refactor: add property for control code regex
refactor: add property for control code regex

Users could override the property.

kenjis/CodeIgniter4,lonnieezell/CodeIgniter4,lonnieezell/CodeIgniter4,lonnieezell/CodeIgniter4,lonnieezell/CodeIgniter4,bcit-ci/CodeIgniter4,samsonasik/CodeIgniter4,lonnieezell/CodeIgniter4,samsonasik/CodeIgniter4,samsonasik/CodeIgniter4,samsonasik/CodeIgniter4,bcit-ci/CodeIgniter4,bcit-ci/CodeIgniter4,bcit-ci/CodeIgniter4,bcit-ci/CodeIgniter4,kenjis/CodeIgniter4,kenjis/CodeIgniter4,samsonasik/CodeIgniter4,lonnieezell/CodeIgniter4,samsonasik/CodeIgniter4,kenjis/CodeIgniter4,kenjis/CodeIgniter4