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  • c# Split

    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)
    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
    string[] 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
    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(',')

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  • 原文地址:https://www.cnblogs.com/future/p/10710394.html
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