擅长:python、mysql、java
<p>将<code>re.sub</code>与<code>re.IGNORECASE</code>一起使用:</p>
<pre><code>import re
s = "She's The Best On The Sea"
s[0] + re.sub('s', '$', s[1:], flags=re.IGNORECASE)
</code></pre>
<p>输出:</p>
<pre><code>"She'$ The Be$t On The $ea"
</code></pre>