ufunc
numpy.ctypeslib
numpy.dual
numpy.fft
numpy.linalg
numpy.matlib
numpy.random
numpy.testing
numpy.typing
numpy.distutils
method
Returns true for each element if all cased characters in the string are lowercase and there is at least one cased character, false otherwise.
See also
char.islower
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numpy.char.chararray.isdigit
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numpy.char.chararray.isnumeric