diff --git a/others/Orlando/reportOrlandosImp.md b/others/Orlando/reportOrlandosImp.md
new file mode 100644
index 0000000000000000000000000000000000000000..504a41a8fe7d6264ad8191c51288ef3c9fb9d025
--- /dev/null
+++ b/others/Orlando/reportOrlandosImp.md
@@ -0,0 +1,4 @@
+| Name    | Interface break | Failed Testcases                                                                                                              |
+|---------|-----------------|-------------------------------------------------------------------------------------------------------------------------------|
+| Orlando | no              | test_add_multiple_negative_numbers (test_stringclaculator.TestStringCalculator) ... negatives not allowed: -10, -20, -30 FAIL |
+| Orlando | no              | test_add_single_negative_number (test_stringclaculator.TestStringCalculator) ... negatives not allowed: -2 FAIL               |
\ No newline at end of file
diff --git a/src/stringcalculator.py b/src/stringcalculator.py
index 4b8e76f33e53fb4ef8cdc900d5930821fb39baed..f48f2e8c85d9b1acc3b6bd36299155789d269fa1 100644
--- a/src/stringcalculator.py
+++ b/src/stringcalculator.py
@@ -1,7 +1,6 @@
 from src.interfaces import IStringCalculator
 import re
 
-
 class StringCalculator(IStringCalculator):
     def add(self, numbers: str) -> int:
         if not numbers:
@@ -11,7 +10,11 @@ class StringCalculator(IStringCalculator):
             if "\n" not in numbers:
                 raise ValueError("Ungültiges Format: Nicht vollständig")
             delimiter_end_index = numbers.index("\n")
-            delimiter = numbers[2:delimiter_end_index]
+            delimiter_part = numbers[2:delimiter_end_index]
+            if delimiter_part.startswith("[") and delimiter_part.endswith("]"):
+                delimiter = delimiter_part[1:-1]
+            else:
+                delimiter = delimiter_part
             numbers = numbers[delimiter_end_index + 1:]
             numbers = numbers.replace(delimiter, ",")
 
@@ -29,4 +32,4 @@ class StringCalculator(IStringCalculator):
 
         numbers_list = [num for num in numbers_list if num <= 1000]
 
-        return sum(numbers_list)
\ No newline at end of file
+        return sum(numbers_list)
diff --git a/tests/test_stringclaculator.py b/tests/testStringcalculator.py
similarity index 84%
rename from tests/test_stringclaculator.py
rename to tests/testStringcalculator.py
index a0c1d7668215796feb20d932160f840f2e5a09db..718074c4fd68c2eed352909c674200bec6964548 100644
--- a/tests/test_stringclaculator.py
+++ b/tests/testStringcalculator.py
@@ -19,11 +19,18 @@
 #Feature5 Zahlen größer 1000 nicht erkennen
 # Bei Eingabe von 2,1001 soll 2 ausgegeben werden
 # Bei Eingabe von 1002, 50200 soll 0 asugegeben werden
+#Feature6 Begrenzungszeichen beliebig lang
+# Bei Eingabe von //[**]\n1**2**3 soll 6 ausgegeben werden
+# Bei Eingabe von //[###]\n10###20###30 soll 60 ausgegeben werden
 
-
+'''
 import unittest
 from src.interfaces import IStringCalculator
 from src.stringcalculator import StringCalculator
+'''
+import unittest
+from others.Orlando.OrlandoInterfaces import IStringCalculator
+from others.Orlando.OrlandoStringCalculator import StringCalculator
 
 class TestStringCalculator(unittest.TestCase):
     def setUp(self):
@@ -71,8 +78,12 @@ class TestStringCalculator(unittest.TestCase):
         self.assertEqual(self.calculator.add("2,1001"), 2)
         self.assertEqual(self.calculator.add("1002,50200"), 0)
 
+    def test_add_with_custom_delimiter_multiple_characters(self):
+        self.assertEqual(self.calculator.add("//[**]\n1**2**3"), 6)
+        self.assertEqual(self.calculator.add("//[###]\n10###20###30"), 60)
+
 if __name__ == "__main__":
     unittest.main()
 
-# python -m unittest tests.test_stringcalculator
+# python -m unittest tests.testStringcalculator -v
 # python -m unittest discover -s tests -v
\ No newline at end of file
diff --git a/testsOthers/testsOrlando/reportOrlandosTests.md b/testsOthers/testsOrlando/reportOrlandosTests.md
new file mode 100644
index 0000000000000000000000000000000000000000..a94c9501558ed94066dd150ff207521b2b73dda6
--- /dev/null
+++ b/testsOthers/testsOrlando/reportOrlandosTests.md
@@ -0,0 +1,5 @@
+| Name    | Interface break | Failed Testcases                                                                                                                     | Comment                                                                                                                                                                         |
+|---------|-----------------|--------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| Orlando | no              | test_add_ignores_empty_entries (testsOthers.testsOrlando.OrlandoTestStringCalculator.TestStringCalculator) ... ERROR                 | Mit numbers.split(",") wird eine Liste mit leeren Strings wobei diese dann nicht in integer umgewandelt werden können. Lösungsansatz: Vor der Umwandlung leere Strings enfernen |
+| Orlando | no              | test_add_raises_exception_on_multiple_negatives (testsOthers.testsOrlando.OrlandoTestStringCalculator.TestStringCalculator) ... FAIL |                                                                                                                                                                                 |
+| Orlando | no              | test_add_raises_exception_on_negative_number (testsOthers.testsOrlando.OrlandoTestStringCalculator.TestStringCalculator) ... FAIL    |                                                                                                                                                                                 |
\ No newline at end of file