JSFiddle - React, Tailwind, and code Playground

HTML

<a href="/display_products/?nevim">Download File 1</a><br>
<a href="http://domain.com/download.php?url=https://www.dropbox.com/file2.rar">Download File 2</a><br>
<a href="http://domain.com/download.php?url=https://www.dropbox.com/file3.rar">Download File 3</a><br>
<a href="http://domain.com/download.php?url=https://www.dropbox.com/file4.rar">Download File 4</a><br>
<a href="http://domain.com/download.php?url=https://www.dropbox.com/file5.rar">Download File 5</a><br>
<a href="http://domain.com/download.php?url=https://www.dropbox.com/file6.rar">Download File 6</a><br>

<a href="https://www.dropbox.com/file9.rar">Download dropbox 1</a><br>
<a href="https://www.dropbox.com/file8.rar">Download dropbox 2</a><br>

<a href="https://www.google.com">Google</a><br>
<a href="https://domain.com">HomePage</a><br>

JavaScript

$(function(){
    $("a[href*='/display_products/']").each(function(){
        var t = $(this);
        var url = t.attr('href').replace('/display_products/', '');
        t.attr('href', url);
    })
})