numpy.core.defchararray.isnumeric (arr) returns true for each item if there are only numeric characters and at least one character. Returns false otherwise.
Parameters:
arr: array_like of str or unicode.Returns: [ndarray] Output array of bools.
Code # 1:
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Output:
Input array: [`1000`` 2000` ] Output array: [True True]
Code # 2:
Output:
# Python program explaining
# numpy.char.isnumeric () method import numpy as geek
# input array in_arr = geek.array ([ `python3 .5` , `a1000` , `1234 ab` ]) print ( "Input array:" , in_arr) out_arr = geek.char.isnumeric (in_arr) print ( "Output array:" , out_arr)
Input array: [`python3.5`` a1000` `1234 ab`] Output array: [False False False]
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