string - Regex replace - match and empty all lines not containing a specific character -

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i can not use grep. in fact, in notepad2. when want remove lines containing character "c", using replace dialog (ctrl+h):

search string: ".*c.*" replace with: "" (nothing)

after that, sort lines , rid of empty lines.

but need empty lines do not contain character "c". possible in notepad2?

if can in notepad2, can using javascript's string replace too, guess.

yes, anchor pattern , use negated character class.

find: ^[^c]*$

explanation:

^          # beginning of string  [^c]*     # character except: 'c' (0 or more times) $          # before optional \n, , end of string

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