擅长:python、mysql、java
<p>你在找这个吗?在</p>
<pre><code>In [1]: import re
In [2]: l = ['A1S3', 'B2B4', 'C3S3', 'D4D4', 'E5B3', 'F6D1']
In [3]: l2=filter(lambda x:re.match(r'^[CD]\d.*',x), l)
In [4]: l
Out[4]: ['A1S3', 'B2B4', 'C3S3', 'D4D4', 'E5B3', 'F6D1']
In [5]: l2
Out[5]: ['C3S3', 'D4D4']
</code></pre>