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freeCodeCamp/curriculum/challenges/chinese/07-scientific-computing-with-python/python-for-everybody/regular-expressions-matching-and-extracting-data.md

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id, title, challengeType, videoId, bilibiliIds, dashedName
id title challengeType videoId bilibiliIds dashedName
5e7b9f0b0b6c005b0e76f06f 正则表达式:匹配和提取数据 11 LaCZnTbQGkE
aid bvid cid
975629041 BV1i44y1b7hE 414167130
regular-expressions-matching-and-extracting-data

--question--

--text--

该程序会打印出什么?

import re
s = 'A message from csev@umich.edu to cwen@iupui.edu about meeting @2PM'
lst = re.findall('\\S+@\\S+', s)
print(lst)

--answers--

['csev@umich.edu', 'cwen@iupui.edu']


['csev@umich.edu']


['umich.edu', 'iupui.edu']


['csev@', 'cwen@']

--video-solution--

1