December 7, 2013 —

Convert HTML tags to UPPERCASE / LOWERCASE by a single Regex

Install Text editor – Vim from here

Open the file you like to modify in Vim.

  • Enter the following for convert to uppercase 
    • :%s/</=(w+)>/U&/g
  • Enter the following for convert to lowercase
    • :%s/</=(w+)>/L&/g