<p>下面是一个示例,说明如何使用<strong>regex</strong>和<a href="https://www.digitalocean.com/community/tutorials/understanding-list-comprehensions-in-python-3" rel="nofollow noreferrer"><strong>list comprehension</strong></a>将与模式匹配的所有文件收集到一个列表中。然后,您可以在后面的代码中使用该列表</p>
<pre><code>import os
import re
# Compile the regular expression pattern.
re_emea = re.compile('^EMEA_(G|BC)_Tracker_20\d{2}_KW\d{1,2}.xlsx$')
# Set path to be searched.
path = '/home/username/Desktop/so/emea_files'
# Collect all filenames matching the pattern into a list.
files = [f for f in os.listdir(path) if re_emea.match(f)]
# View the results.
print(files)
</code></pre>
<h3>目录中的所有文件:</h3>
<pre><code>['EMEA_G_Tracker_2020_KW2.xlsx',
'other_file_3.txt',
'EMEA_G_Tracker_2020_KW1.xlsx',
'other_file_2.txt',
'other_file_5.txt',
'other_file_4.txt',
'EMEA_BC_Tracker_2019_KW52.xlsx',
'other_file_1.txt',
'EMEA_G_Tracker_2019_KW52.xlsx',
'EMEA_BC_Tracker_2020_KW2.xlsx',
'EMEA_BC_Tracker_2020_KW1.xlsx']
</code></pre>
<h3>模式匹配的结果:</h3>
<pre><code>['EMEA_G_Tracker_2020_KW2.xlsx',
'EMEA_G_Tracker_2020_KW1.xlsx',
'EMEA_BC_Tracker_2019_KW52.xlsx',
'EMEA_G_Tracker_2019_KW52.xlsx',
'EMEA_BC_Tracker_2020_KW2.xlsx',
'EMEA_BC_Tracker_2020_KW1.xlsx']
</code></pre>
<p>希望这有帮助!如果没有,就喊我一声</p>