Remove duplicated rows in notepad++

1. Steps with how to remove duplicated rows in notepad++

• Open notepad++
• Go to 'Replace window' (ctrl + H)
• In Search Mode select 'Regular expression' radio button
• Enter in input Find what below regex:

  ^(.*)(\r?\n\1)+$

• Enter in input Replace with below line:

  $1

• Click on Replace All button

• Result before:

  abc
  abc
  unique line
  123
  123

• Result after:

  abc
  unique line
  123

2. Screenshot with steps

3. Screenshot with results of this post