C#中split的5种方法

C#中split的5种方法

第一种方法： string s=abcdeabcdeabcde; string[] sArray=s.Split('c') ; foreach(string i in sArray) Console.WriteLine(i.ToString()); 输出下面的结果: ab deab deab de 第二种方法： 我们看到了结果是以一个指定的字符进行的分割。使用另一种构造方法对多个字符进行分割: string s="abcdeabcdeabcde"; string[] sArray1=s.Split(new char[3]{'c','d','e'}) ; foreach(string i in sArray1) Console.WriteLine(i.ToString()); 可以输出下面的结果： ab ab ab 第三种方法： 除了以上的这两种方法以外,第三种方法是使用正则表达式。新建一个控制台项目。然后先添加 using System.Text.RegularExpressions; System.Text.RegularExpressions string content=agcsmallmacsmallgggsmallytx; string[]resultString=Regex.Split(content,small,RegexOptions.IgnoreCase) foreach(string i in resultString) Console.WriteLine(i.ToString()); 输出下面的结果: agc mac ggg ytx 第四种方法： string str1=我*****是*****一*****个*****教*****师; string[] str2; str1=str1.Replace(*****,*) ; str2=str1.Split(*) ; foreach(string i in str2) Console.WriteLine(i.ToString()); 第五种方法： string str1=我**是*****一*****个*****教*****师; 我希望显示的结果为:我是一个教师。 我如果采用上面的第四种方法来做就会产生下面的错误：我   是一个教师。中间有空格输出，所以输出结果并不是希望的结果，这就又回到了正则表达式了，这时可以采用下面的第五种方法： string str1=我**是*****一*****个*****教*****师; string[] str2 = System.Text.RegularExpressions.Regex.Split(str1,@[*]+); foreach(string i in str2) Console.WriteLine(i.ToString()); 这里通过[*]+ 巧妙的完成了我们的目标。 http://dl.vmall.com/c07ns310pm http://dl.vmall.com/c0luky7sre http://dl.vmall.com/c0ytpi0ehe http://dl.vmall.com/c0x61ubae5 http://dl.vmall.com/c0n445f2sq http://dl.vmall.com/c0q43uvkaa http://dl.vmall.com/c0e7y6xpar http://dl.vmall.com/c082sxejci http://dl.vmall.com/c0igeb4fri http://dl.vmall.com/c0djjo3fc5 http://dl.vmall.com/c0fyqm9tba http://dl.vmall.com/c0qg18zce3 http://dl.vmall.com/c0x0e2pwpw http://dl.vmall.com/c0rf0b5uub http://dl.vmall.com/c01jsnq26n http://dl.vmall.com/c0ohiztx36 http://dl.vmall.com/c0fktd837j http://dl.vmall.com/c0o5f6q56u http://dl.vmall.com/c0izo66a0r http://dl.vmall.com/c0i6wr4a4u http://dl.vmall.com/c0qb0ghl41 http://dl.vmall.com/c0gruq8ihg http://dl.vmall.com/c0zfs0hhxt http://dl.vmall.com/c0rx0hfgpr 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