[ReaderRabbit]

Originally Posted by PeterT

Why not try

([a-z])\.([A-Z])

replace by

\1\. \2

This will find a lower-case letter, followed by a period and an upper-case letter, and replace them by the lower-case letter, period, a space and the upper-case letter.

That worked but what if the sentence ends with a '?' or '!'

Thanks so much.