Delete spaces

 
Hi, sometimes i find several lines on a document than only contain spaces, not followed by any text character.

Is it possible to delete all this spaces but without deleting the lines that contain them or modifying any other line that start with spaces followed by any character?

Thank you very much !
 

Menu Edit / Lines manipulation / Remove redundant spaces
If you use this function often, you can add shortcut for it in the program settings / KeyMap

Thanks