From b7606aece04c34aead742889b4400cc4b7e7b491 Mon Sep 17 00:00:00 2001
From: creeper123123321 <creeper123123321@gmail.com>
Date: Wed, 31 Oct 2018 16:26:55 -0300
Subject: [PATCH] Tolerate some identifiers. Should fix #1063

---
 .../protocol1_13to1_12_2/packets/InventoryPackets.java          | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/common/src/main/java/us/myles/ViaVersion/protocols/protocol1_13to1_12_2/packets/InventoryPackets.java b/common/src/main/java/us/myles/ViaVersion/protocols/protocol1_13to1_12_2/packets/InventoryPackets.java
index fce53597a..3ba30ba7b 100644
--- a/common/src/main/java/us/myles/ViaVersion/protocols/protocol1_13to1_12_2/packets/InventoryPackets.java
+++ b/common/src/main/java/us/myles/ViaVersion/protocols/protocol1_13to1_12_2/packets/InventoryPackets.java
@@ -447,7 +447,7 @@ public class InventoryPackets {
             case "WDL|REQUEST":
                 return "wdl:request";
             default:
-                return old.matches("[0-9a-z_-]+:[0-9a-z_/.-]+") // Identifier regex
+                return old.matches("([0-9a-z_-]*:)?[0-9a-z_/.-]*") // Identifier regex
                         ? old
                         : "viaversion:legacy/" + BaseEncoding.base32().lowerCase().withPadChar('-').encode(
                         old.getBytes(StandardCharsets.UTF_8));