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freeCodeCamp/curriculum/challenges/chinese/07-scientific-computing-with-python/python-for-everybody/regular-expressions-matching-and-extracting-data.md
Randell Dawson 94f0cf0ef8 chore(learn): Remove remaining isHidden keys from frontmatter (English and Chinese challenges) (#39809)
* fix: remove isHidden key from tool template

* fix: removed isHidden key from English challenges

* fix: remove isHidden key from Chinese challenges
2020-10-08 14:18:47 +02:00

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---
id: 5e7b9f0b0b6c005b0e76f06f
challengeType: 11
videoId: LaCZnTbQGkE
---
## Description
<section id='description'>
</section>
## Tests
<section id='tests'>
```yml
question:
text: |
What will the following program print?:
```python
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@']
solution: 1
```
</section>