TypeScript | String search() Method

The search() is an inbuilt function in TypeScript that is used to search for a match between a regular expression and this String object. 
Syntax:

string.search(regexp);

Parameter: This methods accept a single parameter as mentioned above and described below: 

• regexp: This parameter is a RegExp object.

Return Value: This method returns the index of the regular expression inside the string. Otherwise, it returns -1. 
Below example illustrate the  String search() method in TypeScriptJS:

Example 1:

Javascript

// This is TypeScript
// Original strings
var str = "Geeksforgeeks - Best Platform";

var re = /Best/gi;

// use of String search() Method
if (str.search(re) == -1 ) {
  console.log("Not Found" );
} else {
  console.log("Found" );
}

Output:

Found

Example 2:

JavaScript

// This is TypeScript
// Original strings
var str = "Geeksforgeeks - Best Platform";

var re = /geeek/gi;

// use of String search() Method
if (str.search(re) == -1 ) {
    console.log("Not Found" );
} else {
    console.log("Found" );
}

Output:

Not Found