How do I merge the multiple empty lines into a single one in the Editors view?

To merge the multiple empty lines into a single one in the Editors view:

1. Press Ctrl+F.

   The Find/Replace dialog box appears.

2. Enter the expression ^\s*\n in the Find textbox.
3. Enter the expression \R in the Replace with dialog box.
   Figure 1. Merging Multiple Blank Lines into One
   
   
   
   
4. Click Replace All .

The editor merges the multiple blank lines into one for each appearance.