擅长:python、mysql、java
<p>其中一个对我有效的方法是:</p>
<pre><code>.+(\\.+)$
</code></pre>
<p><a href="https://regex101.com/r/sI7bW4/1" rel="noreferrer">Try it online!</a></p>
<p>说明:</p>
<pre><code>.+ - any character except newline
( - create a group
\\.+ - match a backslash, and any characters after it
) - end group
$ - this all has to happen at the end of the string
</code></pre>