pandas.Series.str.rfind

Series.str.rfind(sub, start=0, end=None)[source]

Return highest indexes in each strings in the Series/Index.

Each of returned indexes corresponds to the position where the substring is fully contained between [start:end]. Return -1 on failure. Equivalent to standard str.rfind().

Parameters
sub:str

Substring being searched.

start:int

Left edge index.

end:int

Right edge index.

Returns
Series or Index of int.

See also

find

Return lowest indexes in each strings.

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https://pandas.pydata.org/pandas-docs/version/1.3.4/reference/api/pandas.Series.str.rfind.html