diff --git a/src/test/java/org/op4j/AssortedTests.java b/src/test/java/org/op4j/AssortedTests.java
index <HASH>..<HASH> 100644
--- a/src/test/java/org/op4j/AssortedTests.java
+++ b/src/test/java/org/op4j/AssortedTests.java
@@ -1813,5 +1813,24 @@ public class AssortedTests extends TestCase {
                 Op.on(set).exec(FnSet.ofCalendar().count())

                 .get().intValue());        

     }

+    

+    @Test

+    public void test68() throws Exception {

+        assertEquals("asd", 

+                Op.on("<>asd<>").exec(FnString.substringBetween("<>"))

+                .get());

+        

+        assertEquals("", 

+                Op.on("<>asd<>").exec(FnString.substringBefore("<>"))

+                .get());

+        

+        assertEquals("<>asd", 

+                Op.on("<>asd<>").exec(FnString.substringBeforeLast("<>"))

+                .get());

+        

+        assertEquals("as", 

+                Op.on("<>asd<>").exec(FnString.substringBetween(">", "d"))

+                .get());         

+    }

 }
substringbefore, after and between added

git-svn-id: <URL>