pd.Series.str.casefold¶ pandas.Series.str.casefold() Example Usage¶ >>> @bodo.jit ... def f(S): ... return S.str.casefold() >>> S = pd.Series(["A", "CE", "Erw", "A3", "@", "ß", "^ Ef"]) >>> f(S) 0 a 1 ce 2 erw 3 a3 4 @ 5 ss 6 ^ ef dtype: object