title: How to get span tag content using preg_match function?
body: <p>I have the following HTML code:</p>
  
  <pre><code>&lt;span role="button" class="a-n S1xjN" tabindex="0"&gt;414,817 people&lt;/span&gt;
  </code></pre>
  
  <p>How to use  <code>preg_match</code> function to get the <code>414817</code> number?</p>