擅长:python、mysql、java
<p>您可以使用regex来确保代码总是在<code>removeMe</code>出现在字符串末尾时才被剥离:</p>
<pre><code>import re
x = ["part2keep removeMe", "saveme removeMe", "third length to throw it off removeMe", "element to save", "KeepThisPart"]
new_x = [re.sub('\sremoveMe$', '', i) for i in x]
</code></pre>
<p>输出:</p>
<pre><code>['part2keep', 'saveme', 'third length to throw it off', 'element to save', 'KeepThisPart']
</code></pre>