diff --git a/core-java-modules/core-java-regex-2/README.md b/core-java-modules/core-java-regex-2/README.md
index 7920ac456d..a73c8c4e89 100644
--- a/core-java-modules/core-java-regex-2/README.md
+++ b/core-java-modules/core-java-regex-2/README.md
@@ -1,3 +1,4 @@
 ### Relevant Articles:
 
 - [Non-Capturing Regex Groups in Java](https://www.baeldung.com/java-regex-non-capturing-groups)
+- [Lookahead and Lookbehind in Java Regex](https://www.baeldung.com/java-regex-lookahead-lookbehind)