The cards are of type Wiki twCards, so you could write a filter, and delete the ones you do not want to keep.
Birthe Den mandag den 11. juli 2016 kl. 01.00.15 UTC+2 skrev Mark S.: > > Is there a way to delete all those cards? > > Thanks! > Mark > -- You received this message because you are subscribed to the Google Groups "TiddlyWiki" group. To unsubscribe from this group and stop receiving emails from it, send an email to tiddlywiki+unsubscr...@googlegroups.com. To post to this group, send email to tiddlywiki@googlegroups.com. Visit this group at https://groups.google.com/group/tiddlywiki. To view this discussion on the web visit https://groups.google.com/d/msgid/tiddlywiki/08fcc2c5-49c1-4cd6-8237-4af71cbc9d82%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
