Allow special characters in rule-set tags

src/server/index.js

@@ -21,9 +21,12 @@ import { matchRoute, detectRuleConflicts } from "./routeMatcher.js";
 import { tcpPing, resolveHost } from "./ping.js";
 
 const APPLY_HISTORY_LIMIT = 10;
+const RULE_SET_TAG_RE = /^[a-z0-9][a-z0-9_.@!-]*$/i;
 const FALLBACK_RULE_SET_CATALOG = {
   geosite: [
     "geosite-category-ru",
+    "geosite-category-ai-!cn",
+    "geosite-geolocation-!cn",
     "geosite-google",
     "geosite-youtube",
     "geosite-telegram",
@@ -648,7 +651,7 @@ function normalizeCustomRules(input) {
       ["tcp", "udp"].includes(network),
     ),
     ruleSets: normalizeList(rule.ruleSets).filter((tag) =>
-      /^[a-z0-9][a-z0-9-]*$/i.test(tag),
+      RULE_SET_TAG_RE.test(tag),
     ),
   }));
 }
@@ -938,7 +941,7 @@ async function handleApi(req, res) {
         url: String(rs.url).trim(),
         format: rs.format === "source" ? "source" : "binary",
       }))
-      .filter((rs) => /^[a-z0-9][a-z0-9-]*$/i.test(rs.tag));
+      .filter((rs) => RULE_SET_TAG_RE.test(rs.tag));
     writeJson(settings.customRuleSetsPath, normalized);
     return sendJson(res, 200, { success: true, ruleSets: normalized });
   }