NumPy
ufunc
numpy.ctypeslib
numpy.fft
numpy.linalg
numpy.matlib
numpy.random
numpy.testing
numpy.testing.overrides
numpy.typing
char.chararray.rfind
method
For each element in self, return the highest index in the string where substring sub is found, such that sub is contained within [start, end].
See also
char.rfind
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numpy.char.chararray.resize
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numpy.char.chararray.rindex