Speaking of WildMatch(), I was looking for a list of Qlik functions with an easy search (like api.jquery.com), but all I could find was a function directory, where one is expected to be pre-armed with the name or the purpose of a function in order to find it. It will take me some time to learn the vocabulary.
I agree that the on-line help layout sometimes just doesn't do the trick. I find the PDF versions much easier to browse and search. You can download PDFs from the "Guides" section found at the bottom of the help navigation menu for each product.