How to cut a domain from a URL without www. using RegExp?

Question

Regular Expressions

There are page addresses, in Sublime Text you need to quickly cut out only the domain without "www.". The regular expression itself is almost ready (found) but I can’t finish it (misunderstand)
.*://|/.*

https://domen.site.ru/podsait/03285926/#2412747495
http://www.site.ru/site/24722305
https://www.domen.site.ru/site/247493215/site
site.ru

Answer 1

https://regex101.com/r/gFBb8y/3
Find: https?://(?:www\.|)([\w.-]+).*
Replace:$1

Answer 2

.*://|w\.*|/.*

Answer 3

import re
def domain_name(url):
match = re.search(r'[./]?(?:www.)?\w+\-?\w+[.]', url)
s = match[0]
s = s.replace('www', '')
s = s.replace('.', '')
s = s.replace('/', '')
return s