UltraEdit delete empty line method

How to be in UltraEdit Delete blank lines （ With spaces , tabs ）

open UltraEdit,ctrl+r The Replace dialog box pops up , Click enable regular expression
Enter... In the find box ^p^p:
Enter in the replace box ^p
Perform replacement all ( It can be executed several times to solve multi line problems );

Be careful ： If blank lines contain spaces or tab Cannot handle ;