from bs4 import BeautifulSoup
import urllib.request
import re

with urllib.request.urlopen("http://w...content-available-to-author-only...e.re") as url:
html = url.read()

soup = BeautifulSoup(html, 'html.parser')
all_doc = (soup.prettify())
pattern1 = re.compile('Post.register\({(.*)}\)')
pattern3 = re.compile('[,\s]')
for line in soup:
res = pattern1.findall(str(line))
res = pattern3.split(str(res))
print(res, '\n')