擅长:python、mysql、java
<p>用单词边界字符<code>\b</code>包装关键字:</p>
<pre><code>df['Text'].str.replace(r'\beng\b', 'engine')
0 engine is here
1 engine needs washing
2 engine is overheating
Name: Text, dtype: object
</code></pre>
<hr/>
<p>如果要以这种方式替换多个关键字,请使用<code>regex=True</code>开关将字典传递给<code>replace</code>:</p>
^{pr2}$