JSFiddle - React, Tailwind, and code Playground

HTML

<div class="innerWrapper">
Office Current Listings and stuff
    <div> this is another div</div>
    <div>and this one includes Office Current Listings and stuff</div>
    <div>Office Current Listings</div>
</div>

CSS

h2{color:green;}

JavaScript

$('div.innerWrapper').each(
        function(index) {
            var $el = $(this);
            var html = $el.html();
            $el.html(html.replace(/Office Current Listings/g, "<h2>Office Current Listings</h2>"));
    
});