Replacing multiple blank lines with one blank line using RegEx search and replace

Question

I have a file that I need to reformat and remove \"extra\" blank lines.

I am using the Perl syntax regular expression search and replace functionality of UltraEdit a

Answer 1

Replacing

^(\s*\r\n){2,}

With

\r\n

Is what I ended up with.

This only selects blank lines in multiples of two or more and replaces them with one.