C#中的split函数用法详解

下边我们通过一些实例来说明下怎么使用(以下string words = "1,2.3,,4";)：

1. public string[] Split(params char[] separator)

程序代码 

string[] split = words.Split(new Char[] { ',' });//返回:{"1","2.3","","4"}

string[] split = words.Split(new Char[] { ',', '.' });//返回:{"1","2","3","","4"} 

2. public string[] Split(char[] separator, int count)ITPUB个人空间,n:H!C0M/S3U\u0002P

程序代码 

string[] split = words.Split(new Char[] { ',', '.' }, 2);//返回:{"1","2.3,,4"}

string[] split = words.Split(new Char[] { ',', '.' }, 6);//返回:{"1","2","3","","4"} 

3. public string[] Split(char[] separator, StringSplitOptions options)

程序代码 

string[] split = words.Split(new Char[] { ',', '.' }, StringSplitOptions.RemoveEmptyEntries);//返回:{"1","2","3","4"} 不保留空元素

string[] split = words.Split(new Char[] { ',', '.' }, StringSplitOptions.None);//返回:{"1","2","3","","4"} 保留空元素 

4. public string[] Split(string[] separator, StringSplitOptions options)

程序代码 

string[] split = words.Split(new string[] { ",", "." }, StringSplitOptions.RemoveEmptyEntries);//返回:{"1","2","3","4"} 不保留空元素

\u0002w1I+Ch%^\u0017}0string[] split = words.Split(new string[] { ",", "." }, StringSplitOptions.None);//返回:{"1","2","3","","4"} 保留空元素 

5. public string[] Split(char[] separator, int count, StringSplitOptions options)

程序代码 

string[] split = words.Split(new Char[] { ',', '.' }, 2, StringSplitOptions.RemoveEmptyEntries);//返回:{"1","2.3,,4"} 不保留空元素ITPUB个人空间1K;e\u0007f\u0008f }\u0011C n

string[] split = words.Split(new Char[] { ',', '.' }, 6, StringSplitOptions.None);//返回:{"1","2","3","","4"} 保留空元素 

6. public string[] Split(string[] separator, int count, StringSplitOptions options)

程序代码 

string[] split = words.Split(new string[] { ",", "." }, 2, StringSplitOptions.RemoveEmptyEntries);//返回:{"1","2.3,,4"} 不保留空元素

string[] split = words.Split(new string[] { ",", "." }, 6, StringSplitOptions.None);//返回:{"1","2","3","","4"} 保留空元素 

需要注意的是没有重载函数public string[] Split(string[] separator)，所以我们不能像VB.NET那样使用words.Split(",")，而只能使用words.Split(',')

原文地址：http://wenku.baidu.com/link?url=lJHbcT6vCLlWnOpiaKiXz1Sh9y7xDYIr_T00ZXe7Wn0QD7-Yj1__iCAHN_GTKi9Qwq7jGbWtfr_jCTyKNWishUGw6nXxnaEF8OrX8VTHtSC