title: delete html comment tags using regexp
body: <pre><code>This is how my text (html) file looks like
      &lt;!--
       |                                |
       |  This is a dummy comment       |
       |      please delete me          |
       |         asap                   |
       |                                |
        ________________________________
       | --&gt;
  
      this is another line 
      in this long dummy html file...
      please do not delete me
  </code></pre>
  
  <p>I'm trying to delete the comment using sed :</p>
  
  <pre><code>cat file.html | sed 's/.*&lt;!--\(.*\)--&gt;.*//g'
  </code></pre>
  
  <p>It doesn't work :( What am I doing wrong?</p>
  
  <p>Thank you very much for your help!</p>