Add some text at every end of line in notepad++

7/12/17:

sol: To add "test" to the end of each line, type `$` in the "Find what" field

To add test to the beginning of each line, type `^` in the "Find what" field, and "test" in the "Replace with" field. Then hit "Replace All".   --- working

sol2: 

Hold down Alt + Shift and use the cursor down key to extend the selection to the end of the block  --- working