title: Substring of a variable in batch
body: <p>I have a variable defined in a batch file as follows</p>
  
  <pre><code>set "SERVERNAME=VKR\SQL2012"
  </code></pre>
  
  <p>I need to extract VKR from this. Is there a way I could do this?</p>
  
  <p>I tried this </p>
  
  <pre><code>set "value=%SERVERNAME:*\=%"
  echo %value%
  </code></pre>
  
  <p>which returned SQL2012 but not VKR</p>