Update src/schema/objects/formats.yaml

Author: effigies

src/schema/objects/formats.yaml

@@ -47,15 +47,7 @@ hed_version:
   display_name: HED Version
   description: |
     The version string of the used HED schema.
-  pattern: "\
-    (?:[a-zA-Z]+:)?\
-    (?:[a-zA-Z]+_)?\
-    (?:0|[1-9][0-9]*)\\.(?:0|[1-9][0-9]*)\\.(?:0|[1-9][0-9]*)\
-    (?:-(?:\
-      (?:0|[1-9][0-9]*|[0-9]*[a-zA-Z-][0-9a-zA-Z\\-]*)\
-      (?:\\.(?:0|[1-9][0-9]*|[0-9]*[a-zA-Z\\-][0-9a-zA-Z\\-]*))*\
-    ))?\
-    (?:\\+(?:[0-9a-zA-Z\\-]+(?:\\.[0-9a-zA-Z\\-]+)*))?"
+  pattern: "(?:[a-zA-Z]+:)?(?:[a-zA-Z]+_)?(?:0|[1-9][0-9]*)\\.(?:0|[1-9][0-9]*)\\.(?:0|[1-9][0-9]*)"
 bids_uri:
   display_name: BIDS uniform resource indicator
   description: |