擅长:python、mysql、java
<p>可以使用正则表达式为文件名列表构建一些非常重要的过滤器:</p>
<pre><code>import re
filenames = [
"_filename_example1",
"_filename_examples",
"filename_example2",
"_filename_example_",
]
regex = re.compile("_.*\d")
selected = filter(regex.match, filenames)
for s in selected:
print(s)
</code></pre>
<p>给定的示例只显示<strong>\u filename\u example1</strong>,因为它以<em>\ueem>开头,以<em>number</em>结尾。你知道吗</p>