pandas.Series.str.rsplit

Series.str.rsplit(pat=None, n=-1, expand=False)

Split each string in the Series/Index by the given delimiter string, starting at the end of the string and working to the front. Equivalent to str.rsplit().

Parameters:

pat : string, default None

Separator to split on. If None, splits on whitespace

n : int, default -1 (all)

None, 0 and -1 will be interpreted as return all splits

expand : bool, default False

• If True, return DataFrame/MultiIndex expanding dimensionality.
• If False, return Series/Index.

Returns:

split : Series/Index or DataFrame/MultiIndex of objects