You can type more than one word into the keyword field. Normally all words must match to get a hit, but if you use or to connect
the words, only one of the given keywords must match.
? or _ - for single unknown character,* or % - for multiple unknown characters# - for one digit, e.g. type #### to get all files with 4 digits,[...] - for character classes ([xyz]) or ranges ([a-c]),\.