JSFiddle - React, Tailwind, and code Playground

by Marco Fucci

JavaScript

var indexes = [],
    str = "uberubiub",
    lastIndex = -1;
while (true) {
    lastIndex = str.indexOf("ub", lastIndex+1);
    if (lastIndex != -1) {
        indexes.push(lastIndex);
    } else {
        break;
    }
}
alert(indexes);