On 01/09/07, Barry Hoggard <[EMAIL PROTECTED]> wrote: > I have a form with an optional URL field. How do I constrain that to > be a valid URL, but only if the user enters something? I don't want > it to be required.
All constraints should pass if the value is missing or the empty string - if it doesn't, it's a bug. The Regex constraint docs have an example for matching a URL. Carl _______________________________________________ HTML-FormFu mailing list HTML-FormFu@lists.scsys.co.uk http://lists.scsys.co.uk/cgi-bin/mailman/listinfo/html-formfu
