pandas.Series.str.split

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

Split each string (a la re.split) in the Series/Index by given pattern, propagating NA values. Equivalent to str.split().

Parameters:

pat : string, default None

String or regular expression 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.

return_type : deprecated, use expand

Returns:

split : Series/Index or DataFrame/MultiIndex of objects