rb

@@ -21,6 +21,7 @@ module GitHub
         #{ALL_SCOPES_URL}
       #{Utils::Shell.set_variable_in_profile("HOMEBREW_GITHUB_API_TOKEN", "your_token_here")}
   EOS
+  GITHUB_PERSONAL_ACCESS_TOKEN_REGEX = /^(?:[a-f0-9]{40}|ghp_\w{36,251})$/.freeze
 
   # Helper functions to access the GitHub API.
   #
@@ -125,7 +126,7 @@ module GitHub
       # Don't use passwords from the keychain unless they look like
       # GitHub Personal Access Tokens:
       #   https://github.com/Homebrew/brew/issues/6862#issuecomment-572610344
-      return unless /^[a-f0-9]{40}$/i.match?(github_password)
+      return unless GITHUB_PERSONAL_ACCESS_TOKEN_REGEX.match?(github_password)
 
       github_password
     rescue Errno::EPIPE