numpy string operations | isnumeric() function (original) (raw)

Last Updated : 14 Jan, 2019

numpy.core.defchararray.isnumeric(arr) function returns true for each element if there are only numeric characters and there is at least one character.It returns false otherwise.

Parameters: arr : array_like of str or unicode.Returns : [ndarray] Output array of bools.

Code #1 :

Python3 `

Python program explaining

numpy.char.isnumeric() method

import numpy as geek

input array contains only numeric character

in_arr = geek.array([ '1000', '2000'] ) print ("Input array : ", in_arr)

out_arr = geek.char.isnumeric(in_arr) print ("Output array: ", out_arr)

`

Output:

Input array : ['1000' '2000'] Output array: [ True True]

Code #2 :

Python3 `

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)

`

Output:

Input array : ['python3.5' 'a1000' '1234 ab'] Output array: [False False False]