1235784301	a	utf8 (Perl)
1235784334	a	:utf8
1235784334	a	:encoding(utf8)
1237601971	a	utf8 flag
1237601971	a	use utf8
1237601971	a	utf8旗
1237601971	a	utf8文字列
1302950542	a	utf8フラグ