From 2c1a8c85d22651acf584b95b4533f1b9fa264c7b Mon Sep 17 00:00:00 2001
From: gengjiawen <technicalcute@gmail.com>
Date: Thu, 7 Mar 2019 22:33:29 +0800
Subject: [PATCH] repl: simplify regex expression
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PR-URL: https://github.com/nodejs/node/pull/26496
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Anto Aravinth <anto.aravinth.cse@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
---
 lib/repl.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/repl.js b/lib/repl.js
index ecf81a9ac3c288..3bc08274404b99 100644
--- a/lib/repl.js
+++ b/lib/repl.js
@@ -1337,8 +1337,8 @@ function _memory(cmd) {
   if (cmd) {
     // Going down is { and (   e.g. function() {
     // going up is } and )
-    var dw = cmd.match(/{|\(/g);
-    var up = cmd.match(/}|\)/g);
+    let dw = cmd.match(/[{(]/g);
+    let up = cmd.match(/[})]/g);
     up = up ? up.length : 0;
     dw = dw ? dw.length : 0;
     var depth = dw - up;