擅长:python、mysql、java
<p>可以对<a href="http://pandas.pydata.org/pandas-docs/version/0.15.2/indexing.html#boolean-indexing" rel="nofollow noreferrer">not</a>使用<code>~</code>:</p>
<pre><code>pat = r'\b.[YF]\w+[LFI]\b'
new_df[~new_df.Sequence.str.contains(pat)]
# Sequence Rating
#1 YGEIFEKF 2
#3 YLESFYKF 4
#5 WPDVIHSF 6
</code></pre>