Using regex in vim

Search and replace using quantifiers.

Example:
This will erase all checkID's with single and/or double digits.

:%s/"checkID":[0-9]\{1,2\} //g

Before

Running command.

Translate upper case to lower case with vim

Translate upper case to lower case with vim.

:%s/[A-Z]/\L&/g

or

:%s/.*/\L&/

vi: Appending text to the end of each line

Appending text to the end of each line.

:%s/$/TextYouWantToAppend/

My .vimrc file

syntax on
set viminfo^=h
set ruler
set nohls
set incsearch
set showmatch
set ts=4 sw=4
syntax enable
set hlsearch
"Use F4 to switch high lighting on/off
:noremap <F4> :set hlsearch! hlsearch<CR>