新增过滤掉正则表达式内容

Fixes #338

新增过滤掉正则表达式内容

---

For more details, open the [Copilot Workspace session](https://copilot-workspace.githubnext.com/Soulter/AstrBot/issues/338?shareId=XXXX-XXXX-XXXX-XXXX).

astrbot/core/config/default.py

@@ -30,7 +30,8 @@ DEFAULT_CONFIG = {
             "only_llm_result": True,
             "interval": "1.5,3.5",
             "seg_prompt": "",
-            "regex": ".*?[。？！~…]+|.+$"
+            "regex": ".*?[。？！~…]+|.+$",
+            "filter_regex_content": False
         },
         "no_permission_reply": True,
     },
@@ -229,6 +230,11 @@ CONFIG_METADATA_2 = {
                                 "obvious_hint": True,
                                 "hint": "用于分隔一段消息。默认情况下会根据句号、问号等标点符号分隔。re.findall(r'<regex>', text)",
                             },
+                            "filter_regex_content": {
+                                "description": "过滤正则表达式内容",
+                                "type": "bool",
+                                "hint": "启用后，分段回复时会过滤掉正则表达式匹配的内容。",
+                            },
                         },
                     },
                     "reply_prefix": {

astrbot/core/pipeline/result_decorate/stage.py

@@ -25,6 +25,7 @@ class ResultDecorateStage:
         self.only_llm_result = ctx.astrbot_config['platform_settings']['segmented_reply']['only_llm_result']
         self.seg_prompt = ctx.astrbot_config['platform_settings']['segmented_reply']['seg_prompt']
         self.regex = ctx.astrbot_config['platform_settings']['segmented_reply']['regex']
+        self.filter_regex_content = ctx.astrbot_config['platform_settings']['segmented_reply'].get('filter_regex_content', False)
 
     async def process(self, event: AstrMessageEvent) -> Union[None, AsyncGenerator[None, None]]:
         result = event.get_result()
@@ -69,6 +70,8 @@ class ResultDecorateStage:
                                 continue
                             for seg in split_response:
                                 if seg:
+                                    if self.filter_regex_content:
+                                        seg = re.sub(self.regex, '', seg)
                                     new_chain.append(Plain(seg))
                         else:
                             # 非 Plain 类型的消息段不分段
@@ -126,4 +129,4 @@ class ResultDecorateStage:
             
             # 引用回复
             if self.reply_with_quote:
-                result.chain.insert(0, Reply(id=event.message_obj.message_id))
+                result.chain.insert(0, Reply(id=event.message_obj.message_id))