diff --git a/src/RegexTool.java b/src/RegexTool.java
index e2fbe38..d315eef 100644
--- a/src/RegexTool.java
+++ b/src/RegexTool.java
@@ -78,8 +78,13 @@
 	private JButton jButton2 = null;
 	private JPanel jPanel = null;
 	private JPanel jPanel3 = null;
-	private JCheckBox cbMultiline = null;
+
+   private JCheckBox cbMultiline = null;
 	private JLabel lblMultiline = null;
+   
+	private JCheckBox cbNulls = new JCheckBox();;
+	private JLabel lblNulls = new JLabel("Use Nulls?");   
+   
 	private JLabel lblDirtyHackySpacer = null;
 	/**
 	 * This method initializes pnlButtons
@@ -97,6 +102,9 @@
 				this.pnlButtons = new JPanel();
 				pnlButtons.add(lblMultiline, null);
 				pnlButtons.add(getCbMultiline(), null);
+				pnlButtons.add(new JLabel("   "), null);
+            pnlButtons.add(lblNulls, null);
+            pnlButtons.add(cbNulls, null);
 				pnlButtons.add(lblDirtyHackySpacer, null);
 				this.pnlButtons.add(getBtnMatch(), null);
 				this.pnlButtons.add(getJButton(), null);
@@ -460,6 +468,17 @@
 		Iterator it = this.groupList.iterator();
 		while (it.hasNext()) {
 			Object[] groups = (Object[]) it.next();
+
+         // replace empty strings with "null" (handy for DB inserts)
+         if (cbNulls.isSelected()) {
+
+            for (int i = 0; i < groups.length; i++) {
+               Object object = groups[i];
+               if (object.toString().isEmpty()) {
+                  groups[i] = "null";
+               }
+            }
+         }
 			this.taFormatted.append(String.format(formatter, groups) + "\n");
 		}
 	}