pandas convert all string columns to lowercase
df = df.applymap(lambda s:s.lower() if type(s) == str else s)pandas convert all string columns to lowercase
df = df.applymap(lambda s:s.lower() if type(s) == str else s)how to apply lower string dataframe python
>>> df['x'].str.lower()
0 one
1 two
2 NaN
Name: x, dtype: objectpandas check match string lowercase
# credit to the Stack Overflow user in the source link
# (?i) is the regex patter to tell the re module to ignore case
df["check"] = df["str_type_col"].str.contains("(?i)your_string")Copyright © 2021 Codeinu
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