Step 1: open notepad++ with the lines you want to split
Step 2: press CTRL+F
Step 3: go to REPLACE tab
Step 4: in FIND WHAT box enter the split character
(in my case it is | so i put this in)
Step 5: go to REPLACE WITH tab and enter \n
Step 6: IMPORTANT - select search mode as EXTENDED
Step 7: Click REPLACE ALL