diff --git a/padaos.py b/padaos.py
index 21c8529..bc7b80c 100644
--- a/padaos.py
+++ b/padaos.py
@@ -37,6 +37,7 @@ def remove_entity(self, name):
                 del self.entity_lines[name]
 
     def _create_pattern(self, line):
+        line = line.lower()
         for pat, rep in (
                 # === Preserve Plain Parentheses ===
                 (r'\(([^\|)]*)\)', r'{~(\1)~}'),  # (hi) -> {~(hi)~}
diff --git a/test_padaos.py b/test_padaos.py
index f9d5a8e..385d8ab 100644
--- a/test_padaos.py
+++ b/test_padaos.py
@@ -35,6 +35,12 @@ def test_case(self):
         self.container.add_intent('test', ['Testing cAPitalizAtion'])
         assert self.container.calc_intent('teStiNg CapitalIzation')['name'] == 'test'
 
+        self.container.add_intent('test2', ['test THE {CaSe}'])
+        self.container.compile()
+        intent = self.container.calc_intent('test the cAPitalizAtion')
+        assert intent["name"] == 'test2'
+        assert intent['entities'] == {'case': 'cAPitalizAtion'}
+
     def test_punctuation(self):
         self.container.add_intent('test', ['Test! Of: Punctuation'])
         assert self.container.calc_intent('test of !punctuation...')['name'] == 'test'