/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
	String []c = "hellow,oeld342".replaceAll("[^0-9,]", "").split(",");
	System.out.println("----0---: "+c[0].length());
		System.out.println("--1---: "+c[1]);
		System.out.println("--length---: "+c.length);
	}
}

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