Python - 文字列内のすべての文字が英数字かどうかを確認しますか?

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