Regex for matching linefeed with next character ignored

Question

I am trying to select linefeed and remove them in a comma separated file via REGEX search in notepad++, the criteria for matching linefeed is that it should not followed the character "I" in the next line.

Example:-

Output should be:-

Answer 1

Tip: don't use images as we can't copy past them

replace

\r\n(?!|)

with nothing

Note that I assume your are using windows linebreaks \r\n