Hi Koen, Thanks for he snippet
>> Hi Piotr, >> I have a small method DOM_validRef which basically uses this test: >> if(Replace string($ref;"0";"")="") >> $valid:=false >> end if >> 64bit indeed uses 32 zero chars instad of 16, but this code handles both >> situations (and future ones, if we live long enough to make the transiton to >> 128bit systems...). >> My method also checks if all chars in the XML ref are valid hex chars (0-9 >> A-F), but that might be overkill. >> Kind regards, >> Koen ********************************************************************** 4D Internet Users Group (4D iNUG) Archive: http://lists.4d.com/archives.html Options: https://lists.4d.com/mailman/options/4d_tech Unsub: mailto:[email protected] **********************************************************************

