http.cookies._CookiePattern modifying regular expressions

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2019-01-25.03:08:24.305>
labels = ['extension-modules', 'type-feature', '3.8']
title = 'http.cookies._CookiePattern modifying regular expressions'
updated_at = <Date 2019-05-03.02:01:30.109>
user = 'https://github.com/MeiK2333'

bugs.python.org fields:

activity = <Date 2019-05-03.02:01:30.109>
actor = 'blueyed'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Extension Modules']
creation = <Date 2019-01-25.03:08:24.305>
creator = 'MeiK'
dependencies = []
files = []
hgrepos = []
issue_num = 35824
keywords = ['patch']
message_count = 10.0
messages = ['334338', '334339', '334392', '334393', '340683', '340684', '340688', '340689', '340831', '341321']
nosy_count = 4.0
nosy_names = ['blueyed', 'martin.panter', 'xtreak', 'MeiK']
pr_nums = ['11665']
priority = 'normal'
resolution = None
stage = 'patch review'
status = 'open'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue35824'
versions = ['Python 3.8']