[pmwiki-users] empty vs nonexistent PTV in pagelist
pmwiki at solidgone.com
Wed Apr 8 21:54:16 CDT 2009
Peter & Melodye Bowers wrote:
> Is there any way to differentiate between an empty PTV and a non-existent
> PTV in a pagelist?
Not that I've found.
"-?*" represents either empty or not set.
"-" represents set not empty
> If not, what suggestions for an appropriate syntax to differentiate?
The syntax above is regex like. However, I like:
"^*" represents not set (regex like)
"!*" which I prefer -- seems to represent a negated everything --
~ ~ Dave
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