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Detecting if a numerical value is negative

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I think this is a pretty simple question, but I can't find the answer by searching since "negative number" seems to be too vague of a search criteria. Anyway, I would like to know how I would be able to tell if a numerical value in a variable is negative.


$a = -4 ; how can I tell if this is negativeoÝ÷ Ø@ÈL¬¶·,Þt(ºWn±æ®¶­sdbb33c¶fÇC²FVà

I can't believe I made such an overlook, sorry about that.

Edited by BALA

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Just realized I could use

Or you can do this:

$Num = -4
If _IsNegativeNum($Num) Then MsgBox(0, "", "The number < " & $Num & " > is negative!")

Func _IsNegativeNum($Num)
    Return StringInStr($Num, "-")
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