Skip - prefix variable names when saving. (Ephemeral variables)

src/main/java/ch/njol/skript/lang/Variable.java

@@ -119,15 +119,10 @@ public static boolean isValidVariableName(String name, boolean allowListVariable
 				/*
 				A lot of people already use '-' so we want to skip this warning iff they're using it here
 				*/
-				if (first == '-') {
-					for (VariablesStorage store : Variables.getStores()) {
-						@Nullable Pattern pattern = store.getNamePattern();
-						if (pattern != null && pattern.pattern().equals("(?!-).*"))
-							continue check_reserved_tokens;
-					}
-				}
-				Skript.warning("The character '" + token + "' is reserved at the start of variable names, " +
-					"and may be restricted in future versions");
+				if (first == '-')
+					continue;
+				Skript.warning("The character '" + token + "' is reserved at the start of variable names, "
+					+ "and may be restricted in future versions");
 			}
 		}
 		name = name.startsWith(LOCAL_VARIABLE_TOKEN) ? name.substring(LOCAL_VARIABLE_TOKEN.length()).trim() : name.trim();

src/main/java/ch/njol/skript/variables/VariablesStorage.java

@@ -385,7 +385,7 @@ public void run() {
 	 * @see #variableNamePattern
 	 */
 	boolean accept(@Nullable String var) {
-		if (var == null)
+		if (var == null || var.startsWith("-"))
 			return false;
 
 		return variableNamePattern == null || variableNamePattern.matcher(var).matches();