Change semantics of yapf_exclude.

Author: domdfcoding

repo_helper/configuration/other.py

@@ -58,14 +58,14 @@ class additional_ignore(ConfigVar):  # noqa
 
 class yapf_exclude(ConfigVar):  # noqa
 	"""
-	A list of additional files or directories to exclude from ``yapf`` autoformatting.
+	A list of regular expressions to use to exclude files and directories from ``yapf-isort``.
 
 	Example:
 
 	.. code-block:: yaml
 
 		yapf_exclude:
-		  - "**/templates/"
+		  - ".*/templates/.*"
 	"""
 
 	dtype = List[str]

repo_helper/repo_helper_schema.json

@@ -330,7 +330,7 @@
       "items": {
         "type": "string"
       },
-      "description": "A list of additional files or directories to exclude from ``yapf`` autoformatting."
+      "description": "A list of regular expressions to use to exclude files and directories from ``yapf-isort``."
     },
     "tests_dir": {
       "type": "string",