This is the last ammend to the regex 100% real don't doubt it

Author: echedey-ls

docs/sphinx/source/conf.py

@@ -384,14 +384,15 @@ def setup(app):
 suppress_warnings = ['ref.footnote']
 
 # settings for sphinx-gallery
+sep = os.path.sep
 sphinx_gallery_conf = {
     'examples_dirs': ['../../examples'],  # location of gallery scripts
     'gallery_dirs': ['gallery'],  # location of generated output
 
     # do not execute gallery examples that begin with NX_
     # os.path.sep in negative lookahead ensures exclusive match of filename
     # https://sphinx-gallery.github.io/stable/configuration.html#parsing-and-executing-examples-via-matching-patterns  # noqa: E501
-    'filename_pattern': rf"^((?!{os.path.sep}NX_).)*$",
+    'filename_pattern': rf"^(?!{sep}.*?{sep})((?!{sep}NX_).)*$",
 
     # directory where function/class granular galleries are stored
     'backreferences_dir': 'reference/generated/gallery_backreferences',