Java用正则对字符串进行处理并判断是否能转为数

package java_test;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/
  @author: gznc_p
  @date:2018年6月1日 10:50:38
  @version :
  
 /
class Main 
{
  public static void main(String[] args) {
    String lineString = "[\"1\"]";
    String line = "[\"on\",\"1\",\"5\",\"8\",\"10\"]";
    lineString = line.replaceAll("[\"\\[\\]]", "");//用""替换" [ ]
    String[] word = lineString.split(","); //以,切割
    System.out.println(lineString);
    for(int i=0;i<word.length;i++){
      Pattern pattern = Pattern.pile("[0-9]"); //正则，匹配数字
      Matcher matcher = pattern.matcher(word[i]); 
      if(matcher.matches()){
        System.out.println("1:可以转换");
        System.out.println(Integer.parseInt(word[i]));
      }
      else {
        System.out.println("2:不能转换");
        System.out.println(word[i]);
      }
    }
  }
}