numpy string operations | isalpha() function
numpy.core.defchararray.isalpha(arr) function returns True for each element if all characters in the string are alphabetic and there is at least one character; returns false otherwise.
Parameters:
arr : array_like of str or unicode.Returns : [ndarray] Output array of bools.
Code #1 :
# Python program explaining # numpy.char.isalpha() method import numpy as geek # input array in_arr = geek.array([ 'abcd', 'ac1bd', 'abdc', 'dcba', 'ab cd'] ) print ("Input array : ", in_arr) out_arr = geek.char.isalpha(in_arr) print ("Output array: ", out_arr) |
Output:
Input array : ['abcd' 'ac1bd' 'abdc' 'dcba' 'ab cd'] Output array: [ True False True True False]
Code #2 :
# Python program explaining # numpy.char.isalpha() method import numpy as geek # input array in_arr = geek.array([ 'zambiatek', 'for', 'zambiatek', 'wow !'] ) print ("Input array : ", in_arr) out_arr = geek.char.isalpha(in_arr) print ("Output array: ", out_arr) |
Output:
Input array : ['zambiatek' 'for' 'zambiatek' 'wow!'] Output array: [ True True True False]
