It was just a thought so that the developer doesn't have to handle such cases himself. regards Alaa Nassef
On Wed, Jun 24, 2009 at 11:19 AM, Hardy Ferentschik < hibern...@ferentschik.de> wrote: > If you want to allow the empty string you can start your regular expression > with the 'empty' or operator '|', eg "|^.*foo.*$". > Now the string can be empty or anything with foo in it. > > --Hardy > > > On Wed, 24 Jun 2009 09:47:56 +0200, Alaa Mohsen <alaa.moh...@egyptdc.com> > wrote: > > Hello All, >> I just realized that PatternValidator checks if the String passed to it >> is null or not before checking it's validity, but it doesn't check if the >> String is empty. What if someone wants to put a regular expression >> constraint on a non mandatory field, and the framework he uses sets this >> empty field to an empty string? What do you think? >> > > >
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