search string javascript code example

Example 1: js indexof regex

//regular indexof
let a = 'asbdais sbbdias isajdij';
a.indexOf('ias');
// with regex:
let a = 'asbdais sbbdias isajdij';
a.search(/ias/g);

Example 2: js string search

var str = "This is a test sentence";
var hasTest = str.includes("test");

if(hasTest == true){
	//do a thing 
}

Example 3: search inside a string javascript

var string = "Hello world!";
var n = string.search("w"); //now n equals 6