typescript string contains substring code example

Example 1: angular string contains

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

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

Example 2: angular string contains

var string = "foo";
var substring = "oo";

console.log(string.indexOf(substring) !== -1);

Example 3: typescript string contains

const test = 'Hello World';
if (test.includes('World')) { 
  // Found world
}

Example 4: 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));