JSFiddle - React, Tailwind, and code Playground

by Peter Hozák

HTML

<script src="https://code.jquery.com/jquery-2.2.3.min.js"></script>
<div class='byline'>
  <div>some excerpt</div>
  geplaatst door
  <span class="name">Author's name</span>
  May, 2015
</div>

JavaScript

$(function() {
  var elem = $(".byline:contains(May)")
  var new_html = elem.html().replace(
    /((?:^|>)\s*)[^<>]+May[^<>]+(\s*(?:<|$))/g,
    "$1Posted during period of May$2");
  elem.html(new_html);
});