Sadly, no. In any event, you don't really need to know they're at the end of a table cell if you're happy to leave just a single paragraph break there. In that case, you could fix the lot with two wildcard Find/Replace operations, where:
Find = [ ]@^13
Replace = ^p
Find = [^13]{2,}
Replace = ^p

__________________
Cheers,
Paul Edstein
[Fmr MS MVP - Word]