title: CMD Search a directory to Find a string inside a file
body: <p>I need to find the files in a directory that have specific strings, using Windows CMD prompt.  </p>
  
  <p>E.g., I need to find the files that have a string like this:</p>
  
  <pre><code>&lt;h1&gt;Select an Item&lt;/h1&gt;
  </code></pre>