ufunc
numpy.ctypeslib
numpy.dual
numpy.emath
numpy.fft
numpy.linalg
numpy.matlib
numpy.random
numpy.testing
numpy.typing
numpy.distutils
method
Returns an array with the number of non-overlapping occurrences of substring sub in the range [start, end].
See also
char.count
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numpy.char.chararray.copy
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numpy.char.chararray.decode