Use UltraEdit to delete blank lines in documents

Some of the collected articles have a lot of blank lines. If you delete them one by one, it is very troublesome. Is there an easy way to solve them? Use UltraEdit!
First use UltraEdit to open the file and select the Replace command in the Search menu. In the Replace dialog, select the Regular Expression checkbox and type: %[ ^t]++^p in Find what, note that there is a space before ^t. The meaning of the expression character corresponds to EditPlus.
Then, click the Start or Replace All button to replace and delete the blank line. This makes it easy and quick to delete empty lines in the document! Simple! Tr