@query = params[:query]
    pretty_keywords = []
    index_keywords = []

    Pericope.split(@query, /[\r\n,;]/).each do |keyword|
      if keyword.is_a?(Pericope)
        pretty_keywords << keyword.to_s
        index_keywords << "(#{keyword.to_a.join(" | ")})"
      else
        keyword = keyword.strip
        if keyword.length > 0
          p keyword
          pretty_keywords << keyword
          index_keywords << keyword
        end
      end
    end