diff -r ce33736066b1 -r 0b05bc13aadd java/sql-dk/test/info/globalcode/sql/dk/FunctionsTest.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/java/sql-dk/test/info/globalcode/sql/dk/FunctionsTest.java	Tue Dec 24 00:15:04 2013 +0100
@@ -0,0 +1,59 @@
+/**
+ * SQL-DK
+ * Copyright © 2013 František Kučera (frantovo.cz)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package info.globalcode.sql.dk;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import org.testng.annotations.Test;
+import static org.testng.Assert.*;
+
+/**
+ *
+ * @author Ing. František Kučera (frantovo.cz)
+ */
+public class FunctionsTest {
+
+	@Test
+	public void testEscapeRegEx() {
+		for (String original : new String[]{"abcd", "1234", "xxx", "\\Eescape\\Q", "\\Qescape\\E", "abc\\Eescape\\Qdef.", ".", ""}) {
+			String patternString = Functions.escapeRegEx(original);
+			System.out.println(original + " → " + patternString);
+
+			Pattern pattern = Pattern.compile(patternString);
+
+			String testString;
+			Matcher m;
+
+			testString = original;
+			m = pattern.matcher(testString);
+			assertTrue(m.matches(), "Pattern does not match original string: " + testString);
+
+			testString = original + "x";
+			m = pattern.matcher(testString);
+			assertFalse(m.matches(), "Pattern matches wrong string: " + testString);
+
+			testString = "x" + original;
+			m = pattern.matcher(testString);
+			assertFalse(m.matches(), "Pattern matches wrong string: " + testString);
+
+			testString = (original + "ab").substring(1);
+			m = pattern.matcher(testString);
+			assertFalse(m.matches(), "Pattern matches wrong string: " + testString);
+		}
+	}
+}