diff --git a/tests/Anagram/AnagramTest.php b/tests/Anagram/AnagramTest.php
index bb7e759..55c76a9 100644
--- a/tests/Anagram/AnagramTest.php
+++ b/tests/Anagram/AnagramTest.php
@@ -36,4 +36,16 @@ public function testCanCheckString3(): void
         self::markTestSkipped();
         self::assertFalse(Anagram::check('roast beef', 'goat roast'));
     }
+
+    public function testCanCheckStringPunctuation(): void
+    {
+        self::markTestSkipped();
+        self::assertTrue(Anagram::check('Elv.is', 'lives'));
+    }
+
+    public function testCanCheckStringWhitespace(): void
+    {
+        self::markTestSkipped();
+        self::assertTrue(Anagram::check('El vis', 'lives'));
+    }
 }
diff --git a/tests/Anagram/Complete/AnagramCompleteTest.php b/tests/Anagram/Complete/AnagramCompleteTest.php
index b9b9208..a37cae0 100644
--- a/tests/Anagram/Complete/AnagramCompleteTest.php
+++ b/tests/Anagram/Complete/AnagramCompleteTest.php
@@ -23,4 +23,14 @@ public function testCanCheckString3(): void
     {
         self::assertFalse(AnagramComplete::check('roast beef', 'goat roast'));
     }
+
+    public function testCanCheckStringPunctuation(): void
+    {
+        self::assertTrue(AnagramComplete::check('Elv.is', 'lives'));
+    }
+
+    public function testCanCheckStringWhitespace(): void
+    {
+        self::assertTrue(AnagramComplete::check('El vis', 'lives'));
+    }
 }