VIM search for pattern into quickfix

Question

Basically I need to create a quickfix buffer listing all lines that match a regex. What is the best way?

The global command may not be the best, but I think it should

Answer 1

You can also not use the global command and stick with what is built-in. Use the vimgrep command as below:

:vimgrep /pattern/ %

And then :copen or :cwindow

Answer 2

Use caddexpr:-

g/<pattern>/caddexpr expand("%") . ":" . line(".") . ":" . getline(".")