class Elasticsearch::DSL::Search::Filters::Regexp

A filter which returns documents matching the specified regular expression

@example

search do
  query do
    filtered do
      filter do
        regexp :path do
          value '^/usr/?.*/var'
        end
      end
    end
  end
end

@see www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-regexp-filter.html