JSFiddle - React, Tailwind, and code Playground

HTML

<p>Let's try plaintext.<br/>
bommdidumpidudidoo</p>

<p id="output"></p>

JavaScript

var s = $('p').html();
var matches = s.match( /.*(plaintext)/g );

write(matches);
write(matches[0]);
write(matches[1]);



//------- whatever -------//
function write(s) {
    $('#output').html( $('#output').html() +'<br/>'+s );
}