擅长:python、mysql、java
<p>使用布尔索引引用<a href="http://pandas.pydata.org/pandas-docs/stable/indexing.html#boolean-indexing" rel="nofollow">document</a></p>
<pre><code> In [143] df[df.column_a.str.contains(r'\bwar.*')]
Out [143]
0 warsaw
2 warszawa
4 warsawa
10 warschau
</code></pre>
<p>如果有空值,请执行以下操作:</p>
^{pr2}$