diff --git a/suite_settings/tests.py b/suite_settings/tests.py
index 706c47b..e741d51 100644
--- a/suite_settings/tests.py
+++ b/suite_settings/tests.py
@@ -33,7 +33,7 @@ tests = {
             "tools": {"add": add, "multiply": multiply},
         },
         validator=regex_match_any,
-        validation_input={"patterns": ["33549659245", "33,549,659,245", "33.549.659.245"]},
+        validation_input={"patterns": ["33[,_]?549[,_]?659[,_]?245",]},
     ),
     120: Test(
         name="Complex Multiplication",