If you look at HTML, you can see that this website uses a non-standard format (here - the table). Add a new parsing structure:
PROXY:
<span>(\d{1,3}\.){3}\d{1,3}<\/span>[\w\W]*?\d{2,5}<\/td>
IP:
(\d{1,3}\.){3}\d{1,3}
PORT:
(?<=[\s])\d{2,5}
It should work :)