pandas.Series.str.rindex

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

Return highest indexes in each string in Series/Index.

Each of the returned indexes corresponds to the position where the substring is fully contained between [start:end]. This is the same as str.rfind except instead of returning -1, it raises a ValueError when the substring is not found. Equivalent to standard str.rindex.

Parameters
sub:str

Substring being searched.

start:int

Left edge index.

end:int

Right edge index.

Returns
Series or Index of object

See also

index

Return lowest indexes in each strings.

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Licensed under the 3-clause BSD License.
https://pandas.pydata.org/pandas-docs/version/1.3.4/reference/api/pandas.Series.str.rindex.html