title: String into a matrix of strings with javascript
body: <p>How can I convert string into a matrix of strings in javascript?
  This string:</p>
  <pre><code>str = &quot;[[52827397, 09/02/2021 01:57, Carl], [93575415, 09/02/2021 01:58, Kevin], [45805703, 10/02/2021 01:41, Brian]]&quot;; 
  </code></pre>
  <p>must become like this (programmatically):</p>
  <pre><code>var str = &quot;[[&quot;52827397&quot;, &quot;09/02/2021 01:57&quot;, &quot;Carl&quot;], [&quot;93575415&quot;, &quot;09/02/2021 01:58&quot;, &quot;Kevin&quot;], [&quot;45805703&quot;, &quot;10/02/2021 01:41&quot;, &quot;Brian&quot;]]&quot;;
  </code></pre>
  <p>Thank you!</p>