diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2934414..fbd8650 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,12 +3,21 @@
 # easy-i18n Changelog
 
 ## [Unreleased]
+### Added
+- Support for IntelliJ Platform version 2022.3
+- Regex support for translation file patterns
+
+### Changed
+- Reload function internally consolidated
+
+### Fixed
+- Parsing for <kbd>.properties</kbd> files
 
 ## [4.2.4]
-### Changed
-- Improved exception handling on syntax errors
+### Changed
+- Improved exception handling on syntax errors
 
-### Fixed
+### Fixed
 - Some settings are not retained on IDE restarts
 
 ## [4.2.3]
diff --git a/gradle.properties b/gradle.properties
index 0ce983e..d171033 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -4,12 +4,12 @@
 pluginGroup = de.marhali.easyi18n
 pluginName = easy-i18n
 # SemVer format -> https://semver.org
-pluginVersion = 4.2.4
+pluginVersion = 4.3.0
 
 # See https://plugins.jetbrains.com/docs/intellij/build-number-ranges.html
 # for insight into build numbers and IntelliJ Platform versions.
 pluginSinceBuild = 203
-pluginUntilBuild = 222.*
+pluginUntilBuild = 223
 
 # IntelliJ Platform Properties -> https://github.com/JetBrains/gradle-intellij-plugin#intellij-platform-properties
 platformType = IU
diff --git a/src/main/java/de/marhali/easyi18n/DataStore.java b/src/main/java/de/marhali/easyi18n/DataStore.java
index b335c88..db0bf31 100644
--- a/src/main/java/de/marhali/easyi18n/DataStore.java
+++ b/src/main/java/de/marhali/easyi18n/DataStore.java
@@ -49,9 +49,6 @@ public class DataStore {
      */
     public void loadFromPersistenceLayer(@NotNull Consumer<Boolean> successResult) {
         ProjectSettings settings = ProjectSettingsService.get(project).getState();
-
-        ApplicationManager.getApplication().saveAll(); // Save opened files (required if new locales were added)
-
         ApplicationManager.getApplication().runReadAction(() -> {
             try {
                 this.data = new IOHandler(project, settings).read();
diff --git a/src/main/java/de/marhali/easyi18n/InstanceManager.java b/src/main/java/de/marhali/easyi18n/InstanceManager.java
index 829c60a..8eddfae 100644
--- a/src/main/java/de/marhali/easyi18n/InstanceManager.java
+++ b/src/main/java/de/marhali/easyi18n/InstanceManager.java
@@ -72,6 +72,7 @@ public class InstanceManager {
      * Fetches data from persistence layer and notifies all endpoints via {@link DataBus}.
      */
     public void reload() {
+        ApplicationManager.getApplication().saveAll(); // Save opened files (required if new locales were added)
         store.loadFromPersistenceLayer((success) ->
                 bus.propagate().onUpdateData(store.getData()));
     }
diff --git a/src/main/java/de/marhali/easyi18n/io/folder/FolderStrategy.java b/src/main/java/de/marhali/easyi18n/io/folder/FolderStrategy.java
index d9161fa..149be8a 100644
--- a/src/main/java/de/marhali/easyi18n/io/folder/FolderStrategy.java
+++ b/src/main/java/de/marhali/easyi18n/io/folder/FolderStrategy.java
@@ -7,8 +7,8 @@ import de.marhali.easyi18n.io.parser.ParserStrategyType;
 import de.marhali.easyi18n.model.TranslationData;
 import de.marhali.easyi18n.model.TranslationFile;
 import de.marhali.easyi18n.settings.ProjectSettings;
+import de.marhali.easyi18n.util.WildcardRegexMatcher;
 
-import org.apache.commons.io.FilenameUtils;
 import org.jetbrains.annotations.NotNull;
 
 import java.io.File;
@@ -51,7 +51,8 @@ public abstract class FolderStrategy {
      * @return true if file matches and should be processed
      */
     protected boolean isFileRelevant(@NotNull VirtualFile file) {
-        return !file.isDirectory() && FilenameUtils.wildcardMatch(file.getName(), this.settings.getFilePattern());
+        return !file.isDirectory()
+                && WildcardRegexMatcher.matchWildcardRegex(file.getName(), settings.getFilePattern());
     }
 
     /**
diff --git a/src/main/java/de/marhali/easyi18n/io/parser/json5/Json5ParserStrategy.java b/src/main/java/de/marhali/easyi18n/io/parser/json5/Json5ParserStrategy.java
index 1baf0ec..70d9224 100644
--- a/src/main/java/de/marhali/easyi18n/io/parser/json5/Json5ParserStrategy.java
+++ b/src/main/java/de/marhali/easyi18n/io/parser/json5/Json5ParserStrategy.java
@@ -26,7 +26,7 @@ import java.util.Objects;
 public class Json5ParserStrategy extends ParserStrategy {
 
     private static final Json5 JSON5 = Json5.builder(builder ->
-            builder.allowInvalidSurrogate().trailingComma().indentFactor(4).build());
+            builder.allowInvalidSurrogate().trailingComma().indentFactor(2).build());
 
     public Json5ParserStrategy(@NotNull ProjectSettings settings) {
         super(settings);
diff --git a/src/main/java/de/marhali/easyi18n/io/parser/properties/PropertiesParserStrategy.java b/src/main/java/de/marhali/easyi18n/io/parser/properties/PropertiesParserStrategy.java
index 936dbf8..007c788 100644
--- a/src/main/java/de/marhali/easyi18n/io/parser/properties/PropertiesParserStrategy.java
+++ b/src/main/java/de/marhali/easyi18n/io/parser/properties/PropertiesParserStrategy.java
@@ -47,9 +47,7 @@ public class PropertiesParserStrategy extends ParserStrategy {
                 throw new SyntaxException(ex.getMessage(), file);
             }
 
-            if(!input.isEmpty()) {
-                PropertiesMapper.read(file.getLocale(), input, targetData, converter);
-            }
+            PropertiesMapper.read(file.getLocale(), input, targetData, converter);
         }
     }
 
diff --git a/src/main/java/de/marhali/easyi18n/service/FileChangeListener.java b/src/main/java/de/marhali/easyi18n/service/FileChangeListener.java
index 00ed6e2..88ce083 100644
--- a/src/main/java/de/marhali/easyi18n/service/FileChangeListener.java
+++ b/src/main/java/de/marhali/easyi18n/service/FileChangeListener.java
@@ -54,10 +54,7 @@ public class FileChangeListener implements AsyncFileListener {
                     events.forEach((e) -> {
                         if(e.getPath().contains(localesPath)) { // Perform reload
                             logger.debug("Detected file change. Reloading instance...");
-                            InstanceManager manager = InstanceManager.get(project);
-                            manager.store().loadFromPersistenceLayer((success) -> {
-                                manager.bus().propagate().onUpdateData(manager.store().getData());
-                            });
+                            InstanceManager.get(project).reload();
                         }
                     });
                 }
diff --git a/src/main/java/de/marhali/easyi18n/settings/ProjectSettingsService.java b/src/main/java/de/marhali/easyi18n/settings/ProjectSettingsService.java
index 1cc0538..3363ec5 100644
--- a/src/main/java/de/marhali/easyi18n/settings/ProjectSettingsService.java
+++ b/src/main/java/de/marhali/easyi18n/settings/ProjectSettingsService.java
@@ -31,7 +31,7 @@ public class ProjectSettingsService implements PersistentStateComponent<ProjectS
      * Sets the provided configuration and invalidates the merged state.
      * @param state New configuration
      */
-    protected void setState(@NotNull ProjectSettingsState state) {
+    public void setState(@NotNull ProjectSettingsState state) {
         this.state = state;
     }
 
diff --git a/src/main/java/de/marhali/easyi18n/util/WildcardRegexMatcher.java b/src/main/java/de/marhali/easyi18n/util/WildcardRegexMatcher.java
new file mode 100644
index 0000000..0ef4d3d
--- /dev/null
+++ b/src/main/java/de/marhali/easyi18n/util/WildcardRegexMatcher.java
@@ -0,0 +1,23 @@
+package de.marhali.easyi18n.util;
+
+import org.apache.commons.io.FilenameUtils;
+
+/**
+ * Utilities for wildcard / regex matching.
+ * @author marhali
+ */
+public class WildcardRegexMatcher {
+    public static boolean matchWildcardRegex(String string, String pattern) {
+        boolean wildcardMatch = FilenameUtils.wildcardMatchOnSystem(string, pattern);
+
+        if(wildcardMatch) {
+            return true;
+        }
+
+        try {
+            return string.matches(pattern);
+        } catch (Exception e) {
+            return false;
+        }
+    }
+}
diff --git a/src/main/java/thito/nodeflow/config/Section.java b/src/main/java/thito/nodeflow/config/Section.java
index 2d9283e..c06fabc 100644
--- a/src/main/java/thito/nodeflow/config/Section.java
+++ b/src/main/java/thito/nodeflow/config/Section.java
@@ -46,7 +46,7 @@ public interface Section {
     }
     static String toString(Section section) {
         DumperOptions options = new DumperOptions();
-        options.setIndent(4);
+        options.setIndent(2);
         options.setAllowUnicode(true);
         options.setPrettyFlow(true);
         options.setDefaultFlowStyle(DumperOptions.FlowStyle.BLOCK);
diff --git a/src/main/resources/messages.properties b/src/main/resources/messages.properties
index 9d46c0e..e7cdeb8 100644
--- a/src/main/resources/messages.properties
+++ b/src/main/resources/messages.properties
@@ -31,7 +31,7 @@ settings.resource.folder.items=Single Directory;Modularized: Locale / Namespace;
 settings.resource.folder.tooltip=What is the folder structure of your translation files?
 settings.resource.parser.items=JSON;JSON5;YAML;YML;Properties;ARB
 settings.resource.parser.tooltip=Which file parser should be used to process your translation files?
-settings.resource.file-pattern.tooltip=Defines a wildcard matcher to filter relevant translation files. For example *.json, *.??? or *.*.
+settings.resource.file-pattern.tooltip=Defines a wildcard matcher or regex pattern to filter relevant translation files. For example *.json, *.??? or *.*.
 settings.resource.nesting.title=Consider subdirectories for modularized translation files
 settings.resource.nesting.tooltip=Validates directories within a module and passes them as a submodule.
 settings.resource.sorting.title=Sort translation keys alphabetically
diff --git a/src/test/java/de/marhali/easyi18n/WildcardRegexMatcherTest.java b/src/test/java/de/marhali/easyi18n/WildcardRegexMatcherTest.java
new file mode 100644
index 0000000..f80d7db
--- /dev/null
+++ b/src/test/java/de/marhali/easyi18n/WildcardRegexMatcherTest.java
@@ -0,0 +1,34 @@
+package de.marhali.easyi18n;
+
+import de.marhali.easyi18n.util.WildcardRegexMatcher;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+/**
+ * Unit tests for {@link WildcardRegexMatcher}.
+ * @author marhali
+ */
+public class WildcardRegexMatcherTest extends WildcardRegexMatcher {
+    @Test
+    public void testWildcard() {
+        Assert.assertTrue(matchWildcardRegex("en.json", "*.json"));
+        Assert.assertTrue(matchWildcardRegex("de.json", "*.json"));
+        Assert.assertFalse(matchWildcardRegex("index.html", "*.json"));
+
+        Assert.assertTrue(matchWildcardRegex("en.json", "*.*"));
+        Assert.assertFalse(matchWildcardRegex("file", "*.*"));
+
+        Assert.assertTrue(matchWildcardRegex("en.txt", "*.???"));
+        Assert.assertFalse(matchWildcardRegex("en.json", "*.???"));
+    }
+
+    @Test
+    public void testRegex() {
+        Assert.assertTrue(matchWildcardRegex("en.json", "^(en|de)\\.json"));
+        Assert.assertFalse(matchWildcardRegex("gb.json", "^(en|de)\\.json"));
+
+        Assert.assertTrue(matchWildcardRegex("en.jpg", "^.*\\.(jpg|JPG|gif|GIF)$"));
+        Assert.assertFalse(matchWildcardRegex("en.json", "^.*\\.(jpg|JPG|gif|GIF)$"));
+    }
+}
\ No newline at end of file
diff --git a/src/test/java/de/marhali/easyi18n/e2e/EndToEndTestCase.java b/src/test/java/de/marhali/easyi18n/e2e/EndToEndTestCase.java
new file mode 100644
index 0000000..7a58781
--- /dev/null
+++ b/src/test/java/de/marhali/easyi18n/e2e/EndToEndTestCase.java
@@ -0,0 +1,85 @@
+package de.marhali.easyi18n.e2e;
+
+import com.intellij.testFramework.fixtures.BasePlatformTestCase;
+
+import de.marhali.easyi18n.InstanceManager;
+import de.marhali.easyi18n.settings.ProjectSettings;
+import de.marhali.easyi18n.settings.ProjectSettingsService;
+import de.marhali.easyi18n.settings.ProjectSettingsState;
+
+import org.apache.commons.io.FileUtils;
+import org.apache.commons.io.filefilter.IOFileFilter;
+import org.apache.commons.io.filefilter.TrueFileFilter;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.Arrays;
+import java.util.Objects;
+
+/**
+ * End-to-end test case.
+ * @author marhali
+ */
+public abstract class EndToEndTestCase extends BasePlatformTestCase {
+
+    private static final Charset CHARSET = StandardCharsets.UTF_8;
+
+    private final ProjectSettings settings;
+    private Path tempPath;
+
+    public EndToEndTestCase(ProjectSettings settings) {
+        this.settings = settings;
+    }
+
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+        ProjectSettingsService.get(getProject()).setState(new ProjectSettingsState(settings));
+        tempPath = Files.createTempDirectory("tests-easyi18n-");
+    }
+
+    @Override
+    protected void tearDown() throws Exception {
+        FileUtils.deleteDirectory(tempPath.toFile());
+        super.tearDown();
+    }
+
+    public void testParseAndSerialize() throws IOException {
+        // Read translation files based on the provided settings
+        InstanceManager.get(getProject()).store().loadFromPersistenceLayer(success -> {});
+
+        // Save the cached translation data to a temporary output directory
+        ProjectSettingsState out = new ProjectSettingsState(settings);
+        out.setLocalesDirectory(tempPath.toString());
+        ProjectSettingsService.get(getProject()).setState(out);
+
+        InstanceManager.get(getProject()).store().saveToPersistenceLayer(success -> {});
+
+        // Compare file structure and contents
+        IOFileFilter fileFilter = TrueFileFilter.INSTANCE;
+
+        File originalDirectory = new File(Objects.requireNonNull(settings.getLocalesDirectory()));
+        File[] originalFiles = FileUtils.listFiles(originalDirectory, fileFilter, fileFilter).toArray(new File[0]);
+
+        File outputDirectory = tempPath.toFile();
+        File[] outputFiles = FileUtils.listFiles(outputDirectory, fileFilter, fileFilter).toArray(new File[0]);
+
+        Arrays.sort(originalFiles);
+        Arrays.sort(outputFiles);
+
+        assertEquals(originalFiles.length, outputFiles.length);
+
+        for(int i = 0; i < originalFiles.length; i++) {
+            File originalFile = originalFiles[i];
+            File outputFile = outputFiles[i];
+
+            // Replace originalFile with os-dependent line-separators
+            assertEquals(FileUtils.readFileToString(originalFile, CHARSET).replace("\n", System.lineSeparator()),
+                    FileUtils.readFileToString(outputFile, CHARSET));
+        }
+    }
+}
diff --git a/src/test/java/de/marhali/easyi18n/e2e/TestSettingsState.java b/src/test/java/de/marhali/easyi18n/e2e/TestSettingsState.java
new file mode 100644
index 0000000..50b403b
--- /dev/null
+++ b/src/test/java/de/marhali/easyi18n/e2e/TestSettingsState.java
@@ -0,0 +1,51 @@
+package de.marhali.easyi18n.e2e;
+
+import de.marhali.easyi18n.io.folder.FolderStrategyType;
+import de.marhali.easyi18n.io.parser.ParserStrategyType;
+import de.marhali.easyi18n.settings.presets.DefaultPreset;
+
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+/**
+ * Settings base for end-to-end tests.
+ * @author marhali
+ */
+public class TestSettingsState extends DefaultPreset {
+
+    private final String localesDirectory;
+    private final FolderStrategyType folderStrategy;
+    private final ParserStrategyType parserStrategy;
+
+    public TestSettingsState(String localesDirectory, FolderStrategyType folderStrategy, ParserStrategyType parserStrategy) {
+        this.localesDirectory = localesDirectory;
+        this.folderStrategy = folderStrategy;
+        this.parserStrategy = parserStrategy;
+    }
+
+
+    @Override
+    public @Nullable String getLocalesDirectory() {
+        return localesDirectory;
+    }
+
+    @Override
+    public @NotNull FolderStrategyType getFolderStrategy() {
+        return folderStrategy;
+    }
+
+    @Override
+    public @NotNull ParserStrategyType getParserStrategy() {
+        return parserStrategy;
+    }
+
+    @Override
+    public @NotNull String getFilePattern() {
+        return "*.*";
+    }
+
+    @Override
+    public boolean isSorting() {
+        return false;
+    }
+}
diff --git a/src/test/java/de/marhali/easyi18n/e2e/single/SingleJson5Test.java b/src/test/java/de/marhali/easyi18n/e2e/single/SingleJson5Test.java
new file mode 100644
index 0000000..ff12ae9
--- /dev/null
+++ b/src/test/java/de/marhali/easyi18n/e2e/single/SingleJson5Test.java
@@ -0,0 +1,20 @@
+package de.marhali.easyi18n.e2e.single;
+
+import de.marhali.easyi18n.e2e.EndToEndTestCase;
+import de.marhali.easyi18n.e2e.TestSettingsState;
+import de.marhali.easyi18n.io.folder.FolderStrategyType;
+import de.marhali.easyi18n.io.parser.ParserStrategyType;
+
+/**
+ * @author marhali
+ * End-to-end tests for single directory json5 files.
+ */
+public class SingleJson5Test extends EndToEndTestCase {
+    public SingleJson5Test() {
+        super(new TestSettingsState(
+                "src/test/resources/single/json5",
+                FolderStrategyType.SINGLE,
+                ParserStrategyType.JSON5)
+        );
+    }
+}
diff --git a/src/test/java/de/marhali/easyi18n/e2e/single/SingleJsonTest.java b/src/test/java/de/marhali/easyi18n/e2e/single/SingleJsonTest.java
new file mode 100644
index 0000000..68f0826
--- /dev/null
+++ b/src/test/java/de/marhali/easyi18n/e2e/single/SingleJsonTest.java
@@ -0,0 +1,20 @@
+package de.marhali.easyi18n.e2e.single;
+
+import de.marhali.easyi18n.e2e.EndToEndTestCase;
+import de.marhali.easyi18n.e2e.TestSettingsState;
+import de.marhali.easyi18n.io.folder.FolderStrategyType;
+import de.marhali.easyi18n.io.parser.ParserStrategyType;
+
+/**
+ * End-to-end tests for single directory json files.
+ * @author marhali
+ */
+public class SingleJsonTest extends EndToEndTestCase {
+    public SingleJsonTest() {
+        super(new TestSettingsState(
+                "src/test/resources/single/json",
+                FolderStrategyType.SINGLE,
+                ParserStrategyType.JSON)
+        );
+    }
+}
diff --git a/src/test/java/de/marhali/easyi18n/e2e/single/SinglePropertiesTest.java b/src/test/java/de/marhali/easyi18n/e2e/single/SinglePropertiesTest.java
new file mode 100644
index 0000000..8420450
--- /dev/null
+++ b/src/test/java/de/marhali/easyi18n/e2e/single/SinglePropertiesTest.java
@@ -0,0 +1,20 @@
+package de.marhali.easyi18n.e2e.single;
+
+import de.marhali.easyi18n.e2e.EndToEndTestCase;
+import de.marhali.easyi18n.e2e.TestSettingsState;
+import de.marhali.easyi18n.io.folder.FolderStrategyType;
+import de.marhali.easyi18n.io.parser.ParserStrategyType;
+
+/**
+ * End-to-end tests for single directory .properties files.
+ * @author marhali
+ */
+public class SinglePropertiesTest extends EndToEndTestCase {
+    public SinglePropertiesTest() {
+        super(new TestSettingsState(
+                "src/test/resources/single/properties",
+                FolderStrategyType.SINGLE,
+                ParserStrategyType.PROPERTIES)
+        );
+    }
+}
\ No newline at end of file
diff --git a/src/test/java/de/marhali/easyi18n/e2e/single/SingleYamlTest.java b/src/test/java/de/marhali/easyi18n/e2e/single/SingleYamlTest.java
new file mode 100644
index 0000000..da609b9
--- /dev/null
+++ b/src/test/java/de/marhali/easyi18n/e2e/single/SingleYamlTest.java
@@ -0,0 +1,20 @@
+package de.marhali.easyi18n.e2e.single;
+
+import de.marhali.easyi18n.e2e.EndToEndTestCase;
+import de.marhali.easyi18n.e2e.TestSettingsState;
+import de.marhali.easyi18n.io.folder.FolderStrategyType;
+import de.marhali.easyi18n.io.parser.ParserStrategyType;
+
+/**
+ * End-to-ends tests for single directory yaml files.
+ * @author marhali
+ */
+public class SingleYamlTest extends EndToEndTestCase {
+    public SingleYamlTest() {
+        super(new TestSettingsState(
+                "src/test/resources/single/yaml",
+                FolderStrategyType.SINGLE,
+                ParserStrategyType.YML)
+        );
+    }
+}
diff --git a/src/test/java/de/marhali/easyi18n/settings/ProjectSettingsServiceTest.java b/src/test/java/de/marhali/easyi18n/settings/ProjectSettingsServiceTest.java
index 94c774f..5ccc4f9 100644
--- a/src/test/java/de/marhali/easyi18n/settings/ProjectSettingsServiceTest.java
+++ b/src/test/java/de/marhali/easyi18n/settings/ProjectSettingsServiceTest.java
@@ -10,9 +10,16 @@ import de.marhali.easyi18n.settings.presets.DefaultPreset;
  * @author marhali
  */
 public class ProjectSettingsServiceTest extends BasePlatformTestCase {
+
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+        ProjectSettingsService.get(getProject()).setState(new ProjectSettingsState());
+    }
+
     public void testSettingsDefaultPreset() {
         ProjectSettingsState state = ProjectSettingsService.get(getProject()).getState();
-        assertEquals(state, new ProjectSettingsState(new DefaultPreset()));
+        assertEquals(new ProjectSettingsState(new DefaultPreset()), state);
     }
 
     public void testPersistenceState() {
diff --git a/src/test/resources/single/json/de.json b/src/test/resources/single/json/de.json
new file mode 100644
index 0000000..145065b
--- /dev/null
+++ b/src/test/resources/single/json/de.json
@@ -0,0 +1,11 @@
+{
+  "title": "Titel",
+  "number": 187,
+  "object": {
+    "title": "Titel"
+  },
+  "array": [
+    "element1",
+    "element2"
+  ]
+}
\ No newline at end of file
diff --git a/src/test/resources/single/json/en.json b/src/test/resources/single/json/en.json
new file mode 100644
index 0000000..b274e3a
--- /dev/null
+++ b/src/test/resources/single/json/en.json
@@ -0,0 +1,11 @@
+{
+  "title": "Title",
+  "number": -187,
+  "object": {
+    "title": "Title"
+  },
+  "array": [
+    "item1",
+    "item2"
+  ]
+}
\ No newline at end of file
diff --git a/src/test/resources/single/json5/de.json5 b/src/test/resources/single/json5/de.json5
new file mode 100644
index 0000000..2f722ae
--- /dev/null
+++ b/src/test/resources/single/json5/de.json5
@@ -0,0 +1,12 @@
+{
+  "title": "Titel",
+  "number": 187,
+  "hex": 0x187,
+  "object": {
+    "title": "Titel",
+  },
+  "array": [
+    "element1",
+    "element2",
+  ],
+}
\ No newline at end of file
diff --git a/src/test/resources/single/json5/en.json5 b/src/test/resources/single/json5/en.json5
new file mode 100644
index 0000000..3161f98
--- /dev/null
+++ b/src/test/resources/single/json5/en.json5
@@ -0,0 +1,12 @@
+{
+  "title": "Title",
+  "number": -187,
+  "hex": -0x187,
+  "object": {
+    "title": "Title",
+  },
+  "array": [
+    "item1",
+    "item2",
+  ],
+}
\ No newline at end of file
diff --git a/src/test/resources/single/properties/de.properties b/src/test/resources/single/properties/de.properties
new file mode 100644
index 0000000..da7cba4
--- /dev/null
+++ b/src/test/resources/single/properties/de.properties
@@ -0,0 +1,2 @@
+breakLine=eins\nzwei
+title=Titel
diff --git a/src/test/resources/single/properties/en.properties b/src/test/resources/single/properties/en.properties
new file mode 100644
index 0000000..f9b8eca
--- /dev/null
+++ b/src/test/resources/single/properties/en.properties
@@ -0,0 +1,2 @@
+breakLine=first\nsecond
+title=Title
diff --git a/src/test/resources/single/yaml/de.yaml b/src/test/resources/single/yaml/de.yaml
new file mode 100644
index 0000000..5e7a01e
--- /dev/null
+++ b/src/test/resources/single/yaml/de.yaml
@@ -0,0 +1,3 @@
+title: Titel
+nested:
+  title: Titel
diff --git a/src/test/resources/single/yaml/en.yaml b/src/test/resources/single/yaml/en.yaml
new file mode 100644
index 0000000..f9e21b7
--- /dev/null
+++ b/src/test/resources/single/yaml/en.yaml
@@ -0,0 +1,3 @@
+title: Title
+nested:
+  title: Title