diff --git a/util/test/rdtest/testcase.py b/util/test/rdtest/testcase.py
index a2a5b4f4b..4c53df320 100644
--- a/util/test/rdtest/testcase.py
+++ b/util/test/rdtest/testcase.py
@@ -566,7 +566,7 @@ class TestCase:
         remaining = ''
 
         # Otherwise, take off any child if we haven't started recursing
-        m = re.match("([a-zA-Z0-9_]+)(\[|\..*)", path)
+        m = re.match("([a-zA-Z0-9_]+)(\[.*|\..*)", path)
         if m:
             child = m.group(1)
             remaining = m.group(2)