JSFiddle - React, Tailwind, and code Playground
by Tim Peterson
HTML
<textarea></textarea>
<div></div><button type="button">Markdownify</button>
JavaScript
$(document.body).on('click', 'button', function() {
var val=$('textarea').val();
var bolded=val.replace(/\**[A-z][0-9]**/gi, '<span style="font-weight:bold;">"'+val+'"</span>');
$('div').html(bolded);
});