parse_quantified (Randexp::Parser)

    # File lib/randexp/parser.rb, line 36
        def self.parse_quantified(source, multiplicity)
          case source
          when /^[^()]*$/     then quantify_rhs(parse(source), multiplicity)    #implied union: /...+/
          when /^(\(.*\))$/   then quantify(parse(source), multiplicity)        #group: /(...)?/
          when /^(.*\))$/     then quantify_rhs(parse(source), multiplicity)    #implied union: /...(...)?/
          when /^(.*[^)]+)$/  then quantify_rhs(parse(source), multiplicity)    #implied union: /...(...)...?/
          else quantify(parse(source), multiplicity)
          end
        end