pandas.Series.str.find

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

Return lowest indexes in each strings in the Series/Index where the substring is fully contained between [start:end]. Return -1 on failure. Equivalent to standard str.find().

Parameters:

sub : str

Substring being searched

start : int

Left edge index

end : int

Right edge index

Returns:

found : Series/Index of integer values