Searching external or internal webpages

Nothing fancy needed for this beginning example. I have linked the box above to the script code I'm about to show you. Go ahead (no looking back and cheating now) and type a word or two you think was probably contained in that HTML page. All the script does is tell you whether or not it is there and how many times the search criteria appeared on each line of HTML. 

each_line = fgetss($the_page, 255);
  if($type != "exact"
  {
      if(eregi($search_criteria, $each_line, $results))
     {
      // for each line where there is a match, increment a counter
      $size ;
     }
  }
   else
  {
       // ok let search using CASE SENSITIVE matches only
      if(ereg($search_criteria, $each_line, $results))
      {
         // for each line where there is a match, increment a counter
        $size ;
      }
  }