擅长:python、mysql、java
<p><a href="https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.Series.str.replace.html" rel="nofollow noreferrer">^{<cd1>}</a>将<a href="https://regex101.com/r/TEHIJB/2" rel="nofollow noreferrer">^{<cd2>}</a>(列名开头或结尾的一个或多个空格)替换为<code>""</code>(无)</p>
<pre class="lang-py prettyprint-override"><code>df.columns = df.columns.str.replace("^[ ]+|[ ]+$", "", regex=True)
</code></pre>