C# 分割字符串

1. 单个字符分割  

string str = "1,2,3,4,5";
string[] strList = str.Split(',');
//结果为strList=["1","2","3","4","5"];

2. 使用指定字符串分割

string str = "我$temp和$temp你";
string strTemp = "$temp";//使用该字符串分割
string[] arr = Regex.Split(str, strTemp, RegexOptions.IgnoreCase);
 //结果为：arr= ["我"，"和","你"];