isalnum

Return 1 if a character is an alphanumerical character.

Syntax: x = isalnum(char)

x	1 if char is A-Z or a-z or 0-9 0 otherwise
char	The character to test

Example:

Dim v as uByte, e as uByte

Dim x as uByte
x=isalnum("Z")   ' x=1
x=isalnum("*")   ' x=0

Also See: