擅长:python、mysql、java
<p>使用<a href="https://docs.python.org/2/library/string.html#format-string-syntax" rel="noreferrer">String format</a>:</p>
<pre><code>search = "whattolookfor"
regex2=re.compile(".*({}).*".format(search))
</code></pre>
<p>字符串中的<code>{}</code>将替换为<code>whattolookfor</code></p>