JSFiddle - React, Tailwind, and code Playground

JavaScript

var a = "api/Node-1/{Node-1}/Node-1-1/{Node-1-1}";

var arr = a.split("/");

for (var i=0; i<arr.length; i++) {

	var word = arr[i].replace(/[^a-zA-Z1-9- ]/g, "");
  if (word=="Node-1"){
  arr[i] = arr[i].replace("Node-1", "Learning");
	}
}

newString = arr.join("/");
console.log(newString);