Insert carriage return at first instance of character in Notepad++

user_15364001 0
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I have a text file with hundreds of lines. Each line contain the below information:

software.cisco.com , Added by IT, ZZ 6584

What I am trying to do is insert carriage return where the first comma is. I'm able to do this with search/replace and using the /n expression. Problem is it inserts carriage return twice leaving me with 3 lines. I am trying to insert carriage return at first comma only and keep rest of line.

Before:

software.cisco.com , Added by IT, ZZ 6584

After:

software.cisco.com
#Added by IT, ZZ 6584
notepad++ regex
1 Answers

Use

^(.*?),\s*

Replacement: $1\n#.

See proof.

EXPLANATION

--------------------------------------------------------------------------------
  ^                        the beginning of the string
--------------------------------------------------------------------------------
  (                        group and capture to \1:
--------------------------------------------------------------------------------
    .*?                      any character except \n (0 or more times
                             (matching the least amount possible))
--------------------------------------------------------------------------------
  )                        end of \1
--------------------------------------------------------------------------------
  ,                        ','
--------------------------------------------------------------------------------
  \s*                      whitespace (\n, \r, \t, \f, and " ") (0 or
                           more times (matching the most amount
                           possible))
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