From d8e350d60394046d5a4accb095450f4b4ff047e7 Mon Sep 17 00:00:00 2001
From: Nick O'Leary <nick.oleary@gmail.com>
Date: Mon, 1 Aug 2022 21:05:52 +0100
Subject: [PATCH] Allow generateNodeNames to handle names containing regex
 control characters Fixes #3813

---
 .../@node-red/editor-client/src/js/ui/view-tools.js             | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/node_modules/@node-red/editor-client/src/js/ui/view-tools.js b/packages/node_modules/@node-red/editor-client/src/js/ui/view-tools.js
index bc81d4a43..3588b38bf 100644
--- a/packages/node_modules/@node-red/editor-client/src/js/ui/view-tools.js
+++ b/packages/node_modules/@node-red/editor-client/src/js/ui/view-tools.js
@@ -1015,7 +1015,7 @@ RED.view.tools = (function() {
                 const nodeDef = n._def || RED.nodes.getType(n.type)
                 if (nodeDef && nodeDef.defaults && nodeDef.defaults.name) {
                     const paletteLabel = RED.utils.getPaletteLabel(n.type, nodeDef)
-                    const defaultNodeNameRE = new RegExp('^'+paletteLabel+' (\\d+)$')
+                    const defaultNodeNameRE = new RegExp('^'+paletteLabel.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')+' (\\d+)$')
                     if (!typeIndex.hasOwnProperty(n.type)) {
                         const existingNodes = RED.nodes.filterNodes({type: n.type})
                         let maxNameNumber = 0;