how to replace / in javascript code example

Example 1: js replace characters in a string

var str = "Original string!";
var str = str.replace("Original", "New");

Example 2: replace in string javascript

const p = 'hello world ! hello everyone ! ';

const regex = /hello/gi;

console.log(p.replace(regex, 'good morning'));
// expected output: "good morning world ! good morning everyone !"

console.log(p.replace('hello', 'good evening'));
// expected output: "good evening world ! hello everyone !"

Example 3: replace javascript

// Replace with no modifiers
let newText = startText.replace("yes", "no")
console.log(newText)  // "Yes, I said no, it is, yes."

// Replace with 'g'-global modifier
newText = startText.replace(/yes/g, "no")
console.log(newText)  // "Yes, I said no, it is, no."

// Replace with modifiers 'g'-global and 'i'-case insensitive
newText = startText.replace(/yes/gi, "no")
console.log(newText)  // "no, I said no, it is, no."