diff --git a/gradle.properties b/gradle.properties
index 4cef17b..96684ec 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -4,7 +4,7 @@ org.gradle.daemon=false
 mod_id=xp_tools
 mod_name=XP Tools
 mod_license=All Rights Reserved
-mod_version=1.0.1
+mod_version=1.0.2
 mod_group_id=dev.micle
 mod_authors=Micle
 mod_description=Minecraft Forge mod for tweaking various things about XP in Minecraft. Primarily targeted at modpack developers.
diff --git a/src/main/java/dev/micle/xptools/config/Config.java b/src/main/java/dev/micle/xptools/config/Config.java
index 75d9dc3..4691154 100644
--- a/src/main/java/dev/micle/xptools/config/Config.java
+++ b/src/main/java/dev/micle/xptools/config/Config.java
@@ -13,6 +13,7 @@ import net.minecraftforge.fml.event.config.ModConfigEvent;
 import org.apache.commons.lang3.tuple.Pair;
 
 import java.util.*;
+import java.util.stream.Collectors;
 
 @Mod.EventBusSubscriber(modid = XpTools.MOD_ID, bus = Mod.EventBusSubscriber.Bus.MOD)
 public final class Config {
@@ -104,13 +105,13 @@ public final class Config {
                     .comment("Global operations are run before any unique operations.")
                     .comment("Examples:")
                     .comment("'set,0,0,0' - Sets the xp of all blocks to 0.")
-                    .define("blockBreakGlobalOperations", new ArrayList<>());
+                    .defineList("blockBreakGlobalOperations", List.of(), Server::isValidGlobalOperationEntry);
             blockBreakOperationsRaw = builder
                     .comment("List of unique operations. Format: '[block_id/tag_id],[operation],[min],[max],[priority],[is_last]'")
                     .comment("Examples:")
                     .comment("'minecraft:dirt,set,2,2,0,true' - Sets the xp drop of the dirt block to 2, takes highest priority and stops any additional operations.")
                     .comment("'#forge:ores,multiply,1,2,1,false' - Multiplies xp drop of all blocks tagged forge:ores by 1-2, allows additional operations.")
-                    .define("blockBreakOperations", new ArrayList<>());
+                    .defineList("blockBreakOperations", List.of(), Server::isValidOperationEntry);
             builder.pop();
 
             builder.comment("Settings for entity killing").push("entity_killing");
@@ -120,13 +121,13 @@ public final class Config {
                     .comment("Global operations are run before any unique operations.")
                     .comment("Examples:")
                     .comment("'set,0,0,0' - Sets the xp of all entities to 0.")
-                    .define("entityKillGlobalOperations", new ArrayList<>());
+                    .defineList("entityKillGlobalOperations", List.of(), Server::isValidGlobalOperationEntry);
             entityKillOperationsRaw = builder
                     .comment("List of unique operations. Format: '[entity_id/tag_id],[operation],[min],[max],[priority],[is_last]'")
                     .comment("Examples:")
                     .comment("'minecraft:creeper,set,2,2,0,true' - Sets the xp drop for killing creepers to 2, takes highest priority and stops any additional operations.")
                     .comment("'#some_mod:some_tag,multiply,1,2,1,false' - Multiplies the xp drop for killing all entities tagged some_mod:some_tag by 1-2, allows additional operations.")
-                    .define("entityKillOperations", new ArrayList<>());
+                    .defineList("entityKillOperations", List.of(), Server::isValidOperationEntry);
             builder.pop();
         }
 
@@ -161,5 +162,23 @@ public final class Config {
                 entityKillOperationItems.add(OperationItem.fromConfig(s));
             }
         }
+
+        private static boolean isValidGlobalOperationEntry(Object entry) {
+            return entry instanceof String && ((String) entry).matches(
+                    String.format(
+                            "(?i)^(%s),(\\d*\\.?\\d+),(\\d*\\.?\\d+),(\\d+)$",
+                            Arrays.stream(OperationType.values()).map(OperationType::toString).collect(Collectors.joining("|"))
+                    )
+            );
+        }
+
+        private static boolean isValidOperationEntry(Object entry) {
+            return entry instanceof String && ((String) entry).matches(
+                    String.format(
+                            "(?i)^(\\#?\\w+:[\\w\\/]+),(%s),(\\d*\\.?\\d+),(\\d*\\.?\\d+),(\\d+),(TRUE|FALSE)$",
+                            Arrays.stream(OperationType.values()).map(OperationType::toString).collect(Collectors.joining("|"))
+                    )
+            );
+        }
     }
 }