如何删除 python 中 pandas df 列中某个字符之前的所有字符

Question

How to remove all the characters before " \ "

column1

absc \ efgcvc \ Hello
hij \ klsm \ Hey
qssdrs \ uv \ yellow

I would like to have the output as below:

column1

Hello
Hey
Yellow

Answer 1

Using str.replace we can try:

df["column1"] = df["column1"].str.replace(r'^.*\\\s*', '')

Answer 2

df = pd.DataFrame({'column1':['absc \ efgcvc \ Hello','hij \ klsm \ Hey','qssdrs \ uv \ yellow']})
df2 = pd.DataFrame(columns=['column1'])
for i in range (0,3,1):
    a = df.iloc[i,0];
    a = (a.split(' \ '))
    df2 = df2.append({'column1': a[2]}, ignore_index=True)

print(df2)