From a242c99972d51fbc8daad1a5087b7facd9a5b6bf Mon Sep 17 00:00:00 2001
From: dordsor21 <dordsor21@gmail.com>
Date: Sat, 16 Mar 2024 12:46:11 +0000
Subject: [PATCH] fix: do not error when attempting to parse "|" as a pattern

---
 .../extension/factory/parser/DefaultBlockParser.java          | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/extension/factory/parser/DefaultBlockParser.java b/worldedit-core/src/main/java/com/sk89q/worldedit/extension/factory/parser/DefaultBlockParser.java
index 0e70a18a66..969216896d 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/extension/factory/parser/DefaultBlockParser.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/extension/factory/parser/DefaultBlockParser.java
@@ -64,6 +64,7 @@
 import com.sk89q.worldedit.world.entity.EntityTypes;
 import com.sk89q.worldedit.world.registry.LegacyMapper;
 
+import javax.annotation.Nonnull;
 import java.util.Arrays;
 import java.util.HashMap;
 import java.util.Locale;
@@ -337,9 +338,10 @@ public Stream<String> getSuggestions(String input) {
         return SuggestionHelper.getBlockPropertySuggestions(blockType, props);
     }
 
+    @Nonnull
     private BaseBlock parseLogic(String input, ParserContext context) throws InputParseException {
         //FAWE start
-        String[] blockAndExtraData = input.trim().split("\\|");
+        String[] blockAndExtraData = input.trim().split("(?<!^)\\|");
         blockAndExtraData[0] = woolMapper(blockAndExtraData[0]);
         Map<Property<?>, Object> blockStates = new HashMap<>();
         //FAWE end