js replace with code example

Example 1: str replace javascript all

str.replace(/abc/g, '');

Example 2: replace all javascript

str.split(search).join(replacement);

Example 3: replace javascript

let randomtext = "Random text yo!"
let textRegex = /yo!/;
randomtext.replace(textRegex, "is here.");
console.log(randomtext.replace(textRegex, "is here."));
// Returns Random text is here.