擅长:python、mysql、java
<p>使用正则表达式。你知道吗</p>
<p><strong>例如:</strong></p>
<pre><code>import pandas as pd
df = pd.DataFrame({"Col": ["hello, I'm going to eat to the fullest today hhhhhhhhhhhhhhhhhhhhh", "Hello World"]})
#df["Col"] = df["Col"].str.replace(r"\b(.)\1+\b", "")
df["Col"] = df["Col"].str.replace(r"\s+(.)\1+\b", "").str.strip()
print(df)
</code></pre>
<p><strong>输出:</strong></p>
<pre><code> Col
0 hello, I'm going to eat to the fullest today
1 Hello World
</code></pre>