title: ag-grid cell edit allow only numbers
body: <p>How to make simple input type=&quot;number&quot; in ag-grid cell?
  something like this:</p>
  <pre><code>cellRenderer: params =&gt; {
          if (isNaN(Number(params.value))
          {
              return params.value.replace(/[^0-9\.]+/g, '');
          } else {
              return params.value;
          }
      }
  </code></pre>