擅长:python、mysql、java
<p>我将使用<code>re</code>模块</p>
<pre><code>import re
re.search(pattern, string, flags=0)
</code></pre>
<p>其中,<code>pattern</code>是要匹配的正则表达式,<code>string</code>是要搜索的字符串,<code>flags</code>是可选的修饰符。当没有匹配项时,此函数返回<code>None</code>。</p>
<p>以下是<code>re</code>文档:
<a href="https://docs.python.org/2/library/re.html" rel="nofollow noreferrer">https://docs.python.org/2/library/re.html</a></p>
<p>下面是一个实现示例:<a href="https://www.tutorialspoint.com/python/python_reg_expressions.htm" rel="nofollow noreferrer">https://www.tutorialspoint.com/python/python_reg_expressions.htm</a></p>