re模块出现NameError: name 'r' is not defined，求解答

Question

import requests
import re


domain = "https://www.dytt8.net/index.htm"
try:
    headers = {
        "User-Agent": "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.25 Safari/537.36 Core/1.70.3870.400 QQBrowser/10.8.4405.400"
    }
    resp = requests.get(domain, headers = headers)  
    resp.raise_for_status()
    resp.encoding = resp.apparent_encoding 
except:
    print("F")    


obj = re.compile(r"2021新片精品.*?<ul>(?P<film>.*?)</ul>", re.S)
obj1 = re.compile(r"<a href='(?P<href>.*?)'", re.S)
obj2 = re.compile(r'◎片　　名　(?P<movie_name>.*?)<br />.*?<a target="_blank" href="(?P<download>.*?)">', r.S)

result1 = obj.finditer(resp.text)
child_href = []
for it in result1:
    ul = it.group('film')

出现以下报错：

Traceback (most recent call last):
File "D:\python\工程\pythonProject\re 进入子页面获取.py", line 24, in
obj2 = re.compile(r'◎片　　名　(?P.?)
.?

', r.S)NameError: name 'r' is not defined https://ask.csdn.net/(?P%3Cdownload%3E.*?)

Process finished with exit code 1 why？求解答 https://ask.csdn.net/(?P%3Cdownload%3E.*?)

Answer 1

obj2=这一行最后的r.S改成re.S