From eb7bc2f251f724b3a5e0878a1f0f986a1c527406 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Teemu=20P=C3=A4tsi?= <frendsick@gmail.com>
Date: Tue, 27 May 2025 17:50:44 +0300
Subject: [PATCH] expr: Allow only ASCII digits for regex range quantifiers

---
 src/uu/expr/src/syntax_tree.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/uu/expr/src/syntax_tree.rs b/src/uu/expr/src/syntax_tree.rs
index 9a8fb05f2..0950020c9 100644
--- a/src/uu/expr/src/syntax_tree.rs
+++ b/src/uu/expr/src/syntax_tree.rs
@@ -302,7 +302,7 @@ where
     }
 
     // Check if parsed quantifier is valid
-    let re = Regex::new(r"^(\d*,\d*|\d+)$").expect("valid regular expression");
+    let re = Regex::new(r"^([0-9]*,[0-9]*|[0-9]+)$").expect("valid regular expression");
     if let Some(captures) = re.captures(&quantifier) {
         let matched = captures.at(0).unwrap_or_default();
         match matched.split_once(',') {