패턴 24  -  \A  :  가장 처음 줄의 시작
                   ^  :  각각의 줄의 시작
                  \Z  :  가장 마지막 줄의 끝
                    $  :  각각의 줄의 끝

※ 주의;  A와 Z는 대문자 사용해야 함.

Source

Ere iron was found or tree was hewn,    When young was mountain under moon; Ere ring was made, or wrought was woe,    It walked the forests long ago.

Case 1  -  가장 첫 줄의 시작  3개의 문자

Regular Expression:	\A...
First match:	Ere iron was found or tree was hewn, When young was mountain under moon; Ere ring was made, or wrought was woe, It walked the forests long ago.
All matches:	Ere iron was found or tree was hewn, When young was mountain under moon; Ere ring was made, or wrought was woe, It walked the forests long ago.

Case 2  -  가장 마지막 줄 끝 3개의 어떤 문자

Regular Expression:	...\Z
First match:	Ere iron was found or tree was hewn, When young was mountain under moon; Ere ring was made, or wrought was woe, It walked the forests long ago.
All matches:	Ere iron was found or tree was hewn, When young was mountain under moon; Ere ring was made, or wrought was woe, It walked the forests long ago.