[Gambas-user] IsDate(string) - how good is it?

[Gianluigi]

Il giorno gio 6 gen 2022 alle ore 16:53 bb <adamnt42 at gmail.com> ha scritto:

> On Thu, 2022-01-06 at 16:17 +0100, Gianluigi wrote:
> > About RegExp, you could do something like this :
> >
> > Private Sub IsAProbableDate(value As String) As Boolean
> >
> >   If RegExp.Match(value, "([0-9]{1,2})/([0-9]{1,2})/([0-9]{2,4})")
> > Then
> >     Return True
> >   Else If RegExp.Match(value,
> > "(([0-9]{1,2}))/([a-zA-Z]{3,10})/([0-9]{2,4})") Then
> >     Return True
> >   Else
> >     Return False
> >   Endif
> >
> > End
> > [code]
> >
> > Regards
> > Gianluigi
> >
> > ----[ http://gambaswiki.org/wiki/doc/netiquette ]----
> Yes, I like that one. I think I might need to cope with different
> separators  :
> If RegExp.Match(value,
>  "(([0-9]{1,2}))[/-.]([a-zA-Z]{3,10})[/-.]([0-9]{2,4})") Then
>      Return True
>
> Is that right? I am not a regexp expert.
>
> b
>
>
> ----[ http://gambaswiki.org/wiki/doc/netiquette ]----
>

It should be something like this:
If RegExp.Match(value,
"([0-9]{1,2})(/|-|.)([0-9]{1,2})(/|-|.)([0-9]{2,4})") Then...

g
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