What Does A Character Class For All Alphabetic Characters And Digits

1.	What Does A Character Class For All Alphabetic Characters And Digits Look Like In Regular Expressions?
Answer» [0-9] MATCHES any DIGIT [A-Za-z0-9] matches any ALPHANUMERIC CHARACTER [A-Za-z] matches any ALPHABET character [0-9] matches any digit [A-Za-z0-9] matches any alphanumeric character [A-Za-z] matches any alphabet character

What Does A Character Class For All Alphabetic Characters And Digits Look Like In Regular Expressions?

Answer»

[0-9] MATCHES any DIGIT
[A-Za-z0-9] matches any ALPHANUMERIC CHARACTER
[A-Za-z] matches any ALPHABET character

[0-9] matches any digit
[A-Za-z0-9] matches any alphanumeric character
[A-Za-z] matches any alphabet character