diff --git a/src/JRexFrame.java b/src/JRexFrame.java
index 7b36c9f..e5eeba1 100644
--- a/src/JRexFrame.java
+++ b/src/JRexFrame.java
@@ -356,6 +356,7 @@
       }// </editor-fold>//GEN-END:initComponents
 
 	private void match() {
+		txtOutput.setText("");
 		String regex = txtRegex.getText();
 		String text = txtInput.getText();
 
@@ -403,6 +404,13 @@
 				Matcher matcher = pattern.matcher(line);
 				while (matcher.find()) {
 
+					// group() matches the entire line if there was a match.
+					// This if-statment is to suppress extra empty groups from being
+					// produced if the regex matches the entire line
+					if(matcher.group().length() != line.length()) {
+						continue;
+					}
+					
 					numMatches++;
 
 					int groupCount = matcher.groupCount();
@@ -429,7 +437,6 @@
 				}
 			}
 
-			txtOutput.setText("");
 			txtOutput.append("Matched " + numMatches + " line(s) out of "
 					+ input.length + " line(s) of input.");
 
@@ -497,7 +504,6 @@
 
 	private void csv() {
 		Integer cols = (Integer) spnColumns.getValue();
-		System.out.println(cols);
 
 		StringBuilder sb = new StringBuilder();
 		for (int i = 0; i < cols - 1; i++) {
@@ -506,13 +512,11 @@
 
 		sb.append("(.*)");
 
-
 		txtRegex.setText(sb.toString());
 	}
 
 	private void tsv() {
 		Integer cols = (Integer) spnColumns.getValue();
-		System.out.println(cols);
 
 		StringBuilder sb = new StringBuilder();
 		for (int i = 0; i < cols - 1; i++) {
@@ -521,7 +525,6 @@
 
 		sb.append("(.*)");
 
-
 		txtRegex.setText(sb.toString());
 	}