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--- index.md
+++ index.md
@@ -1,9 +1,9 @@
-# Why vi Rocks
+# Why vi Rocks (WIP)
 
 A collection of commands, command sequences in [vi(1)](https://man.openbsd.org/vi.1)/[ex(1)](https://man.openbsd.org/ex.1) or with 3rd party unitilities.<br />
 These all work with at least [nvi](https://en.wikipedia.org/wiki/Nvi) 1.79 and 2.1.3 (unicode).
 
-#### Yank / delete an arbitrary number of lines.
+#### Yank / delete an arbitrary number of lines
 
 	1) mark the first line: mk
 	2) move to last line
@@ -12,11 +12,13 @@ These all work with at least [nvi](https://en.wikipedi
 	4) move to new line
 	5) paste with P or p
 
-#### Join all lines in a file
+#### Apply regex to an arbitrary number of lines
 
-	:%j
+	1) mark the first line: mk
+	2) mark the last line: ml
+	:'k,'ls/regex/power/g
 
-#### When you need root permissions to write the file
+#### Write file as root
 
 	:w !doas tee %
 
@@ -26,14 +28,30 @@ These all work with at least [nvi](https://en.wikipedi
 
 #### Make a backup of the file on disk
 
-	:! cp % %.bak
+	:!cp % %.bak
 
-#### Sort lines
+#### Sort all lines
 
 	:%!sort
 
-#### Dedup lines
+#### Sort paragraph
 
+	!}sort
+
+#### Uniq all lines
+
 	:%!uniq
 
+#### Uniq paragraph
 
+	!}uniq
+
+#### Join all lines
+
+	:%j
+
+#### Select a column (3rd) from formated text seperated by ':' 
+
+	:%!awk -F':' '{print $3}' 
+
+