Question

How to check if a string contains only letters and digits in Python

Answer 1

s = "abcABC123"
if s.isalnum():
    print("yes")
else:
    print("no")


s = "abc-ABC 123"
if s.isalnum():
    print("yes")
else:
    print("no")


'''
run:
 
yes
no

'''

 

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