cat • char

Character Test Functions

IsAscii Tests if a string contains only ASCII characters.
IsBlank Tests if a string contains only blank characters.
IsDigit Tests if a string contains only digits.
IsHexa Tests if a string contains only hexadecimal digits.
IsLCase Tests if a string contains only lowercase letters.
IsLetter Tests if a string contains only letters.
IsPunct Tests if a string contains only printable non-alphanumeric characters.
IsSpace Tests if a string contains only space characters.
IsUCase Tests if a string contains only uppercase letters.