title: Powershell regex to add white space after line so character count equals 15
body: <p>Could I use a regular expression in Powershell to add white spaces after items in an array so the character length of each item equals 15?</p>
  
  <pre><code>Dog[12 spaces]
  Tiger[10 spaces]
  Elephant[7 spaces]
  </code></pre>
  
  <p>Thanks.</p>