Numeric (0000)
The numbers 0 ~ 9.
Alphanumeric (0000)
The numbers 0 ~ 9, the letters A ~ Z and the characters - . / : $ % * + (including a space itself).
Byte (0000)
All the letters, numbers and special characters.
Kanji (0000)
All the Kanji symbols 日 本 に ほ ん