numpy.core.defchararray.find()

numpy.core.defchararray.find(a, sub, start=0, end=None) [source]

For each element, return the lowest index in the string where substring sub is found.

Calls str.find element-wise.

For each element, return the lowest index in the string where substring sub is found, such that sub is contained in the range [start, end].

Parameters:

Parameters:	a : array_like of str or unicode sub : str or unicode start, end : int, optional Optional arguments `start` and `end` are interpreted as in slice notation.
Returns:	out : ndarray or int Output array of ints. Returns -1 if `sub` is not found.

a : array_like of str or unicode

sub : str or unicode

start, end : int, optional

Optional arguments start and end are interpreted as in slice notation.

Returns:

out : ndarray or int

Output array of ints. Returns -1 if sub is not found.