dask.dataframe.Series.str.rindex

dask.dataframe.Series.str.rindex

dataframe.Series.str.rindex(sub, start: int = 0, end=None)

Return highest indexes in each string in Series/Index.

This docstring was copied from pandas.core.strings.accessor.StringMethods.rindex.

Some inconsistencies with the Dask version may exist.

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
substr

Substring being searched.

startint

Left edge index.

endint

Right edge index.

Returns
Series or Index of object

See also

index

Return lowest indexes in each strings.

Examples

For Series.str.index:

>>> ser = pd.Series(["horse", "eagle", "donkey"])  
>>> ser.str.index("e")  
0   4
1   0
2   4
dtype: int64

For Series.str.rindex:

>>> ser = pd.Series(["Deer", "eagle", "Sheep"])  
>>> ser.str.rindex("e")  
0   2
1   4
2   3
dtype: int64