擅长:python、mysql、java
<p>您可以在<a href="https://docs.python.org/2/library/re.html#re.sub" rel="nofollow noreferrer">^{<cd1>}</a>中反向引用匹配的组</p>
<pre><code>>>> import re
>>> s = "Some show 14x01 - the one where they do thing 1"
>>> re.sub(r"(\d{2}).(\d{2})", r"S\1E\2",s)
>>> 'Some show S14E01 - the one where they do thing 1'
</code></pre>
<p>这里<code>\1</code>指第一匹配组,<code>\2</code>指第二匹配组</p>