Question: What will this URL pattern match? url(r'^\$', views.hello)

1. a string beginning with the letter Ra string beginning with the letter R
2. an empty string at the server root
3. a string containing ^ and $a string containing ^ and $
4. an empty string anywhere in the URLan empty string anywhere in the URL

Answer: The correct answer of the above question is Option B:an empty string at the server root