JSFiddle - React, Tailwind, and code Playground

HTML

<div class="WorkingHours">
M,W,Th,F 7:30 AM - 4:00 PM<br />Tu 7:30 AM - 6:00 PM<br />
</div>

JavaScript

$('.WorkingHours').html(function(i, html) {
    return html.replace(/<br \/>/g, " "); 
});