I love LibreOffice / OpenOffice, but some tasks we cannot do in it, like mentioned in this question title: search and replace special characters in Writer. Someone does know how to do that?
You can do that tasks in MS Word (for instance, search for "^p", that is paragraph mark, and replace it with "^t", tabulation).
Also, you can do that also in Notepad++ (in showed example, using "\n" and "\t").
But in Writer, although there is a option "regular expressions", I cannot search for special characters with it - I always have to copy+paste text to MS Word/Notepad++, do what I want and copy+paste back to Writer...
With tabulation mark it functions searching for \t.
What about with paragraph marks or line breaks? It does not. I've already tried \r, \n, \r\n, \n\r, ^p, ^l...
Edit #2: Almost solved by @Linker3000, but what about paragraph marks?