Here's some text before Some text with an A some lines in the middle 1 some lines in the middle 2 some lines in the middle 3 Some text with a B some useless lines 1 some useless lines 2 some useless lines 3 A line with both an A and a B some lines after the line with both 1 some lines after the line with both 2 some lines after the line with both 3 Once again, text with a B more useless lines 1 more useless lines 2 more useless lines 3