擅长:python、mysql、java
<p>你可以选择:</p>
<pre><code>^.+__?(\d{2})\.(\d{2})\.(\d{2})\.xlsx$
</code></pre>
<hr/>
<p>分解这意味着:</p>
^{pr2}$
<p>见<a href="https://regex101.com/r/wu96UP/2" rel="nofollow noreferrer"><strong>a demo on regex101.com</strong></a>。另外,看看<a href="https://docs.python.org/2/library/glob.html" rel="nofollow noreferrer"><strong>^{<cd1>}</strong></a>。在</p>