From afde460fe681ae83286ec604ed6375f39da0cb0a Mon Sep 17 00:00:00 2001
From: Tatsunori Uchino <tats.u@live.jp>
Date: Thu, 11 Jan 2024 23:26:48 +0900
Subject: [PATCH] Fix regexp

---
 packages/docusaurus-theme-common/src/utils/codeBlockUtils.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/docusaurus-theme-common/src/utils/codeBlockUtils.ts b/packages/docusaurus-theme-common/src/utils/codeBlockUtils.ts
index 8a6e16f190b8..3d545655f673 100644
--- a/packages/docusaurus-theme-common/src/utils/codeBlockUtils.ts
+++ b/packages/docusaurus-theme-common/src/utils/codeBlockUtils.ts
@@ -28,7 +28,7 @@ const commentPatterns = {
   wasm: {start: '\\;\\;', end: ''},
   tex: {start: '%', end: ''},
   vb: {start: "['‘’]", end: ''},
-  vbnet: {start: "_\s*['‘’]", end: ''}, // Visual Studio 2019 or later
+  vbnet: {start: "(?:_\\s*)?['‘’]", end: ''}, // Visual Studio 2019 or later
   rem: {start: '[Rr][Ee][Mm]\\b', end: ''},
   f90: {start: '!', end: ''}, // Free format only
   ml: {start: '\\(\\*', end: '\\*\\)'},