[Vi] set-up case-sensitivity in searching

in .vimrc, you can add the commands for the case-sensitivity

:set ignorecase
:set smartcase

Then, you can search words with some case sensitivity rules below:

 

/copyright      -> Case insensitive

/Copyright      -> Case sensitive

/copyright\C   -> Case sensitive

/Copyright\c   -> Case insensitive

 

\c or \C at the end of the word is the explicity commands for the sensitivity.

:help /\c
:help /\C
:help 'smartcase'