擅长:python、mysql、java
<p>这将查找确切的ip地址:</p>
<pre><code>^(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)){3}$
</code></pre>
<p><a href="https://regex101.com/r/3biYkC/1" rel="nofollow noreferrer">https://regex101.com/r/3biYkC/1</a></p>
<p>更新时,我添加了一个词boundry到它,它似乎工作:</p>
<pre><code>\b(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)){3}\b
</code></pre>
<p><a href="https://regex101.com/r/3biYkC/2" rel="nofollow noreferrer">https://regex101.com/r/3biYkC/2</a></p>