Series.str.
rindex
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.
str.rfind
str.rindex
sub (str) – Substring being searched.
start (int) – Left edge index.
end (int) – Right edge index.
Series or Index of object
See also
index
Return lowest indexes in each strings.