diff --git a/.readthedocs.yml b/.readthedocs.yml
index 5a302fa1..91f1c27f 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -2,8 +2,5 @@
 
 version: 2
 
-sphinx:
-  configuration: docs/conf.py
-
 formats:
   - pdf
diff --git a/platformio/package/manifest/model.py b/platformio/package/manifest/model.py
index 7fdb66e5..47595bc5 100644
--- a/platformio/package/manifest/model.py
+++ b/platformio/package/manifest/model.py
@@ -42,7 +42,7 @@ class ExportModel(DataModel):
 
 
 class ExampleModel(DataModel):
-    name = DataField(max_length=100, regex=r"^[a-zA-Z\d\-\_ ]+$", required=True)
+    name = DataField(max_length=100, regex=r"^[a-zA-Z\d\-\_/ ]+$", required=True)
     base = DataField(required=True)
     files = DataField(type=ListOfType(DataField()))
 
diff --git a/platformio/package/manifest/parser.py b/platformio/package/manifest/parser.py
index 46895ecd..ad364963 100644
--- a/platformio/package/manifest/parser.py
+++ b/platformio/package/manifest/parser.py
@@ -180,6 +180,11 @@ class BaseManifestParser(object):
         result = {}
         last_pio_project = None
         for root, _, files in os.walk(examples_dir):
+            # skip hidden files and folders
+            files = [f for f in files if not f.startswith(".")]
+            if os.path.basename(root).startswith(".") or not files:
+                continue
+
             if is_platformio_project(root):
                 last_pio_project = root
                 result[last_pio_project] = dict(
diff --git a/tests/test_pkgmanifest.py b/tests/test_pkgmanifest.py
index 64e6b88e..d5dabb91 100644
--- a/tests/test_pkgmanifest.py
+++ b/tests/test_pkgmanifest.py
@@ -432,6 +432,7 @@ def test_examples_from_dir(tmpdir_factory):
 
     # PlatformIO project #1
     pio_dir = examples_dir.mkdir("PlatformIO").mkdir("hello")
+    pio_dir.join(".vimrc").write("")
     pio_dir.join("platformio.ini").write("")
     pio_dir.mkdir("include").join("main.h").write("")
     pio_dir.mkdir("src").join("main.cpp").write("")
@@ -470,6 +471,7 @@ def test_examples_from_dir(tmpdir_factory):
 
     data["examples"] = _sort_examples(data["examples"])
     model = ManifestModel(**data)
+    assert model.examples[0].name == "PlatformIO/hello"
     assert model == ManifestModel(
         **{
             "version": "1.0.0",