title: Angular [required] not working, conditional requirement
body: <pre><code>[required]="ItemCode !== 'This' || ItemCode !== 'That'”
  </code></pre>
  
  <p>Hello, just want to check whether this line of code is correct as it doesn’t seem to work! Sorry if this is kinda a simple question to ask but I’m new to coding and can’t seem to find the answer best for my needs! Thank you all in advance.</p>
  
  <p>I’m trying to make the barcode a conditional requirement when select “this” or “that” in the dropdown lost the barcode will not be required.</p>