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# Función IsDate

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

## Sintaxe:

    IsDate (Expresión)

## Valor de retorno:

Bool

## Parámetros:

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.

### Códigos de erro

5 Chamada de procedemento incorrecta

## Exemplo:

    Sub ExampleIsDate
    Dim sDateVar As String
        sDateVar = "12.12.1997"
        print IsDate(sVarData) REM Devolve True
        sDateVar = "12121997"
        print IsDate(sVarData) REM Devolve False
    End Sub