diff --git a/jambo/parser/string_type_parser.py b/jambo/parser/string_type_parser.py
index 409aea2..dc44ca4 100644
--- a/jambo/parser/string_type_parser.py
+++ b/jambo/parser/string_type_parser.py
@@ -24,7 +24,7 @@ class StringTypeParser(GenericTypeParser):
             if not isinstance(default_value, str):
                 raise ValueError(
                     f"Default value for {name} must be a string, "
-                    f"but got {type(properties['default'])}."
+                    f"but got <{type(properties['default']).__name__}>."
                 )
 
             if len(default_value) > properties.get("maxLength", float("inf")):
diff --git a/tests/parser/test_array_type_parser.py b/tests/parser/test_array_type_parser.py
index f8d69ca..9c06a46 100644
--- a/tests/parser/test_array_type_parser.py
+++ b/tests/parser/test_array_type_parser.py
@@ -69,10 +69,10 @@ class TestArrayTypeParser(TestCase):
         with self.assertRaises(ValueError) as context:
             parser.from_properties("placeholder", properties)
 
-            self.assertEqual(
-                str(context.exception),
-                "All items in the default list must be of type str",
-            )
+        self.assertEqual(
+            str(context.exception),
+            "All items in the default list must be of type str",
+        )
 
     def test_array_parser_with_invalid_default_type(self):
         parser = ArrayTypeParser()
@@ -82,9 +82,9 @@ class TestArrayTypeParser(TestCase):
         with self.assertRaises(ValueError) as context:
             parser.from_properties("placeholder", properties)
 
-            self.assertEqual(
-                str(context.exception), "Default value must be a list, got str"
-            )
+        self.assertEqual(
+            str(context.exception), "Default value must be a list, got str"
+        )
 
     def test_array_parser_with_invalid_default_min(self):
         parser = ArrayTypeParser()
@@ -94,9 +94,9 @@ class TestArrayTypeParser(TestCase):
         with self.assertRaises(ValueError) as context:
             parser.from_properties("placeholder", properties)
 
-            self.assertEqual(
-                str(context.exception), "Default list is below minItems limit of 2"
-            )
+        self.assertEqual(
+            str(context.exception), "Default list is below minItems limit of 2"
+        )
 
     def test_array_parser_with_invalid_default_max(self):
         parser = ArrayTypeParser()
@@ -110,6 +110,6 @@ class TestArrayTypeParser(TestCase):
         with self.assertRaises(ValueError) as context:
             parser.from_properties("placeholder", properties)
 
-            self.assertEqual(
-                str(context.exception), "Default list exceeds maxItems limit of 3"
-            )
+        self.assertEqual(
+            str(context.exception), "Default list exceeds maxItems limit of 3"
+        )
diff --git a/tests/parser/test_string_type_parser.py b/tests/parser/test_string_type_parser.py
new file mode 100644
index 0000000..f5d19fe
--- /dev/null
+++ b/tests/parser/test_string_type_parser.py
@@ -0,0 +1,102 @@
+from unittest import TestCase
+
+from jambo.parser import StringTypeParser
+
+
+class TestStringTypeParser(TestCase):
+    def test_string_parser_no_options(self):
+        parser = StringTypeParser()
+
+        properties = {"type": "string"}
+
+        type_parsing, type_validator = parser.from_properties("placeholder", properties)
+
+        self.assertEqual(type_parsing, str)
+
+    def test_string_parser_with_options(self):
+        parser = StringTypeParser()
+
+        properties = {
+            "type": "string",
+            "maxLength": 10,
+            "minLength": 1,
+            "pattern": "^[a-zA-Z]+$",
+        }
+
+        type_parsing, type_validator = parser.from_properties("placeholder", properties)
+
+        self.assertEqual(type_parsing, str)
+        self.assertEqual(type_validator["max_length"], 10)
+        self.assertEqual(type_validator["min_length"], 1)
+        self.assertEqual(type_validator["pattern"], "^[a-zA-Z]+$")
+
+    def test_string_parser_with_default_value(self):
+        parser = StringTypeParser()
+
+        properties = {
+            "type": "string",
+            "default": "default_value",
+            "maxLength": 20,
+            "minLength": 5,
+        }
+
+        type_parsing, type_validator = parser.from_properties("placeholder", properties)
+
+        self.assertEqual(type_parsing, str)
+        self.assertEqual(type_validator["default"], "default_value")
+        self.assertEqual(type_validator["max_length"], 20)
+        self.assertEqual(type_validator["min_length"], 5)
+
+    def test_string_parser_with_invalid_default_value_type(self):
+        parser = StringTypeParser()
+
+        properties = {
+            "type": "string",
+            "default": 12345,  # Invalid default value
+            "maxLength": 20,
+            "minLength": 5,
+        }
+
+        with self.assertRaises(ValueError) as context:
+            parser.from_properties("placeholder", properties)
+
+        self.assertEqual(
+            str(context.exception),
+            "Default value for placeholder must be a string, but got <int>.",
+        )
+
+    def test_string_parser_with_default_invalid_maxlength(self):
+        parser = StringTypeParser()
+
+        properties = {
+            "type": "string",
+            "default": "default_value",
+            "maxLength": 2,
+            "minLength": 1,
+        }
+
+        with self.assertRaises(ValueError) as context:
+            parser.from_properties("placeholder", properties)
+
+        self.assertEqual(
+            str(context.exception),
+            "Default value for placeholder exceeds maxLength limit of 2",
+        )
+
+    def test_string_parser_with_default_invalid_minlength(self):
+        parser = StringTypeParser()
+
+        properties = {
+            "type": "string",
+            "default": "a",
+            "maxLength": 20,
+            "minLength": 2,
+        }
+
+        with self.assertRaises(ValueError) as context:
+            parser.from_properties("placeholder", properties)
+
+        self.assertEqual(
+            str(context.exception),
+            "Default value for placeholder is below minLength limit of 2",
+        )