Notepad++/Regex - How to conditionally switch the last 2 lines in a text file

Question

I want to switch the last 2 lines of a file (so that the penultimate one is now the last one and reverse, BUT only in the situation where the penultimate line starts with a c. Preferably using any type of regex since I have to do this on various files.

thanks

Answer 1

You can try this with notepad++:

search: (?<=\n)(c.*)(\r?\n)(.*)\Z
replace: $3$2$1

("dot match newline" must not be checked)