title: change color from text except everything is between tags <b>
body: <p>How to change the color only from text except everything is between tags ?</p>
  
  <p>Sample text:</p>
  
  <pre><code>&lt;b&gt;A7&lt;/b&gt;      &lt;b&gt;D&lt;/b&gt;
  this is a test
  &lt;b&gt;A7+&lt;/b&gt;      &lt;b&gt;G9&lt;/b&gt;
  this is a test
  </code></pre>