How To Delete All Characters From a String Leaving Only Numbers In Java

LEVEL: Beginner

Whats in this post?

  1. Code
  2. Output
  3. Background and Explanation of the code

Code

To copy code: Click  View Source “View Source” on the right of this code snippet.

Background and Explanation of the code

A program that uses the string method replaceAll. What the program does is, it replaces all the characters in a string except the numbers.
It prints out the original string and the modified one.