From 023454b49e6bf2a98804b91a12f84af2f653d128 Mon Sep 17 00:00:00 2001
From: w-e-w <40751091+w-e-w@users.noreply.github.com>
Date: Thu, 21 Nov 2024 11:33:59 +0900
Subject: [PATCH] fix passing of literal backslash (#16671)

---
 .../javascript/prompt-bracket-checker.js                  | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/extensions-builtin/prompt-bracket-checker/javascript/prompt-bracket-checker.js b/extensions-builtin/prompt-bracket-checker/javascript/prompt-bracket-checker.js
index f1f42fe7f0a..a59e584c26d 100644
--- a/extensions-builtin/prompt-bracket-checker/javascript/prompt-bracket-checker.js
+++ b/extensions-builtin/prompt-bracket-checker/javascript/prompt-bracket-checker.js
@@ -4,11 +4,11 @@
 // If there's a mismatch, the keyword counter turns red and if you hover on it, a tooltip tells you what's wrong.
 
 function checkBrackets(textArea, counterElt) {
-    var counts = {};
-    (textArea.value.match(/(?<!\\)[(){}[\]]/g) || []).forEach(bracket => {
-        counts[bracket] = (counts[bracket] || 0) + 1;
+    const counts = {};
+    textArea.value.matchAll(/(?<!\\)(?:\\\\)*?([(){}[\]])/g).forEach(bracket => {
+        counts[bracket[1]] = (counts[bracket[1]] || 0) + 1;
     });
-    var errors = [];
+    const errors = [];
 
     function checkPair(open, close, kind) {
         if (counts[open] !== counts[close]) {