JSFiddle - React, Tailwind, and code Playground

HTML

<body>

<p>Click the button to replace "Node-1" with "Learning"</p>

<p id="demo">api/Node-1/{Node-1}/Node-1-1/{Node-1-1}</p>

<button onclick="myFunction()">Try it</button>

<script>
function myFunction() {

    var str = document.getElementById("demo").innerHTML; 
    var res = 'api/Node-1/{Node-1}/Node-1-1/{Node-1-1}';
    document.getElementById("demo").innerHTML = res.replace(new RegExp("Node-1\(?!-1)","gi"),"Learning");
}
</script>

</body>