擅长:python、mysql、java
<p>通过第一次出现分隔符,可以将<a href="http://pandas.pydata.org/pandas-docs/stable/generated/pandas.Series.str.split.html" rel="nofollow noreferrer">^{<cd1>}</a>与<a href="http://pandas.pydata.org/pandas-docs/stable/generated/pandas.Series.str.rsplit.html" rel="nofollow noreferrer">^{<cd2>}</a>一起使用:</p>
<pre><code>df[['location','position']] = df.pop('row').str.split('-', n=1, expand=True)
df[['position','company']] = df['position'].str.rsplit('-', n=1, expand=True)
print (df)
location position company
0 india manager intel
1 india sales-manager amazon
2 banglore ccm- head - county jp morgan
</code></pre>