ufunc
numpy.ctypeslib
numpy.dual
numpy.fft
numpy.linalg
numpy.matlib
numpy.random
numpy.testing
numpy.typing
numpy.distutils
method
For each element in self, return True if there are only numeric characters in the element.
See also
char.isnumeric
previous
numpy.char.chararray.islower
next
numpy.char.chararray.isspace