JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-1.12.3.min.js"></script>
<span class='test'>[User Name]</span>
<span>[Name]</span>
<span>[name]</span>
<span>[]</span>
<span>[ ]</span>
<span>[sdf dsafa]</span>
<span> adsf daf</span>
<p class="item">Hi <span class="name">User Name</span> , I see you need...</p>

CSS

span {
  margin: 5px 0 15px;
  display: block;
}

JavaScript

$('span:contains("Name"),span:contains("name"),span:contains("[]"),span:contains("[ ]")').remove();