Fix SQLServerPlatform regular expression SQL

lib/Doctrine/DBAL/Platforms/SQLServerPlatform.php

@@ -34,6 +34,7 @@ use Doctrine\DBAL\Schema\Table;
  * @author Roman Borschel <roman@code-factory.org>
  * @author Jonathan H. Wage <jonwage@gmail.com>
  * @author Benjamin Eberlei <kontakt@beberlei.de>
+ * @author Steve Müller <st.mueller@dzh-online.de>
  */
 class SQLServerPlatform extends AbstractPlatform
 {
@@ -455,14 +456,6 @@ class SQLServerPlatform extends AbstractPlatform
         return 'DROP VIEW ' . $name;
     }
 
-    /**
-     * {@inheritDoc}
-     */
-    public function getRegexpExpression()
-    {
-        return 'RLIKE';
-    }
-
     /**
      * {@inheritDoc}
      */

tests/Doctrine/Tests/DBAL/Platforms/SQLServerPlatformTest.php

@@ -36,9 +36,16 @@ class SQLServerPlatformTest extends AbstractPlatformTestCase
         );
     }
 
+    /**
+     * @expectedException Doctrine\DBAL\DBALException
+     */
+    public function testDoesNotSupportRegexp()
+    {
+        $this->_platform->getRegexpExpression();
+    }
+
     public function testGeneratesSqlSnippets()
     {
-        $this->assertEquals('RLIKE', $this->_platform->getRegexpExpression(), 'Regular expression operator is not correct');
         $this->assertEquals('"', $this->_platform->getIdentifierQuoteCharacter(), 'Identifier quote character is not correct');
         $this->assertEquals('(column1 + column2 + column3)', $this->_platform->getConcatExpression('column1', 'column2', 'column3'), 'Concatenation expression is not correct');
     }