anchor.diff:  +h(2, "quantifiers") Using quantifiers
   
   p
  -    | Token specifiers may have quantifiers attached to them, by setting the "OP" key
  -    | to one of the following values:
  +    | Token specifiers may have quantifiers attached to them, by setting the
  +    |  #[code "OP"] key to one of the following values:
   
   +table([ "Name", "Description", "Example"])
       +row
  
positive.code:         +cell optional, max one
  
  p
      | Thus the following matcher will match "Hello, World" or "Hello world" or "Hello - - world":
      
  +code.
      matcher = Matcher(nlp.vocab)
      matcher.add_pattern("HelloWorld", [{LOWER: "hello"}, {IS_PUNCT: True, 'OP': '*'}, {LOWER: "world"}])
  
negative.code: +code.
      from spacy.matcher import Matcher
      from spacy.attrs import IS_PUNCT, LOWER
  
      matcher = Matcher(nlp.vocab)
      matcher.add_pattern("HelloWorld", [{LOWER: "hello"}, {IS_PUNCT: True}, {LOWER: "world"}])
  
  