isString

val = isString(expr)

Returns TRUE if argument is string or FALSE if it is not.

Parameters

expr

Any expression.

Example

Dim var	' var can be of any type
Input "input a value ", var	' you can input integer, floating or string
if isInteger(var) then print var, " is integer"	' check var type
if isFloating(var) then print var, " is floating"
if isString(var) then print var, " is string"