fix vim search

writing/vim/subs.md

@@ -0,0 +1,27 @@
+---
+title: "find and replace"
+tags: [ "vim", "search", "replace", "find" ]
+requires: [ "vim basics" ]
+---
+Search for the next and or previous occurrence of the word under your cursor with `*` and `#`.
+
+Search and replace the first 'one' found with 'two':
+
+`:%s/one/two/`
+
+Run the last substitution globally:
+
+`g&`
+
+Same, but just replace 'one' globally:
+
+`:%s/one/two/g`
+
+Put quotes around every occurrence of `$HOME`:
+
+`:%s/$HOME/"&"`
+
+Same, but add curly brackets around `$HOSTNAME`:
+
+`:%s/$HOSTNAME/{&}`
+