JSFiddle - React, Tailwind, and code Playground

JavaScript

var d = "<table>\
   <tr>\
       <td>some data I don't want.</td>\
       <td>\
       <table><tr><td>more data I don't want</td></tr></table>\
       Text I want to extract here.\
       </td>\
   </tr>\
</table>";

var c = $(d).find('tr > td:eq(1)')
            .children('table')
            .remove()
            .end()
            .text();

alert( c );