class Gitlab::PageLinks

def extract_links(header)
  header.split(DELIM_LINKS).each do |link|
    LINK_REGEX.match(link.strip) do |match|
      url = match[1]
      meta = match[2]
      next if !url || !meta || METAS.index(meta).nil?
      send("#{meta}=", url)
    end
  end
end