IsNumber()

[HighGuy]

Shouldn't the following code give the same return value?

MsgBox(0, "", IsNumber(42))  ; returns 1
MsgBox(0, "", IsNumber("42"))   ; returns 0

If this is the intended behavior how can I check if a string represents a number?

[SlimShady]

If this is the intended behavior how can I check if a string represents a number?

StringIsDigit

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Checks if a string contains only digit (0-9) characters.

MsgBox(0, "", StringIsDigit(42))    ; returns 1
MsgBox(0, "", StringIsDigit("42"))  ; returns 1

Conclusion:

No bug.

[Nutster]

Check out StringIsInt and StringIsFloat as well.