Allow plus signs in labels.

bids-standard · Sep 20, 2024 · 0afce3c · 0afce3c
1 parent 0698f5a
commit 0afce3c
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/schema/objects/formats.yaml b/src/schema/objects/formats.yaml
@@ -10,7 +10,8 @@ label:
   display_name: Label
   description: |
     Freeform labels without special characters.
-  pattern: '[0-9a-zA-Z]+'
+    Plus signs (+) are allowed, typically used to separate labels.
+  pattern: '[0-9a-zA-Z+]+'
 # Metadata types
 boolean:
   display_name: Boolean