46 lines
621 B
Markdown
46 lines
621 B
Markdown
---
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id: 5e7b9f0b0b6c005b0e76f06f
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title: '正则表达式：匹配和提取数据'
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challengeType: 11
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videoId: LaCZnTbQGkE
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bilibiliIds:
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aid: 975629041
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bvid: BV1i44y1b7hE
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cid: 414167130
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dashedName: regular-expressions-matching-and-extracting-data
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---
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# --question--
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## --text--
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该程序会打印出什么？
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```python
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import re
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s = 'A message from csev@umich.edu to cwen@iupui.edu about meeting @2PM'
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lst = re.findall('\\S+@\\S+', s)
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print(lst)
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```
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## --answers--
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['csev@umich.edu', 'cwen@iupui.edu']
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---
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['csev@umich.edu']
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---
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['umich.edu', 'iupui.edu']
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---
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['csev@', 'cwen@']
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## --video-solution--
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1
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