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numpy.core.defchararray.chararray.isdigit

method

chararray.isdigit() [source]

Returns true for each element if all characters in the string are digits and there is at least one character, false otherwise.

See also

char.isdigit

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https://docs.scipy.org/doc/numpy-1.16.1/reference/generated/numpy.core.defchararray.chararray.isdigit.html