Python - 문자열의 모든 문자가 영숫자인지 확인합니까?

8k9q2i3u4t

$$###k9q2i3u4t

# String1
mystr1 = "8k9q2i3u4t"

# Display the string2
print("String = ",mystr1);

# Check string1 for alphanumeric
print("Is String1 alphanumeric = ",mystr1.isalnum())

# String2
mystr2 = "##$$9hnkh67"

# Display the string2
print("\nString2 = ",mystr2);

# Check string2 for alphanumeric
print("Is String2 alphanumeric = ",mystr2.isalnum())

String =  8k9q2i3u4t
Is String1 alphanumeric =  True

String2 =  ##$$9hnkh67
Is String2 alphanumeric =  False

pip install re

import re

import re
# String1
mystr1 = "m4w5r6"

# Display the string2
print("String = ",mystr1);

# Check string1 for alphanumeric
print("Is String1 alphanumeic = ",bool(re.match('^[a-zA-Z0-9]+$', mystr1)))

# String2
mystr2 = "pn#$nk2h1"

# Display the string2
print("\nString2 = ",mystr2);

# Check string2 for alphanumeric
print("Is String2 alphanumeic = ",bool(re.match('^[a-zA-Z0-9]+$', mystr2)))

String =  m4w5r6
Is String1 alphanumeic =  True

String2 =  pn#$nk2h1
Is String2 alphanumeic =  False