Java用正则对字符串进行处理并判断是否能转为数字

package java_test;import java.util.regex.Matcher;import java.util.regex.Pattern;/** * @author: gznc_pcc * @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.compile("[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]);      }    }  }}