url = 'https://example.com/?p=5144'
page = url.split('?p=')[-1]url = 'https://example.com/?p=5144'
page = url.replace('https://example.com/?p=', '')import re
url = 'https://example.com/?p=5144'
page = re.search(r'\?p=(\d+)', url).group(1)
import re
number = int(re.search('\?p=(\d+)"', '<a href="https://example.com/?p=5144" rel="bookmark"> example </a>').group(1))
print(number)
# 5144