numpy.char.rfind

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

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

Calls str.rfind element-wise.

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

Output array of ints. Return -1 on failure.

See also

str.rfind

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numpy.char.isupper

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numpy.char.rindex