擅长:python、mysql、java
<p>使用<code>split()</code>:</p>
<pre><code>s = '321@5=85@45@41=#=I-LOVE-STACK-OVER-FLOW=#=3234@41@=q#$^1=@=xx$q=@=xpa$=4319'
st = '=#='
ed = '=#='
print((s.split(st))[1].split(ed)[0])
</code></pre>
<p>使用<code>regex</code>:</p>
<pre><code>import re
s = '321@5=85@45@41=#=I-LOVE-STACK-OVER-FLOW=#=3234@41@=q#$^1=@=xx$q=@=xpa$=4319'
print(re.search('%s(.*)%s' % (st, ed), s).group(1))
</code></pre>
<p><strong>输出</strong>:</p>
<pre><code>I-LOVE-STACK-OVER-FLOW
</code></pre>