ES6 - RegExp search()

This method returns the index where the match was found in the string. If no match is found, it returns -1.

Syntax

str.replace(regexp|substr, newSubStr|function)           

Parameter Details

• Regexp − A regular expression object.

• Substr − String to be replaced.

• newSubStr − The replacement string.

• function − the function to create a new string.

Return Value

Returns the index at which the match was found in the string.

Example

var str = 'Welcome to ES6.We are learning ES6'; 
var re = new RegExp(/We/); 
var found = str.search(re); 
console.log(found); 

Output

0