str.
index
Return lowest indexes in each strings where the substring is fully contained between [start:end].
This is the same as str.find() except instead of returning -1, it raises a ValueError when the substring is not found. Equivalent to standard str.index().
str.find()
str.index()
Substring being searched.
Left edge index.
Right edge index.
Series of lowest matching indexes.
Examples
>>> s = ps.Series(['apple', 'oranges', 'bananas'])
>>> s.str.index('a') 0 0 1 2 2 1 dtype: int64
The following expression throws an exception:
>>> s.str.index('a', start=2)