title: Find all matched selectors with RegExp in JavaScript
body: <p>Is it possible in JavaScript to find all selectors using RegExp?</p>
  
  <p>For example, how can I find all selectors <code>element1</code>, <code>element2</code>, ... <code>element21341234</code>?</p>
  
  <pre><code>document.querySelectorAll('.element + [regexp]')
  </code></pre>