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# IsDate Function

Tests if a numeric or string expression can be converted to a Date variable.

## Syntax:

    Str (Výraz)

## Návratová hodnota:

Bool

## Paremetre:

Expression: Any numeric or string expression that you want to test. If the expression can be converted to a date, the function returns True, otherwise the function returns False.

## Error codes:

5 Neplatné volanie procedúry

## Príklad:

    Sub ExampleIsDate
    Dim sDateVar As String
        sDateVar = "12.12.1997"
        Print IsEmpty(sVar) REM Returns True
        sDateVar = "12121997"
        Print IsNumeric(vVar) REM vráti False
    End Sub