擅长:python、mysql、java
<p>请参阅<a href="http://docs.python.org/library/stdtypes.html#string-methods" rel="nofollow noreferrer">String methods</a>,特别是<code>partition</code>和{<cd2>}的Python文档:</p>
<pre><code>s = "CompilationStatistics_Compilation_StepList_Map_TimingUsage_ClockList_Clock_MinimumPeriod"
print s.partition('_')[2].rpartition('_')[0]
</code></pre>
<p>结果</p>
^{pr2}$