pandas regex replace code example

Example 1: pandas replace values in column regex

# replace the matching strings
df_updated = df.replace(to_replace ='[nN]ew', value = 'New_', regex = True)
  
# Print the updated dataframe
print(df_updated)

Example 2: str replace pandas

>>> pd.Series(['foo', 'fuz', np.nan]).str.replace('f.', 'ba', regex=True)
0    bao
1    baz
2    NaN
dtype: object