numpy.char.find

numpy.char.find(a, sub, start=0, end=None)

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

aarray_like of str or unicode

substr or unicode

start, endint, optional

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

Returns

outndarray or int

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

See also

str.find