diff --git a/core/Form/Primitives/PrimitiveString.class.php b/core/Form/Primitives/PrimitiveString.class.php
index 192feb7a98..6e5d31b66d 100644
--- a/core/Form/Primitives/PrimitiveString.class.php
+++ b/core/Form/Primitives/PrimitiveString.class.php
@@ -21,6 +21,14 @@ class PrimitiveString extends FiltrablePrimitive
 		const MD5_PATTERN	= '/^[0-9a-f]{32}$/';
 		
 		protected $pattern = null;
+
+		/**
+		 * @return null|string
+		 */
+		public function getAllowedPattern()
+		{
+			return $this->pattern;
+		}
 		
 		/**
 		 * @return PrimitiveString
diff --git a/test/core/PrimitiveStringTest.class.php b/test/core/PrimitiveStringTest.class.php
index 386e1933d2..6a3ce95fc3 100644
--- a/test/core/PrimitiveStringTest.class.php
+++ b/test/core/PrimitiveStringTest.class.php
@@ -10,16 +10,38 @@ public function testImport()
 			
 			foreach ($nullValues as $value)
 				$this->assertNull($prm->importValue($value));
-			
+
+			$prm->clean();
 			$falseValues = array(array(), true, false, $prm);
 			
 			foreach ($falseValues as $value)
 				$this->assertFalse($prm->importValue($value));
-			
+
+			$prm->clean();
 			$trueValues = array('some string', -100500, 2011.09);
 			
 			foreach ($trueValues as $value)
 				$this->assertTrue($prm->importValue($value));
+
+
+			$prm->setAllowedPattern(
+				PrimitiveString::MAIL_PATTERN
+			);
+
+			$prm->clean();
+			$trueValues = array('me@example.com', 'example@example.com', 'i.ivanov@example.com');
+
+			foreach ($trueValues as $value)
+				$this->assertTrue($prm->importValue($value));
+
+			$prm->clean();
+			$falseValues = array('example.com', 100500, 2012.04);
+
+			foreach ($falseValues as $value)
+				$this->assertFalse($prm->importValue($value));
+
+
+
 		}
 	}
 ?>
\ No newline at end of file