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[英]Pandas: Remove all characters before a specific character in a dataframe column
[英]How to remove all characters before a certain character in pandas df column in python
如何删除“\”之前的所有字符
column1
absc \ efgcvc \ Hello
hij \ klsm \ Hey
qssdrs \ uv \ yellow
我想要 output 如下:
column1
Hello
Hey
Yellow
使用str.replace
我们可以尝试:
df["column1"] = df["column1"].str.replace(r'^.*\\\s*', '')
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)
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