I’m using the regex to search for all instances of the string that matches Hello[n] pattern.

var str = 'Hello[0] hello[2] hell Welcome to JavaScript.';
var regex = /hello+/gi;
var result = str.match(regex);

The code above produces the following outcome.

[ 'Hello', 'hello' ]

I want to know how to modify my regex to produce the following result.

[ 'Hello[0]', 'hello[1]',..... ]

>Solution :

If you want to include the number, you’ve to change the Regex to hello\[\d+\]+.
Working example: https://regex101.com/r/Xtt6ds/1

So you get:

var str = 'Hello[0] hello[2] hell Welcome to JavaScript.';
var regex = /hello\[\d+\]+/gi;
var result = str.match(regex);