pandas删除反斜杠后面内容
时间: 2023-10-14 12:25:48 浏览: 31
Sure, I can help with that. You can use the .replace() method in pandas to replace the backslash and everything after it with an empty string. Here's some code that should work:
```python
import pandas as pd
# create a sample dataframe
df = pd.DataFrame({
'col1': ['abc\def', 'ghi\jkl', 'mno\pqr'],
'col2': [1, 2, 3]
})
# use the .replace() method to remove everything after the backslash
df['col1'] = df['col1'].str.replace(r'\\.*', '', regex=True)
# print the updated dataframe
print(df)
```
This will output:
```
col1 col2
0 abc 1
1 ghi 2
2 mno 3
```
In this example, the .replace() method searches for a backslash followed by any number of characters, and replaces that with an empty string. The `regex=True` argument tells pandas to treat the search string as a regular expression.
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