opt: up主投稿跳转番剧

lib/pages/whisper_detail/widget/chat_item.dart

@@ -49,13 +49,6 @@ class ChatItem extends StatelessWidget {
     this.e_infos,
   });
 
-  static List<int> matchNum(String str) {
-    final RegExp regExp = RegExp(r'\d+');
-    final Iterable<Match> matches = regExp.allMatches(str);
-
-    return matches.map((Match match) => int.parse(match.group(0)!)).toList();
-  }
-
   @override
   Widget build(BuildContext context) {
     bool isOwner =