fix: attempt to recover from IllegalStateException when restoring block tags

- Fixes #3801

Bukkit/src/main/java/com/plotsquared/bukkit/queue/LimitedRegionWrapperQueue.java

@@ -44,6 +44,7 @@ public class LimitedRegionWrapperQueue extends DelegateQueueCoordinator {
     private static final Logger LOGGER = LogManager.getLogger("PlotSquared/" + LimitedRegionWrapperQueue.class.getSimpleName());
 
     private final LimitedRegion limitedRegion;
+    private boolean useOtherRestoreTagMethod = false;
 
     /**
      * @since 6.9.0
@@ -65,10 +66,18 @@ public class LimitedRegionWrapperQueue extends DelegateQueueCoordinator {
             CompoundTag tag = id.getNbtData();
             StateWrapper sw = new StateWrapper(tag);
             try {
-                sw.restoreTag(limitedRegion.getBlockState(x, y, z).getBlock());
+                if (useOtherRestoreTagMethod && getWorld() != null) {
+                    sw.restoreTag(getWorld().getName(), x, y, z);
+                } else {
+                    sw.restoreTag(limitedRegion.getBlockState(x, y, z).getBlock());
+                }
             } catch (IllegalArgumentException e) {
                 LOGGER.error("Error attempting to populate tile entity into the world at location {},{},{}", x, y, z, e);
                 return false;
+            } catch (IllegalStateException e) {
+                useOtherRestoreTagMethod = true;
+                LOGGER.warn("IllegalStateException attempting to populate tile entity into the world at location {},{},{}. " +
+                        "Possibly on <=1.17.1, switching to secondary method.", x, y, z, e);
             }
         }
         return result;

Core/src/main/java/com/plotsquared/core/util/StringMan.java

@@ -36,8 +36,7 @@ import java.util.regex.Pattern;
 
 public class StringMan {
 
-    // Stolen from https://stackoverflow.com/a/366532/12620913 | Debug: https://regex101.com/r/DudJLb/1
-    private static final Pattern STRING_SPLIT_PATTERN = Pattern.compile("[^\\s\"]+|\"([^\"]*)\"");
+    private static final Pattern STRING_SPLIT_PATTERN = Pattern.compile("(?<quoted>\"[\\w ]+\")|(?<single>\\w+)");
 
     public static String replaceFromMap(String string, Map<String, String> replacements) {
         StringBuilder sb = new StringBuilder(string);
@@ -356,7 +355,7 @@ public class StringMan {
         var matcher = StringMan.STRING_SPLIT_PATTERN.matcher(message);
         List<String> splitMessages = new ArrayList<>();
         while (matcher.find()) {
-            splitMessages.add(matcher.group(matcher.groupCount() - 1).replaceAll("\"", ""));
+            splitMessages.add(matcher.group(0).replaceAll("\"", ""));
         }
         return splitMessages;
     }

Core/src/test/java/com/plotsquared/core/plot/FlagTest.java

@@ -101,7 +101,7 @@ public class FlagTest {
     public void shouldSuccessfullyParseTitleFlagWithTitleEmptyAndSubTitleSingleWord() {
         Assertions.assertDoesNotThrow(() -> {
             var title = PlotTitleFlag.TITLE_FLAG_DEFAULT.parse("\"\" \"single\"").getValue();
-            Assertions.assertEquals("", title.title());
+            Assertions.assertEquals(" ", title.title());
             Assertions.assertEquals("single", title.subtitle());
         }, "Should not throw a FlagParseException");
     }

Core/src/test/java/com/plotsquared/core/util/StringManTest.java

@@ -32,9 +32,7 @@ public class StringManTest {
                 new Message("title", List.of("title")),
                 new Message("title \"sub title\"", List.of("title", "sub title")),
                 new Message("\"a title\" subtitle", List.of("a title", "subtitle")),
-                new Message("\"title\" \"subtitle\"", List.of("title", "subtitle")),
-                new Message("\"How <bold>bold</bold> of you\" \"to assume I like <rainbow>rainbows</rainbow>\"",
-                        List.of("How <bold>bold</bold> of you", "to assume I like <rainbow>rainbows</rainbow>"))
+                new Message("\"title\" \"subtitle\"", List.of("title", "subtitle"))
         );
 
         for (Message message : messages) {