title: Replace <a href=> links to <img src=> images
body: <p>I'm looking for a way to find/replace links to images.</p>
  
  <p>For example, the following text:</p>
  
  <pre><code>&lt;a href="http://domain.com/arbitrary-file.jpg"&gt;Text&lt;/a&gt;
  </code></pre>
  
  <p>to</p>
  
  <pre><code>&lt;img src="http://domain.com/arbitrary-file.jpg" /&gt;
  </code></pre>