#email regex found on stackoverflow
email_regex= "([a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+)"
#to put all mails in a list from a string that refers to an html text code 
import re
import request
url = requests.get("PUT URL HERE")
html_text = url.text
emails = re.findall(email_regex, html_text)