<ruleset name="Kayak">
  <target host="kayak.com" />
  <target host="www.kayak.com" />
  <target host="www.kayak.co.uk" />
  <target host="kayak.co.uk" />

  <rule from="^http://(?:www\.)?kayak\.com/" to="https://www.kayak.com/"/>
  <rule from="^http://(?:www\.)?kayak\.co\.uk/" to="https://www.kayak.co.uk/"/>
</ruleset>

