OK, I found a link to an actual webpage (not just a pop-up box) with the list of advanced search operators:
https://support.google.com/mail/answer/7190?ctx=gmail&hl=en There may be more, but these are the documented ones. Andy -- You received this message because you are subscribed to the Google Groups "Gmail-Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/gmail-users. For more options, visit https://groups.google.com/groups/opt_out.
