title: Replace Html inside Pre tag using Regex
body: <p>How can I replace Html inside pre tag?  I would prefer to do that with Regex</p>
  
  <pre><code>&lt;html&gt;
  &lt;head&gt;&lt;/head&gt;
  &lt;body&gt;
  &lt;div&gt;
  &lt;pre&gt;
  
      &lt;html&gt;
      &lt;body&gt;
      -----&gt; hello! ----&lt; 
      &lt;/body&gt;
      &lt;/html
  
  &lt;/pre&gt;
  &lt;/div&gt;
  &lt;/body&gt;
  </code></pre>