擅长:python、mysql、java
<p>下面是一个Perl解决方案:</p>
<pre><code>while (<DATA>) {
s/^(.+ (\d+))$/("$1" "#$2")/;
print;
}
__DATA__
Chapter 3 Convex Functions 97
3.1 Definitions 98
3.2 Basic Properties 103
</code></pre>
<p>印刷品:</p>
^{pr2}$
<p>或者作为一条直线:</p>
<pre><code>perl -pe 's/^(.+ (\d+))$/("$1" "#$2")/'
</code></pre>