擅长:python、mysql、java
<p>这对你有帮助。你知道吗</p>
<pre><code>import re
title = "Seance1' : 9.25/20"
re.search(r'(?<=(\:\s))[\d\.]+(?=[\/])', title).group()
</code></pre>
<p>正则表达式<a href="https://regex101.com/r/kVjH1E/1" rel="nofollow noreferrer">demo</a></p>