title: Regex to match not start of line
body: <p>I have the following XML tag</p>
  
  <pre><code>&lt;list message="2 &lt; 3"&gt;
  </code></pre>
  
  <p>I want to replace the <code>&lt;</code> in the text with <code>&amp;lt;</code></p>
  
  <p>Need a regex to match <code>&lt;</code> if it doesn't appear at the start of line. </p>