How to extract the host from a URL in JavaScript?

Question

Capture the domain till the ending characters $, \\?, /, :. I need a regex that captures domian.com in all of these.

domain.com:3000
do         


        

Answer 1

/^((?:[a-z0-9-_]+\.)*[a-z0-9-_]+\.?)(?::([0-9]+))?(.*)$/i

matches are host, port, path