typescript string parse contains substring code example

Example 1: how to check whether a string contains a substring in typescript online

const string = "foo";
const substring = "oo";

console.log(string.includes(substring));

Example 2: how to check whether a string contains a substring in typescript online

const string = "https://dmzlgw-bhdcdev.test.att.com";
const substring = "att.com";

console.log(string.includes(substring));