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

[bb]

On Thu, 2022-01-06 at 17:06 +0100, Gianluigi wrote:
> 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
> 
> ----[ http://gambaswiki.org/wiki/doc/netiquette ]----
Thanks Gianluigi! Finally, after 10 or so years I can now sort gridview
date columns correctly.

b