字符串 变 数组，求函数

Question

string a=“1,2,3,ff”
给个函数 变成数组，分隔符 就是 , 
谢谢

Answer 1

string[] b=a.split(new char[]{','});

Answer 2

string a = "1,2,3,ff";
string[] ar = a.Split(',');

Answer 3

   string s = "1,2,3,ff";
            string[] sList = s.Split(',');
            foreach (string item in sList)
            {
                Console.WriteLine(item);
            }

Answer 4

string str.split(',')
1、2、3楼都对啊

Answer 5

string[] aaa = a.Split(',');

Answer 6

            string a = "1,2,3,ff";
            string[] ar = a.Split(',');
            
            foreach(string str in ar)
            {
                try
                {
                    MessageBox.Show(Convert.ToInt32(str).ToString()+" 是数字" );
                    //能转换 说明是数字, 可以装到你想要的数组中
                }
                catch
                {
                    MessageBox.Show(str+" 不是数字!");
                }
            }

Answer 7

using System;
using System.Collections.Generic;
using System.Text;
using System.Collections;
namespace CSDN
{
    class Program
    {
        static void Main(string[] args)
        {
            string a="1,2,3,ff";
            string[] b = a.Split(',');
            foreach (string item in b)
            {
                Console.WriteLine(item );
            }
        }
    }
}楼上都对