From: "Adam Dickmeiss" <[log in to unmask]>
> I don't think we'll be implementing it.. Regular expressions suit us
> fine at this point. AFAIK.
The reason for the proposal in the first place was to support subfield
to search (in this example) on year of publication.
(All other hypothetical uses of substring are speculative at this point.)
How would you accomplish this query with a regular expression?