Updated regex

Author: tkyc

src/main/java/com/microsoft/sqlserver/jdbc/SQLServerPreparedStatement.java

@@ -139,7 +139,7 @@ private void setPreparedStatementHandle(int handle) {
      * Regex for JDBC 'call' escape syntax
      */
     private static final Pattern callEscapePattern = Pattern
-            .compile("^\\s*(?i)\\{(\\s*\\??\\s*=?\\s*)call [^\\(\\)]+\\s*(\\((\\s*\\?\\s*,\\s*)*\\?\\s*\\))?\\s*}");
+            .compile("^\\s*(?i)\\{(\\s*\\??\\s*=?\\s*)call [^\\(\\)]+\\s*(\\(\\s*\\?\\s*(,\\s*\\?\\s*)*\\))?\\s*}");
 
     /**
      * Regex for 'exec' escape syntax