1  extends: existence
2  message: "Use the Oxford comma in '%s'."
3  link: https://docs.microsoft.com/en-us/style-guide/punctuation/commas
4  scope: sentence
5  level: suggestion
6  nonword: true
7  tokens:
8    - '(?:[^\s,]+,){1,} \w+ (?:and|or) \w+[.?!]'