IF TEST = 1
{
  ASSIGN VarAlpha = "abcde"
  ASSIGN VarNum = "12345"
}

//isalpha -- Returns 1 (true) if all characters within the variable are letters 
//of the alphabet (A-Z, a-z). Otherwise, 0 (false) is returned. An empty variable 
//returns 0 (false). See also isletter.

ASSIGN AlphaRes1 = VarAlpha.isalpha //true
ASSIGN AlphaRes2 = VarNum.isalpha //false

//isnumeric -- Returns 1 (true) if the textual value within the variable can be 
//converted TO a number. Otherwise, 0 (false) is returned. See also isdigit.

ASSIGN NumRes1 = VarNum.isnumeric //true
ASSIGN NumRes2 = VarAlpha.isnumeric //false