minor cleanup of chunktag

plugin/src/main/java/com/denizenscript/denizen/objects/ChunkTag.java

@@ -73,55 +73,32 @@ public static ChunkTag valueOf(String string) {
         return valueOf(string, null);
     }
 
-    /**
-     * Gets a Chunk Object from a string form of x,z,world.
-     * This is not to be confused with the 'x,y,z,world' of a
-     * location, which is a finer grain of unit in a WorldTags.
-     *
-     * @param string the string or dScript argument String
-     * @return a ChunkTag, or null if incorrectly formatted
-     */
     @Fetchable("ch")
     public static ChunkTag valueOf(String string, TagContext context) {
         if (string == null) {
             return null;
         }
-
         string = CoreUtilities.toLowerCase(string).replace("ch@", "");
-
-        ////////
-        // Match location formats
-
-        // Get a location to fetch its chunk, return if null
         String[] parts = string.split(",");
-        if (parts.length == 3) {
-            try {
-                return new ChunkTag(new WorldTag(parts[2]), Integer.parseInt(parts[0]), Integer.parseInt(parts[1]));
-            }
-            catch (Exception e) {
-                if (context == null || context.showErrors()) {
-                    Debug.log("Minor: valueOf ChunkTag returning null: " + "ch@" + string);
-                }
-                return null;
+        if (parts.length != 3) {
+            if (context == null || context.showErrors()) {
+                Debug.log("Minor: valueOf ChunkTag unable to handle malformed format: " + "ch@" + string);
             }
-
+            return null;
         }
-        else {
+        try {
+            return new ChunkTag(new WorldTag(parts[2]), Integer.parseInt(parts[0]), Integer.parseInt(parts[1]));
+        }
+        catch (Exception e) {
             if (context == null || context.showErrors()) {
-                Debug.log("Minor: valueOf ChunkTag unable to handle malformed format: " + "ch@" + string);
+                Debug.log("Minor: valueOf ChunkTag returning null: " + "ch@" + string);
             }
+            return null;
         }
-
-        return null;
     }
 
     public static boolean matches(String string) {
-        if (CoreUtilities.toLowerCase(string).startsWith("ch@")) {
-            return true;
-        }
-        else {
-            return false;
-        }
+        return valueOf(string, CoreUtilities.noDebugContext) != null;
     }
 
     int chunkX, chunkZ;