title: How to add whitepaces between each capital letter?
body: <p>I try to write a regular expression in order to:</p>
  
  <ol>
  <li>Add white spaces between each capital letter.</li>
  <li>Remove all numbers.</li>
  </ol>
  
  <p>I have the text: <code>ClassNameOne839</code>, and I want to get the text: <code>Class Name One</code></p>
  
  <p>There is a library function which do it? or any regular expression?</p>