util: improve ansi escape code regex

PR-URL: #40214 Reviewed-By: Ruben Bridgewater <[email protected]> Reviewed-By: Matteo Collina <[email protected]> Reviewed-By: Minwoo Jung <[email protected]> Reviewed-By: James M Snell <[email protected]>
nodejs · Oct 2, 2021 · 606bb52 · 606bb52
1 parent 396b14b
commit 606bb52
Showing 1 changed file with 2 additions and 1 deletion.
diff --git 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');