行と・行末を表す正規表現

pattern	string	match
ABC	ABC	YES
ABC	ABCDEF	YES
ABC	FGTABC	YES
ABC	AAABC	YES
^ABC	ABC	YES
^ABC	ABCDEF	YES
^ABC	FGTABC	NO
^ABC	AAABC	NO
ABC$	ABC	YES
ABC$	ABCDEF	NO
ABC$	FGTABC	YES
ABC$	AAABC	YES
^ABC$	ABC	YES
^ABC$	ABCDEF	NO
^ABC$	FGTABC	NO
^ABC$	AAABC	NO