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@@ -306,7 +306,7 @@ class Header{
         $str = trim($str);
         $str = trim($str);
         $str = explode("\r\n",$str);
         $str = explode("\r\n",$str);
         $str = implode('',$str);
         $str = implode('',$str);
-        preg_match_all("/=\?[a-z0-9-.]{3,}\?[bq]\?.*\?=$/Ui",$str,$codes);
+        preg_match_all("/=\?[a-z0-9-.]{3,}\?[bq]\?.*\?=/Ui",$str,$codes);
         foreach ($codes[0] as $c){
         foreach ($codes[0] as $c){
             if(preg_match("/^=\?([a-z0-9-.]{3,})\?[bq]\?.*\?=$/i",$c,$cc)){
             if(preg_match("/^=\?([a-z0-9-.]{3,})\?[bq]\?.*\?=$/i",$c,$cc)){
                 // 解码 这个函数好像已经转码了，
                 // 解码 这个函数好像已经转码了，