title: Extract a substring using PowerShell
body: <p>How can I extract a substring using PowerShell?</p>
  
  <p>I have this string ...</p>
  
  <pre><code>"-----start-------Hello World------end-------"
  </code></pre>
  
  <p>I have to extract ...</p>
  
  <pre><code>Hello World
  </code></pre>
  
  <p>What is the best way to do that?</p>