fix

thephpleague · Jul 22, 2024 · 4684c68 · 4684c68
1 parent 256f63b
commit 4684c68
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/Extension/Attributes/Util/AttributesHelper.php b/src/Extension/Attributes/Util/AttributesHelper.php
@@ -24,7 +24,7 @@
 final class AttributesHelper
 {
     private const SINGLE_ATTRIBUTE = '\s*([.]-?[_a-z][^\s}]*|[#][^\s}]+|' . RegexHelper::PARTIAL_ATTRIBUTENAME . RegexHelper::PARTIAL_ATTRIBUTEVALUESPEC . '?)\s*';
-    private const ATTRIBUTE_LIST   = '/^{:?(' . self::SINGLE_ATTRIBUTE . ')+}/i';
+    private const ATTRIBUTE_LIST   = '/^{(?!{):?(' . self::SINGLE_ATTRIBUTE . ')+}(?!})/i';
 
     /**
      * @return array<string, mixed>