Extract Integer from a String using java

Extracting Only Integers From the String

Example:

public class string_to_int {



public static void main(String[] args) {


String s ="this is 100 rupees";

                     //D is digit here and " " for storing integer value

int num=Integer.parseInt(s.replaceAll("\\D", ""));
System.out.println(num);





}

}

Output:

100