* 1^0 ^\/Subject:.*=\?(.*big5|iso-2022-jp|ISO-2022-KR|euc-kr|gb2312|ks_c_5601 -1987|windows-1256)\? * 1^0 ^\/Content-Type:.*charset="(.*big5|iso-2022-jp|ISO-2022-KR|euc-kr|gb231 2|ks_c_5601-1987|windows-1256) |/dev/null