New line "\n"(mostly) or "\r" or "\r\n"

Scenario：

1、in a long SQL query
2、edit the same thing for the multiple lines in the markdown

Eg : in the Nodepad – edit sth at the last of the line.

xxx 
xxx  
xxx

Change to ：xxx,xxx,xxx, or

xxx,<Br>  
xxx,<Br> 
xxx,<Br>

Search "\r\n"

Replace the last of the line ,"\r ,<Br>"

Mutiple edit in nodepad++
Ctrl + mouse or shift + alt + mouse(direction key)

Shift + ⭾ Tab: (selection of one or more full lines) Remove tabulation or space