diff --git a/lib/Assert/Assertion.php b/lib/Assert/Assertion.php
index 81bc978..f399751 100644
--- a/lib/Assert/Assertion.php
+++ b/lib/Assert/Assertion.php
@@ -1974,13 +1974,7 @@ public static function isJsonString($value, $message = null, ?string $propertyPa
      */
     public static function uuid($value, $message = null, ?string $propertyPath = null): bool
     {
-        $value = \str_replace(['urn:', 'uuid:', '{', '}'], '', $value);
-
-        if ('00000000-0000-0000-0000-000000000000' === $value) {
-            return true;
-        }
-
-        if (!\preg_match('/^[0-9A-Fa-f]{8}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{12}$/', $value)) {
+        if (!\preg_match('/^(?:urn:)?(?:uuid:)?(\{)?[0-9A-Fa-f]{8}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{12}(?(1)\})$/D', $value)) {
             $message = \sprintf(
                 static::generateMessage($message ?: 'Value "%s" is not a valid UUID.'),
                 static::stringify($value)
diff --git a/tests/Assert/Tests/AssertTest.php b/tests/Assert/Tests/AssertTest.php
index 849d644..09cca10 100644
--- a/tests/Assert/Tests/AssertTest.php
+++ b/tests/Assert/Tests/AssertTest.php
@@ -1256,6 +1256,12 @@ public function providesValidUuids(): array
             ['ff6f8cb0-c57d-51e1-9b21-0800200c9a66'],
             ['FF6F8CB0-C57D-11E1-9B21-0800200C9A66'],
             ['00000000-0000-0000-0000-000000000000'],
+            ['urn:uuid:ff6f8cb0-c57d-11e1-9b21-0800200c9a66'],
+            ['urn:ff6f8cb0-c57d-11e1-9b21-0800200c9a66'],
+            ['uuid:ff6f8cb0-c57d-11e1-9b21-0800200c9a66'],
+            ['{ff6f8cb0-c57d-11e1-9b21-0800200c9a66}'],
+            ['urn:uuid:{ff6f8cb0-c57d-11e1-9b21-0800200c9a66}'],
+            ['{00000000-0000-0000-0000-000000000000}'],
         ];
     }
 
@@ -1267,6 +1273,12 @@ public function providesInvalidUuids(): array
             ['ff6f8cb0-c57da-51e1-9b21-0800200c9a66'],
             ['af6f8cb-c57d-11e1-9b21-0800200c9a66'],
             ['3f6f8cb0-c57d-11e1-9b21-0800200c9a6'],
+            ['{ff6f8cb0-c57d-11e1-9b21-0800200c9a66'],
+            ['ff6f8cb0-c57d-11e1-9b21-0800200c9a66}'],
+            ['ff6f8cb0-{c57d}-11e1-9b21-0800200c9a66'],
+            ['ff6f8cb0-c57d-11e1-9b21-0800uuid:200c9a66'],
+            ["ff6f8cb0-c57d-11e1-9b21-0800200c9a66\n"],
+            ["{ff6f8cb0-c57d-11e1-9b21-0800200c9a66}\n"],
         ];
     }