DESC
	Similiar to STRINGS(1), but target for characters with specified filter

ARGUMENT
	FOR
		FORMAT	FILTER
	MIN-LEN
		FROMAT INTEGER
	AFTER
		TYPE	Hex Value List
		DEFAULT	010A
	BEFORE
		TYPE	Hex Value List

EXAMPLE
	> echo abd測試efg功能，hij | bsdconv utf-8:strings#for=cjk:utf-8
	測試
	功能

	> echo aㄎabㄎabcㄉabcd|bsdconv utf-8:strings#min-len=3:utf-8
	abc
	abcd

	> echo aㄎabㄎabcㄉabcd | bsdconv 'utf-8:strings#min-len=3&sep=013b.010a:utf-8'
	abc;
	abcd;
