title: how to split a string in js with some exceptions
body: <p>I have this string:</p>
  
  <pre><code>a\,bcde,fgh,ijk\,lmno,pqrst\,uv
  </code></pre>
  
  <p>I need a JavaScript function that will split the string by every <code>,</code> but only those that <strong>don't</strong> have a <code>\</code> before them </p>
  
  <p>How can this be done?</p>