title: php remove "_" from this context
body: <p>I have file with this text</p>
  
  <pre><code>&lt;Actions&gt;&lt;action_0&gt;extractNumbersFromString&lt;/action_0&gt;&lt;action_1&gt;extractNumbersFromString&lt;/action_1&gt;&lt;/Actions&gt;
  </code></pre>
  
  <p>I would like to remove the <code>_number</code> from it.</p>
  
  <p>how please?</p>
  
  <h3>Note</h3>
  
  <p>the file is not formatted as XML. In other words, there are no "enter" but all the text comes after each other.</p>