Sorting bar graphs in excel

If you have data like this

You can sort it in excel using these steps:
1) go to Data tab
2) click the sort button and select the colum by which you want to sort.(This is silly but if you don't know it, its a pain)

Searching and Replacing strings in vi

:%s/pattern/replace/

if you are searching for a special character( '.', '$' etc), precede it with '\'