JSFiddle - React, Tailwind, and code Playground

HTML

<p>This is some text*</p>
<p>This is some more* text</p>

CSS

.red { color: red; }

JavaScript

console.log($("body :contains('*')"));
$("body :contains('*')").html(function() {
    return $(this).html().replace('*', '<span class="red">*</span>');
});