fdkankan-task/src/main/java/com/fdkankan/task/jobhandler/util/Utils.java

package com.fdkankan.task.jobhandler.util;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Utils {

    public static boolean isNumber(String str){
        Pattern pattern = Pattern.compile("[0-9]*");
        Matcher isNum = pattern.matcher(str);
        if (!isNum.matches()){
            return false;
        } else {
            return true;
        }
    }
}