JSFiddle - React, Tailwind, and code Playground
JavaScript
var item = "one,two,bla,pi,so";
var lastItem = item.split(",").pop(-1);
alert(lastItem);
var input = 'bla,ble,bli/bloi/quase/ultimo';
var output = input.split(/[/ ]+/).pop(); // final
var car = input.split(/[/ ]+/).pop();
alert(output);
alert(input);