my_command "regex or text" <"regex or text"|NA> <"text or regex"|NA> integer integer

Example1: my_command "Simple case" NA NA 2 3

Example2: my_command "This is it!" "[",;']" "Really?" 3 5

Example3: my_command "Not so fast" NA "Another regex int the mix ["a-zA-Z123]" 1 1

Example1: list[0] = "Simple Case", list[1] = NA, list[2] = NA, list[3] = "2", list[4] = "3"

Example2: list[0] = "This is it!", list[1] = "[",;']", list[2] = NA, list[3] = "3", list[4] = "5"
Example3: list[0] = "Not so fast", list[1] = NA, list[2] = "Another regex int the mix ["a-zA-Z123]" , list[3] = "1", list[4] = "1"