title: XML filter from a select box
body: <p>Does maybe someone know how to filter a XML tree for this selected value? I need the &quot;B3&quot; String for another use in Selenium.</p>
  <p>Would be great if someone could help me. :)</p>
  <p>Thanks a lot in advance!</p>
  <p><a href="https://i.stack.imgur.com/HIIZR.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/HIIZR.png" alt="example" /></a></p>