From 66d310167725dc7785b6cc684f1c3c0b4af8fe6c Mon Sep 17 00:00:00 2001
From: cjihrig <cjihrig@gmail.com>
Date: Sat, 25 Sep 2021 11:48:38 -0400
Subject: [PATCH] util: improve ansi escape code regex

PR-URL: https://github.com/nodejs/node/pull/40214
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Minwoo Jung <nodecorelab@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
---
 lib/internal/util/inspect.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/internal/util/inspect.js b/lib/internal/util/inspect.js
index 298a9d98976b76..4936ab761ddccb 100644
--- a/lib/internal/util/inspect.js
+++ b/lib/internal/util/inspect.js
@@ -223,7 +223,8 @@ const meta = [
 // License: MIT, authors: @sindresorhus, Qix-, arjunmehta and LitoMore
 // Matches all ansi escape code sequences in a string
 const ansiPattern = '[\\u001B\\u009B][[\\]()#;?]*' +
-  '(?:(?:(?:[a-zA-Z\\d]*(?:;[-a-zA-Z\\d\\/#&.:=?%@~_]*)*)?\\u0007)' +
+  '(?:(?:(?:(?:;[-a-zA-Z\\d\\/#&.:=?%@~_]+)*' +
+  '|[a-zA-Z\\d]+(?:;[-a-zA-Z\\d\\/#&.:=?%@~_]*)*)?\\u0007)' +
   '|(?:(?:\\d{1,4}(?:;\\d{0,4})*)?[\\dA-PR-TZcf-ntqry=><~]))';
 const ansi = new RegExp(ansiPattern, 'g');