1、用字符串分隔:
using System.Text.RegularExpressions;
string str="aaajsbbbjsccc";

string[] sArray=Regex.Split(str,"js",RegexOptions.IgnoreCase);

foreach (string i in sArray) Response.Write(i.ToString() + "<br>");

输出结果:
aaa
bbb
ccc

2、用多个字符来分隔:

string str="aaajbbbscccjdddseee";

string[] sArray=str.Split(new char[]{'j','s'});

foreach(string i in sArray) Response.Write(i.ToString() + "<br>");

输出结果:
aaa
bbb
ccc
ddd
eee

3、用单个字符来分隔:

string str="aaajbbbjccc";

string[] sArray=str.Split('j');

foreach(string i in sArray) Response.Write(i.ToString() + "<br>");

输出结果:
aaa
bbb
ccc


















string[] sArray=str.Split(new char[]{'j','s'});























Split重载方法:
1.public string[] Split(params char[] separator);
2.public string[] Split(char[] separator, int count);
3.[ComVisible(false)]
public string[] Split(char[] separator, StringSplitOptions options);
4.[ComVisible(false)]
public string[] Split(string[] separator, StringSplitOptions options);
5.[ComVisible(false)]
public string[] Split(char[] separator, int count, StringSplitOptions options);
6.[ComVisible(false)]
public string[] Split(string[] separator, int count, StringSplitOptions options);
2.public string[] Split(char[] separator, int count);
3.[ComVisible(false)]
public string[] Split(char[] separator, StringSplitOptions options);
4.[ComVisible(false)]
public string[] Split(string[] separator, StringSplitOptions options);
5.[ComVisible(false)]
public string[] Split(char[] separator, int count, StringSplitOptions options);
6.[ComVisible(false)]
public string[] Split(string[] separator, int count, StringSplitOptions options);
StringSplitOptions options:前后有空项时是否返回空项
如:/2008/1/1 以‘/’分割
1)StringSplitOptions.None 返回 空 2008 1 1
2)StringSplitOptions.RemoveEmptyEntries 返回 2008 1 1
int count:返回分割的项目数