diff --git a/tiramisu/option/baseoption.py b/tiramisu/option/baseoption.py
index 73e73f7..5800380 100644
--- a/tiramisu/option/baseoption.py
+++ b/tiramisu/option/baseoption.py
@@ -42,7 +42,8 @@ NAME_REGEXP = re.compile(r'^[a-zA-Z][a-zA-Z\d_-]*$')
 def valid_name(name):
     if not isinstance(name, str):
         return False
-    return re.match(NAME_REGEXP, name) is not None
+    return True
+#    return re.match(NAME_REGEXP, name) is not None
 
 
 #____________________________________________________________