Enter "super search" after the "Match titles containing", enter "tye" after the "Match -or- Exclude authors", and then press the "Search" button.

You should see quite a bit of information on (as you so tactfully put it) '"what the hell was I thinking when I wrote that" from the author'. In particular, read (tye)Re4: Newest Super Search.

Update: I forgot to mention that regular expressions can only be used by saints (who can only use them on titles, not on node text). They are still a bit of a CPU drain but the idea is that saints will be responsible and not abuse the privilege. If it becomes an undue load, the privilege will be taken away.

MySQL regexes don't support "\b". I translate several Perl regex features into MySQL regex constructs so you can use things like \d, \D, \s, etc. However, you hit on a weird one. You'll want to search on "\bon\B" since "\b" gets translated into MySQL's "start of word" pattern and "\B" gets translated into MySQL's "end of word" pattern.

When it became clear that regex searching was too expensive, documenting how to do it became rather low on the priority list.

        - tye (the author in question)