Axuda do LibreOffice 24.8
Tests if a numeric or string expression can be converted to a Date variable.
IsDate (Expresión)
Boolean
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.
Sub ExampleIsDate
Dim sDateVar As String
sDateVar = "12.12.1997"
Print IsDate(sDateVar) ' True
sDateVar = "12121997"
Print IsDate(sDateVar) ' False
End Sub