擅长:python、mysql、java
<p>您可以在<code>re.sub</code>的替换部分使用匿名函数</p>
<pre><code>>>> import re
>>> test = "there's a need to capitalize every word"
>>> re.sub(r'\b[a-z]', lambda m: m.group().upper(), test)
"There'S A Need To Capitalize Every Word"
</code></pre>