# File lib/mechanize/page.rb, line 448
  def self.meta_content_type body
    body.scan(/<meta .*?>/i).reverse.map do |meta|
      if meta =~ /http-equiv\s*=\s*(["'])?content-type\1/i then
        meta =~ /content=(["'])?(.*?)\1/i

        return $2
      end
    end

    nil
  end