擅长:python、mysql、java
<p>以下是如何使用<code>rfind()</code>方法查找字符串中最后出现的<code>'/'</code>的索引(如果有):</p>
<pre><code>import re
with open('access_log.txt', 'r') as myfile:
for line in myfile:
st = line.split()
print([a[a.rfind('/')+1:] for a in st if a.endswith('.js')])
</code></pre>
<p>输出:</p>
<pre><code>['jquery.js']
['jquery.js']
['jquery.jshowoff2.js']
['jquery.min.js']
['jquery.sho.min.js']
</code></pre>