JSFiddle - React, Tailwind, and code Playground

by nevkatz

HTML

<div id="root">

</div>

JavaScript

var str = 'http://zambia-letsread-steppingstone.edc.org';

function dev_url(pre, separator, str) {
  let arr = str.split(/(\/\/)/);

  let prefix = pre + separator;
  
  let protocol = arr[0], slashes = arr[1], domain = arr[2];

  let url = protocol + slashes + prefix + domain;
  
  return url;
}
var d_url = dev_url('stage','-',str); 

root.textContent = d_url;