擅长:python、mysql、java
<p>您可以在列表上应用筛选器,以仅授权常用字符。
诸如此类:</p>
<pre><code>import os
import re
directories = os.listdir('.')
# Before filter
print(directories)
# Filtered
d = list(filter(lambda x: re.match("[a-zA-Z\d\_\-]+", x), directories))
print(d)
Output:
Before filter: ['main.py', '¥']
Filtered: ['main.py']
</code></pre>