def extract_noindex_attribute(name)
      noindex       = extract(name)
      noindex_name  = noindex.kind_of?(String) ? noindex : 'robots'
      noindex_value = noindex ? name.to_s : nil

      [ noindex_name, noindex_value ]
    end
def extract_noindex_attribute(name)
      noindex       = extract(name)
      noindex_name  = noindex.kind_of?(String) ? noindex : 'robots'
      noindex_value = noindex ? name.to_s : nil

      [ noindex_name, noindex_value ]
    end
Extracts noindex attribute name and value without deleting it from meta tags list.

 @param [String, Symbol] name noindex attribute name.
 @return [Array<String>] pair of noindex attribute name and value.