title: Get style attributes with regex from html string
body: <p>This is my html string:</p>
  
  <pre><code>&lt;p style="opacity: 1; color: #000000; font-weight: bold; font-style: italic; text-decoration: line-through; background-color: #ffffff;"&gt;100 gram n!uts&lt;/p&gt;
  </code></pre>
  
  <p>I want to get the font-weight value, if there is one. How do i do this with regex?</p>