擅长:python、mysql、java
<p>如果将模式编译为<a href="https://docs.python.org/2/library/re.html#re.RegexObject" rel="nofollow">RegexObject</a>,则不必创建lambda,因为只需使用对象的<a href="https://docs.python.org/2/library/re.html#re.RegexObject.match" rel="nofollow"><strong>^{<cd1>}</strong></a>方法:</p>
<pre><code>pattern = re.compile("(?![A-Z]{2}\d{2}\s+[A-Z]{3}$)")
foreign_numbers = list(filter(pattern.match, number_plates))
</code></pre>
<p>为每个车牌号调用<code>match</code>方法,如果匹配,<code>filter</code>将保留它。在</p>