bay*_*man 3 python python-3.x pandas
在 Pandas 中,如何&用 '&'替换&可能位于字符串中任何位置的所有列?
例如,在列标题中,如果有一个值“&好坏”,我该如何用“好与坏”替换它?
Use replace with regex=True for substrings replacement:
df = pd.DataFrame({'A': ['Good & bad', 'BB', 'CC', 'DD', 'Good & bad'],
'B': range(5),
'C': ['Good & bad'] * 5})
print (df)
A B C
0 Good & bad 0 Good & bad
1 BB 1 Good & bad
2 CC 2 Good & bad
3 DD 3 Good & bad
4 Good & bad 4 Good & bad
df = df.replace('&','&', regex=True)
print (df)
A B C
0 Good & bad 0 Good & bad
1 BB 1 Good & bad
2 CC 2 Good & bad
3 DD 3 Good & bad
4 Good & bad 4 Good & bad
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If want replace only one column:
df['A'] = df['A'].replace('&','&', regex=True)
print (df)
A B C
0 Good & bad 0 Good & bad
1 BB 1 Good & bad
2 CC 2 Good & bad
3 DD 3 Good & bad
4 Good & bad 4 Good & bad
Run Code Online (Sandbox Code Playgroud)
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