diff --git a/core-java-modules/core-java-string-operations-6/README.md b/core-java-modules/core-java-string-operations-6/README.md
index e866f50860..febc3b16bd 100644
--- a/core-java-modules/core-java-string-operations-6/README.md
+++ b/core-java-modules/core-java-string-operations-6/README.md
@@ -5,4 +5,5 @@
 - [Check if a String Is All Uppercase or Lowercase in Java](https://www.baeldung.com/java-check-string-uppercase-lowercase)
 - [Java – Generate Random String](https://www.baeldung.com/java-random-string)
 - [Fixing “constant string too long” Build Error](https://www.baeldung.com/java-constant-string-too-long-error)
-- [Compact Strings in Java 9](https://www.baeldung.com/java-9-compact-string)
\ No newline at end of file
+- [Compact Strings in Java 9](https://www.baeldung.com/java-9-compact-string)
+- [Split a String Into Digit and Non-Digit Substrings](https://www.baeldung.com/java-split-string-digits-letters)