String is not null, empty, or empty string

Question

What is the quickest and easiest way (in Classic ASP) to check if a string has some string (that has a length greater than 0) i.e. NOT \"Null\", \"Nothing\", \"Empty\", or \

Answer 1

You could try having something like this:

Function nz(valToCheck, valIfNull)
 If IsNull(valToCheck) then
    nz = valIfNull
 Else
    nz = valToCheck
 End if
End function

and then you would use it like this:

if nz(var,"") <> "" then
  '--string has something in it
else
  '--string is null or empty
end is