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operations with empty strings | isalpha () function

numpy.core.defchararray.isalpha (arr) returns True for each item if all characters in the string are alphabetic and there is at least one character; otherwise returns false

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 ([ ’geeks’ , ’ for’ , ’geeks’ , ’wow!’ ])

print ( "Input array:" , in_arr) 

 

out_arr = geek.char.isalpha (in_arr)

print ( "Output array:" , out_arr)

Exit:

 Input array: [’geeks’’ for’ ’geeks’’ wow! ’] Output array: [True True True False] 

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