擅长:python、mysql、java
<p>用于<code>re.sub</code>使用</p>
<pre><code>(^|\.)(?![^.]*saturday)(?![^.]*sunday)(?![^.]*weekend)([^.]*)(brunch)
</code></pre>
<p>替换为<code>\1\2BRUNCH</code>。参见演示。你知道吗</p>
<p><a href="https://regex101.com/r/eZ0yP4/16" rel="nofollow">https://regex101.com/r/eZ0yP4/16</a></p>