How to Get Numbers from a String in Java | Java String Manipulation

Описание: Title: Java Tutorial: Extract Only Digits from a String | Learn Character & Number Handling

Description:
In this tutorial, you will learn how to extract only digits from a string in Java. We will cover:

Using replaceAll() method

Iterating through strings and filtering characters

Storing and printing digits from any text

This is perfect for beginners and intermediate programmers who want to improve their Java string manipulation skills.

✅ Code Example:

String input = "cofo2345";
String digitsOnly = input.replaceAll("\\D", "");
System.out.println(digitsOnly); // Output: 2345


💡 Topics Covered:

Java Strings

Regular Expressions in Java

Character and Number Handling

Basic Java Programming

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