g_	To the last non-blank character of the line.
1 From start to end
2 From _ to end
3 From end to end 4 empty line \n 5 empty line \r\n


6 Spaces     
7 Tabs 		
8 Backspace         
9 Vertical tab      
10 Form feed        
11 Carriage return 
 
12 Idempotent (count has no effect)