diff --git a/.gitignore b/.gitignore
index 7bf9a27d..330a5686 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,3 @@
-/__tests__/e2e/.vitepress/cache
 /coverage
 /src/client/shared.ts
 /src/node/shared.ts
@@ -10,6 +9,7 @@
 .vite_opt_cache
 .vscode
 dist
+cache
 examples-temp
 node_modules
 pnpm-global
diff --git a/docs/test.md b/docs/test.md
deleted file mode 100644
index 1e9f9cbe..00000000
--- a/docs/test.md
+++ /dev/null
@@ -1,84 +0,0 @@
-# Code Groups
-
-::: code-group
-
-```txt-vue{1}
-{{ 1 + 1 }}
-```
-
-```js [app.vue]
-<template>
-  <NuxtLayout>
-    <NuxtPage />
-  </NuxtLayout>
-</template>
-```
-
-<!-- kkk -->
-
-```vue-html{3,4} [layouts/custom.vue]
-<template>
-  <div>
-    Some *custom* layout
-    Lorem ipsum dolor sit amet, consectetur adipiscing elit. Curabitur imperdiet mi in nunc faucibus consequat.
-    <slot />
-  </div>
-</template>
-```
-
-```js{1-3,5} [layouts/default.vue]
-export default {
-  name: 'MyComponent'
-  // ...
-}
-<template>
-  <div>
-    Some *custom* layout
-    <slot />
-  </div>
-</template>
-```
-
-:::
-
-- in list
-
-- ::: code-group
-
-  ```js
-  printf('111')
-  ```
-
-  ```python
-  import torch as th
-  print("Hello world")
-  ```
-
-  ```
-  import torch as th
-  print("Hello world")
-  ```
-
-  :::
-
-```
-.
-├─ index.md
-├─ foo
-│  ├─ index.md
-│  ├─ one.md
-│  └─ two.md
-└─ bar
-   ├─ index.md
-   ├─ three.md
-   └─ four.md
-```
-
-- ```md{1-3,5}
-  [Home](/) <!-- sends the user to the root index.md -->
-  [foo](/foo/) <!-- sends the user to index.html of directory foo -->
-  [foo heading](./#heading) <!-- anchors user to a heading in the foo index file -->
-  [bar - three](../bar/three) <!-- you can omit extention -->
-  [bar - three](../bar/three.md) <!-- you can append .md -->
-  [bar - four](../bar/four.html) <!-- or you can append .html -->
-  ```
diff --git a/package.json b/package.json
index 7de34198..a4052efc 100644
--- a/package.json
+++ b/package.json
@@ -84,7 +84,6 @@
     "@vue/devtools-api": "^6.4.5",
     "@vueuse/core": "^9.6.0",
     "body-scroll-lock": "4.0.0-beta.0",
-    "nanoid": "3.3.4",
     "shiki": "^0.11.1",
     "vite": "^4.0.0",
     "vue": "^3.2.45"
@@ -139,6 +138,7 @@
     "markdown-it-emoji": "^2.0.2",
     "micromatch": "^4.0.5",
     "minimist": "^1.2.7",
+    "nanoid": "^3.3.4",
     "npm-run-all": "^4.1.5",
     "ora": "^5.4.1",
     "picocolors": "^1.0.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index aedac2a7..0261a3d9 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -59,7 +59,7 @@ importers:
       markdown-it-emoji: ^2.0.2
       micromatch: ^4.0.5
       minimist: ^1.2.7
-      nanoid: 3.3.4
+      nanoid: ^3.3.4
       npm-run-all: ^4.1.5
       ora: ^5.4.1
       picocolors: ^1.0.0
@@ -92,7 +92,6 @@ importers:
       '@vue/devtools-api': 6.4.5
       '@vueuse/core': 9.6.0_vue@3.2.45
       body-scroll-lock: 4.0.0-beta.0
-      nanoid: 3.3.4
       shiki: 0.11.1
       vite: 4.0.0_@types+node@18.11.13
       vue: 3.2.45
@@ -146,6 +145,7 @@ importers:
       markdown-it-emoji: 2.0.2
       micromatch: 4.0.5
       minimist: 1.2.7
+      nanoid: 3.3.4
       npm-run-all: 4.1.5
       ora: 5.4.1
       picocolors: 1.0.0
diff --git a/src/node/markdown/plugins/lineNumbers.ts b/src/node/markdown/plugins/lineNumbers.ts
index 33a91f5d..076f3a78 100644
--- a/src/node/markdown/plugins/lineNumbers.ts
+++ b/src/node/markdown/plugins/lineNumbers.ts
@@ -21,7 +21,7 @@ export const lineNumberPlugin = (md: MarkdownIt) => {
 
     const finalCode = rawCode
       .replace(/<\/div>$/, `${lineNumbersWrapperCode}</div>`)
-      .replace(/"(language-\S*?)"/, '"$1 line-numbers-mode"')
+      .replace(/"(language-[^"]*?)"/, '"$1 line-numbers-mode"')
 
     return finalCode
   }