ui: markdown: 使用非贪婪匹配

packages/hydrooj/package.json

@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "2.28.32",
+    "version": "2.28.33",
     "bin": "bin/hydrooj.js",
     "main": "dist/loader.js",
     "typings": "dist/loader.d.ts",

packages/ui-default/backendlib/markdown-it-media.js

@@ -30,7 +30,7 @@ function mfrParser(url) {
   const match = url.match(mfrRegex);
   return match ? match[1] : url;
 }
-const EMBED_REGEX = /@\[([a-zA-Z].+)]\((.*?)[)]/im;
+const EMBED_REGEX = /@\[([a-zA-Z].+?)]\((.*?)[)]/im;
 function extractVideoParameters(url) {
   const parameterMap = new Map();
   const params = url.replace(/&/gi, '&').split(/[#?&]/);