Question

What command would you give to list all lines of userNotes.txt that contain sentence endings with two or more blanks before the start of the next sentence?

Answer 1

This command prints all lines of userNotes.txt that contain sentence endings with two or more blanks separating sentences.

P.S. There are spaces in square brackets.

sed -n '/[ ][ ][ ]*[A-Z]/p' userNotes.txt