From 26471841a846f5a506bff0550265468b267dfc06 Mon Sep 17 00:00:00 2001
From: edizor <113095366+edizor@users.noreply.github.com>
Date: Tue, 15 Nov 2022 10:06:46 +0800
Subject: [PATCH] Update README.md

[skip ci]
---
 core-java-modules/core-java-string-apis-2/README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/core-java-modules/core-java-string-apis-2/README.md b/core-java-modules/core-java-string-apis-2/README.md
index 9c63838268..5476e91169 100644
--- a/core-java-modules/core-java-string-apis-2/README.md
+++ b/core-java-modules/core-java-string-apis-2/README.md
@@ -3,3 +3,4 @@
 This module contains articles about string APIs.
 
 ### Relevant Articles:
+- [Retain Only Digits and Decimal Separator in String](https://www.baeldung.com/java-string-retain-digits-decimal)