JSFiddle - React, Tailwind, and code Playground
HTML
<div class="comment-details">Hello @samplename This is my comment</div>
JavaScript
$(function() {
$('.comment-details').each(function() {
var text = $(this).innerHTML,
names = text.match(/@\w+/g);
for(var i in names) {
var name = names[i];
}
});
});