JSFiddle - React, Tailwind, and code Playground

HTML

<td class="player"><a>REMOVE ME 1</a>  (<span class="warning">S</span>)</td>
<td class="player"><a>SHOW ME 1</a>  (<span class="warning">T</span>)</td>
<td class="player"><a>REMOVE ME 2</a>  (<span class="warning">O</span>)</td>
<td class="player"><a>SHOW ME 2</a></td>
<td class="player"><a>SHOW ME 3</a></td>
<td class="player"><a>S</a>  (<span class="warning">SHOW ME 4</span>)</td>
<td class="player"><a>REMOVE ME 3</a>  (<span class="warning">I</span>)</td>

JavaScript

var donotcountS = 'td.player:contains(S)';
var donotcountI = 'td.player:contains(I)';
var donotcountO = 'td.player:contains(O)';

$('body').find("td.player:not("+donotcountS+"):not("+donotcountI+"):not("+donotcountO+")").remove()