Evaluate an expression.
Syntax Eval (StringExpr) Key StringExpr Any expression that returns a string or a number.
The argument stringexpr must be an expression that is stored in a string. If you pass to the Eval function a string that doesn't contain a numeric expression or a function name but only a simple text string, a run-time error occurs. For example, Eval("Smith") results in an error.
Eval("1 + 1") returns 2.
Eval("1=2") returns False (-1)
Eval("5 * 10") returns 50
strResult = Eval("MY_Function()")
MsgBox strResult 'displays the result of the function
“More people are killed every year by pigs than by sharks, which shows you how good we are at evaluating risk” ~ Bruce Schneier
Syntax - IsBlank function to detect Empty or NULL or Zero.