Updated Rejex to catter for apostrophes in words like John's

java-strings-3/src/test/java/com/baeldung/string/wordcount/WordCountUnitTest.java

@@ -3,6 +3,9 @@ package com.baeldung.string.wordcount;
 import static org.junit.Assert.assertEquals;
 
 import org.junit.Test;
+
+import java.util.StringTokenizer;
+
 public class WordCountUnitTest {
     private String string1 = "This is a test sentence with eight words";
     private String string2 = "This#is%a test sentence with eight       words";
@@ -10,11 +13,15 @@ public class WordCountUnitTest {
     @Test
     public void givenStringWith8Words_whenUsingRegexCount_ThenResultEqual8() {
         assertEquals(8, WordCounter.countWordsUsingRegex(string2));
+        assertEquals(9, WordCounter.countWordsUsingRegex("no&one#should%ever-write-like,this;but:well"));
+        assertEquals(7, WordCounter.countWordsUsingRegex("the farmer's wife--she was from Albuquerque"));
     }
 
     @Test
     public void givenStringWith8Words_whenUsingManualMethod_ThenWordCountEqual8() {
         assertEquals(8, WordCounter.countWordsManually(string1));
+        assertEquals(9, WordCounter.countWordsManually("no&one#should%ever-write-like,this but   well"));
+        assertEquals(7, WordCounter.countWordsManually("the farmer's wife--she was from Albuquerque"));
     }
 
     @Test