JSFiddle - React, Tailwind, and code Playground

by Blink

HTML

<a href="http://www.mountainwarehouse.com/footwear/hiking-boots/mens/excalibur-waterproof-boot-p7483.aspx">test</a>
<a href="http://www.mountainwarehouse.com/blah/hiking-boots/mens/excalibur-waterproof-boot-p4383.aspx">test</a>
<a href="http://google.com">test</a>

CSS

a {
    display:block
}

JavaScript

var regex = /p[0-9]+.aspx$/
$('a').each(function() {
    if (regex.test(this.href)) {
        $(this).append(' found me!')
    }
})