lude: <span class="QUOTE">"//advert1.jpg"</span>, <span class=
      "QUOTE">"/nasty/ads/advert1234.gif"</span>, <span class="QUOTE">"/banners/from/hell/advert99.jpg"</span>. It
      would not match <span class="QUOTE">"advert1.gif"</span> (no leading slash), or <span class=
      "QUOTE">"/adverts232.jpg"</span> (the expression does not include an <span class="QUOTE">"s"</span>), or
      <span class="QUOTE">"/advert1.jsp"</span> (<span class="QUOTE">"jsp"</span> is not in the expression
      anywhere).<