擅长:python、mysql、java
<p>试试<code>str.contains</code></p>
<pre><code>>>> import pandas as pd
>>> df = pd.DataFrame({'Description':['Ketchup400J', 'Ketchup400K', 'Mustard400J', 'Ketchup300K','Mustard300K'],'Quantity':range(5),'Date':pd.date_range(start='1/1/2019',periods=5, freq='D')})
>>> df
Description Quantity Date
0 Ketchup400J 0 2019-01-01
1 Ketchup400K 1 2019-01-02
2 Mustard400J 2 2019-01-03
3 Ketchup300K 3 2019-01-04
4 Mustard300K 4 2019-01-05
>>> df[df.Description.str.contains('400')]
Description Quantity Date
0 Ketchup400J 0 2019-01-01
1 Ketchup400K 1 2019-01-02
2 Mustard400J 2 2019-01-03
</code></pre>