diff --git a/core-java-modules/core-java-string-operations/src/test/java/com/baeldung/splitkeepdelimiters/SplitAndKeepDelimitersUnitTest.java b/core-java-modules/core-java-string-operations-3/src/test/java/com/baeldung/splitkeepdelimiters/SplitAndKeepDelimitersUnitTest.java
similarity index 63%
rename from core-java-modules/core-java-string-operations/src/test/java/com/baeldung/splitkeepdelimiters/SplitAndKeepDelimitersUnitTest.java
rename to core-java-modules/core-java-string-operations-3/src/test/java/com/baeldung/splitkeepdelimiters/SplitAndKeepDelimitersUnitTest.java
index 7a9e0cd710..ede8be4c05 100644
--- a/core-java-modules/core-java-string-operations/src/test/java/com/baeldung/splitkeepdelimiters/SplitAndKeepDelimitersUnitTest.java
+++ b/core-java-modules/core-java-string-operations-3/src/test/java/com/baeldung/splitkeepdelimiters/SplitAndKeepDelimitersUnitTest.java
@@ -14,11 +14,11 @@ public class SplitAndKeepDelimitersUnitTest {
     private final String positivelookAheadRegex = "((?=@))";
     private final String positivelookBehindRegex = "((?<=@))";
     private final String positivelookAroundRegex = "((?=@)|(?<=@))";
-    private final String positiveLookAroundMultiDelimiterRegex = "((?<=;|:|,|#|@|~)|(?=;|:|,|#|@|~))";
+    private final String positiveLookAroundMultiDelimiterRegex = "((?=:|#|@)|(?<=:|#|@))";
 
     private String text = "Hello@World@This@Is@A@Java@Program";
-    private String textMixed = "@Hello;World@This:Is,A#Java~Program";
-    private String textMixed2 = "pg-no.10@hello;world@this:is,a#10words|Java~Program";
+    private String textMixed = "@HelloWorld@This:Is@A#Java#Program";
+    private String textMixed2 = "pg@no;10@hello;world@this;is@a#10words;Java#Program";
 
     @Test
     public void givenString_splitAndKeepDelimiters_using_javaLangString() {
@@ -29,25 +29,31 @@ public class SplitAndKeepDelimitersUnitTest {
 
         assertThat(text.split(positivelookAroundRegex)).containsExactly("Hello", "@", "World", "@", "This", "@", "Is", "@", "A", "@", "Java", "@", "Program");
 
-        assertThat(textMixed.split(positiveLookAroundMultiDelimiterRegex)).containsExactly("@", "Hello", ";", "World", "@", "This", ":", "Is", ",", "A", "#", "Java", "~", "Program");
+        assertThat(textMixed.split(positiveLookAroundMultiDelimiterRegex)).containsExactly("@", "HelloWorld", "@", "This", ":", "Is", "@", "A", "#", "Java", "#", "Program");
 
     }
 
     @Test
     public void givenString_splitAndKeepDelimiters_using_ApacheCommonsLang3StringUtils() {
 
-        assertThat(StringUtils.splitByCharacterType(textMixed2)).containsExactly("pg", "-", "no", ".", "10", "@", "hello", ";", "world", "@", "this", ":", "is", ",", "a", "#", "10", "words", "|", "J", "ava", "~", "P", "rogram");
+        assertThat(StringUtils.splitByCharacterType(textMixed2)).containsExactly("pg", "@", "no", ";", "10", "@", "hello", ";", "world", "@", "this", ";", "is", "@", "a", "#", "10", "words", ";", "J", "ava", "#", "P", "rogram");
 
     }
 
     @Test
     public void givenString_splitAndKeepDelimiters_using_GuavaSplitter() {
 
+        assertThat(Splitter.onPattern(positivelookAroundRegex)
+            .splitToList(text)).containsExactly("Hello", "@", "World", "@", "This", "@", "Is", "@", "A", "@", "Java", "@", "Program");
+
+        assertThat(Splitter.on(Pattern.compile(positivelookAroundRegex))
+            .splitToList(text)).containsExactly("Hello", "@", "World", "@", "This", "@", "Is", "@", "A", "@", "Java", "@", "Program");
+
         assertThat(Splitter.onPattern(positiveLookAroundMultiDelimiterRegex)
-            .splitToList(textMixed)).containsExactly("@", "Hello", ";", "World", "@", "This", ":", "Is", ",", "A", "#", "Java", "~", "Program");
+            .splitToList(textMixed)).containsExactly("@", "HelloWorld", "@", "This", ":", "Is", "@", "A", "#", "Java", "#", "Program");
 
         assertThat(Splitter.on(Pattern.compile(positiveLookAroundMultiDelimiterRegex))
-            .splitToList(textMixed)).containsExactly("@", "Hello", ";", "World", "@", "This", ":", "Is", ",", "A", "#", "Java", "~", "Program");
+            .splitToList(textMixed)).containsExactly("@", "HelloWorld", "@", "This", ":", "Is", "@", "A", "#", "Java", "#", "Program");
 
     }
 }