JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://ajax.microsoft.com/ajax/jquery.validate/1.7/jquery.validate.js"></script>
<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.2/themes/ui-lightness/jquery-ui.css">
<div>
  <p>
      <strong>(07-27) 21:28 PDT SAN< FRANCISCO</strong> -- San Francisco
    supervisors ended more than a decade...
  </p>
  <p>The 10-1 vote, with only Supervisor Chris Daly dissenting</p>
</div>
and

<div>
  <p>(07-28) 08:59 PDT WASHINGTON --</p>
  <p>Orders to U.S. factories for big-ticket manufactured goods fell...</p>
</div>

CSS

div {
    color: blue;
    padding: 20px;
    
}

JavaScript

var $result = $(':first-child:not(:has(*)):contains(" PDT ")');

alert( $result.length );