Copy specific words from Notepad ++

Question

I have a lot of text like this in Notepad:

and I want them to have like this:

I mean from all the document I only need to extract this thing...

_{BTW I AM NEW USER OF NOTEPAD++}

Answer 1

Two steps:

1. Delete all lines without text Credentials
   Find: ^(?!Credentials - ).*\r\n
   Replace: with nothing
   Regular Expressions: checked
2. Delete leading text "Credentials - "
   Find: ^Credentials -
   Replace: with nothing
   Regular Expressions: checked