擅长:python、mysql、java
<p>您想要<code>re.search</code>而不是{<cd2>}。从<a href="http://docs.python.org/2/library/re.html#search-vs-match" rel="nofollow">docs</a>:</p>
<blockquote>
<p><strong>7.2.5.3. search() vs. match()</strong></p>
<p>Python offers two different primitive operations based on regular
expressions: <code>re.match()</code> checks for a match only at the beginning of
the string, while <code>re.search()</code> checks for a match anywhere in the
string (this is what Perl does by default).</p>
</blockquote>