SO - 24303463

by Arun P Johny

HTML

<div class="entry-content">
    <p>Jhony bought a laptop for £1,500.00</p>
    <p>Alex bought a desk for £500.00</p>
</div>

CSS

.price {
    color:green;
}

JavaScript

$('.entry-content p').html(function (i, html) {
    //the regex is not complete
    return html.replace(/(£(\d{1,3},)*\d+\.\d{2})/, '<span class="price">$1</span>')
})