string / var check

[qbasicking]

When righting my scripting language i came to with trouble with the + command.
I had to figure out a way to figure out to add the two like a variable or merge them like a string.

Thats where i came up with this. To see if a string is holding a number in it a$ = "6" try this

IF var$ = STR$(VAL(var$)) THEN

if var$ = "6" then they will be the same
if var$ = "hello" then STR$(VAL(var$)) will equal ".41234 E2" - i dunno - i guessed there

 

[qbasicking]

Sorry, that was supposed to be classified as a Tip, and I guessed on what decimal it would turn out to be, i know it works