Python正则表达式匹配Apache LogFormat“matching”

import re

log_format = r'^(\S+) (\S+) (\S+) \[([\w:/]+\s[+\-]\d{4})\] "(\S+) (\S+) (\S+)" (\d{3}) (\d+) "(\S+)" "(.*)"'

log_line = '127.0.0.1 - - [01/Jan/2022:00:00:00 +0000] "GET /index.html HTTP/1.1" 200 1234 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.93 Safari/537.36"'

match = re.match(log_format, log_line)

if match:
    ip = match.group(1)
    user = match.group(2)
    date = match.group(3)
    request = match.group(4)
    method = match.group(5)
    url = match.group(6)
    protocol = match.group(7)
    status = match.group(8)
    size = match.group(9)
    referer = match.group(10)
    user_agent = match.group(11)
    
    print("IP:", ip)
    print("User:", user)
    print("Date:", date)
    print("Request:", request)
    print("Method:", method)
    print("URL:", url)
    print("Protocol:", protocol)
    print("Status:", status)
    print("Size:", size)
    print("Referer:", referer)
    print("User Agent:", user_agent)