Allow for counting multiple elements of the same kind in sequence rules

[aireilly]

Check for existing issues

• Completed

Describe the feature

I am attempting to write a Vale rule to highlight ambiguous pronouns in a sentence. I want the rule to fire on a pronoun (PRP) or personal pronoun possessive (PRP$) only when it is preceded by 2 or more nouns in the sentence. I don't think this is possible currently. See https://studio.vale.sh/s/fa39e2d796458f6e8903cb5728807282

Note the last line in the fixture. The sequence rule doesn't handle multiple instances of the same POS tag.

Something like a min or max count field in the sequence rule would be useful for rules like this I think.

---
extends: sequence
message: "Avoid ambiguous pronouns"
level: warning
ignorecase: true
tokens:
  - tag: NN|NNP|NNPS|NNS|PERSON|GPE
    skip: 8
    min: 2
  - pattern: \w+
    tag: PRP|PRP$|WP|WP$|SYM