Thank you for your 'dotall' suggestion of (?s) -- I have prefixed the expression as you suggest but it makes no difference. If I put one carriage return in a short calibre comment neither expression will catch the comment and delete it. In fact it seems the (?s) doesn't modify the ^.{0,200}$ expression at all. i.e (?s)^.{0,200}$ = ^.{0,200}$ in calibre RE at least in the comment fields. Please ignore my last post when I didn't understand the dotall modifier. Am I nuts here or starting to figure it out? thanks for any reply, frank
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