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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