diff --git a/src/validators/uuid.py b/src/validators/uuid.py
index ca6b1ba0..c3f149a7 100644
--- a/src/validators/uuid.py
+++ b/src/validators/uuid.py
@@ -35,9 +35,9 @@ def uuid(value: Union[str, UUID], /):
         return False
     if isinstance(value, UUID):
         return True
-    try:
-        return UUID(value) or re.match(
-            r"^[0-9a-fA-F]{8}-([0-9a-fA-F]{4}-){3}[0-9a-fA-F]{12}$", value
-        )
-    except ValueError:
-        return False
+    # Not UUID(value): it drops hyphens wherever they are and reads the rest with int(),
+    # which also takes "0x", signs, underscores, surrounding spaces and non-ASCII digits.
+    return re.fullmatch(
+        r"(?:urn:uuid:)?(\{)?[0-9a-fA-F]{8}(-?)(?:[0-9a-fA-F]{4}\2){3}[0-9a-fA-F]{12}(?(1)\})",
+        value,
+    )
diff --git a/tests/test_uuid.py b/tests/test_uuid.py
index b4f40d29..c0c03d35 100644
--- a/tests/test_uuid.py
+++ b/tests/test_uuid.py
@@ -18,6 +18,10 @@
         ("2bc1c94f-0deb-43e9-92a1-4775189ec9f8",),
         (uuid4(),),
         ("888256d7c49341f19fa33f29d3f820d7",),
+        ("2BC1C94F-0DEB-43E9-92A1-4775189EC9F8",),
+        ("{2bc1c94f-0deb-43e9-92a1-4775189ec9f8}",),
+        ("{888256d7c49341f19fa33f29d3f820d7}",),
+        ("urn:uuid:2bc1c94f-0deb-43e9-92a1-4775189ec9f8",),
     ],
 )
 def test_returns_true_on_valid_uuid(value: Union[str, UUID]):
@@ -32,6 +36,13 @@ def test_returns_true_on_valid_uuid(value: Union[str, UUID]):
         ("2bc1c94f-0deb-43e9-92a1-4775189ec9f",),
         ("gbc1c94f-0deb-43e9-92a1-4775189ec9f8",),
         ("2bc1c94f 0deb-43e9-92a1-4775189ec9f8",),
+        ("2bc1c94f-0deb4-3e9-92a1-4775189ec9f8",),
+        ("2bc1c94f-0deb43e992a14775189ec9f8",),
+        ("0xc1c94f0deb43e992a14775189ec9f8",),
+        ("+bc1c94f0deb43e992a14775189ec9f8",),
+        ("2bc1c94f_deb43e992a14775189ec9f8",),
+        (" bc1c94f0deb43e992a14775189ec9f ",),
+        ("2bc1c94f-0deb-43e9-92a1-4775189ec9f8}",),
     ],
 )
 def test_returns_failed_validation_on_invalid_uuid(value: Union[str, UUID]):