util: improve ansi escape code regex

nodejs · Sep 25, 2021 · 3742eb6 · 3742eb6
1 parent f277d75
commit 3742eb6
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/lib/internal/util/inspect.js b/lib/internal/util/inspect.js
@@ -222,7 +222,8 @@ 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');