在 pandas dataframe 中，如何对字符串列的值进行正则表达式替换

Question

Using Jupyter, I have three gender categories in a column (m, male and female), and I want to replace "m" by "male", when I try this code, also "female" become "femaleale".

df['Gender'].replace(regex=[r'\bm\b'],value='male')

output

male
femaleale
male

...

Answer 1

df['Gender'].replace(['m'], ['male'], inplace=True)

You can try this!!