pandas.Series.str.rindex

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

Return highest indexes in each strings 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:

found : Series/Index of objects