Question

How to check if a string has only hexadecimal digit letters in Python

Answer 1

import string  

def only_hexadecimal_digit_letters(s):  
    for ch in s:  
        if ch not in string.hexdigits:  
            return False
    return True
 
s = "0123456789ABCDEF"
if only_hexadecimal_digit_letters(s):  
    print ("yes");
else:
    print ("no");
 
 
s = "abcdefABCDEF"
if only_hexadecimal_digit_letters(s):  
    print ("yes");
else:
    print ("no");
     
     
s = "012abcABC"
if only_hexadecimal_digit_letters(s):  
    print ("yes");
else:
    print ("no");
    
    
s = "012abcABCXYZ"
if only_hexadecimal_digit_letters(s):  
    print ("yes");
else:
    print ("no");


    
'''
run:

yes
yes
yes
no

'''

 

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