How To Remove String Value From Column In Pandas Dataframe

I am trying to write some code that splits a string in a dataframe column at comma (so it becomes a list) and removes a certain string from that list if it is present. after removi

Solution 1:

simply you can apply the regex b,? , which means replace any value of b and , found after the b if exists

df['Column2'] = df.Column2.str.replace('b,?' , '')

Out[238]:
Column1 Column2
0   a   a,c
1   y   n,m
2   d   n,n,m
3   d   x