擅长:python、mysql、java
<p>像这样?在</p>
<pre><code>>>> line = "'AMS_Investigation|txtt.co_BigtittedBlondOtherNight_1371078139195_+14155186442', {'cf:rv': '0'}"
>>> re.subn('_(\d+)_', '_mynewnumber_', line, count=1)
("'AMS_Investigation|txtt.co_BigtittedBlondOtherNight_mynewnumber_+14155186442', {'cf:rv': '0'}",
1)
</code></pre>