code: def plus(self, n):
      return self.concat(n, self.star(n))
  
file_path: whoosh/src/whoosh/automata/reg.py
imports: from whoosh.automata.fsa import ANY, EPSILON, NFA
label_desc: Use image node_id 10 for calling the RegexBuilder obj's underlying member method code with example usage: obj.plus(n) and returns: self