JSFiddle - React, Tailwind, and code Playground

HTML

<p>
    <label>item 1</label> Capture me!
    <br /><br />
    <label>item 2</label> Don't capture me
</p>

CSS

label {
    display:inline-block;    
    width:25%;
    font-weight:bold;
}

p {
    font-family:arial;
}

JavaScript

$(document).ready(function(){
    var totalText = $("p").html();
    //determine start-pos and end-pos of desired substring, and then get it
    var startPos = totalText.indexOf("</label>") + "</label>".length;
    var endPos = totalText.indexOf("<br");
    var targetText = totalText.substring(startPos,endPos).trim();
    
    console.log(targetText);
});