How to replace multiple newlines in a row with one newline using Ruby

Question

I have a script written in ruby. I need to remove any duplicate newlines (e.g.)

\\n
\\n
\\n

to

\\n

My current

Answer 1

are you sure it shouldn't be /\n\n\n/, "\n" that what you seem to be wanting in your question above.

also, are you sure it's not doing a windows new-line "\r\n"?

EDIT: Additional info

Per Comment

"The amount of newlines can change. Different lines have between 2 and 5 newlines."

if you only want to hit the 2-5 lines try this

/\n{2,5}/, "\n"