Regular expression for checking website url

Question

I need to check the web address, using regular expression.

if user type url as

1. www.test.com
2. http://www.test.com
3. https://www.test.com

Answer 1

Use the following program for validating the website URL.

It will be validating the following and any valid website URL.

1. www.test.com
2. http://www.test.com
3. https://www.test.com