使用Scanner完成字符序列分解时出现错误
```java
package ch8;
import java.util.Scanner;
public class bct8_51 {
public static void main(String[] args) {
System.out.println("输出一个字符串:");
Scanner reader=new Scanner(System.in);
Scanner str=reader.nextLine();
String regex="[\\D]+";
String woders[]=str.split(regex);
for(int i=0;i<woders.length;i++) {
int m=i+1;
System.out.println("输出数字:"+woders[i]);
}
}
}
```