利用正则表达式来反转一句话,以单词为单位_c#应…

public static int Main(string[] args)
{

Console.WriteLine("============================");
string s = "im a student,my name is yuhong!ok!!!";

string[] sArray = System.Text.RegularExpressions.Regex.Split(s, @"[^\w] ", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
//记录标点符号
string[] sArray2 = System.Text.RegularExpressions.Regex.Split(s, @"[\w] ",System.Text.RegularExpressions.RegexOptions.IgnoreCase);
int start = 0;
int end = sArray.Length - 1;
while (start<end)
{
string tmp = sArray[start];
sArray[start] = sArray[end];
sArray[end] =tmp;
start ;
end--;
}

start = 0;
end = sArray2.Length - 1;
while (start < end)
{
string tmp = sArray2[start];
sArray2[start] = sArray2[end];
sArray2[end] = tmp;
start ;
end--;
}
// s=string.Join(" ", sArray);
string result = "";
for (int i2 = 0; i2 < sArray.Length; i2 )
{
result = sArray[i2] sArray2[i2];
}

s = result;
Console.WriteLine(s);
//Console.WriteLine("============================");
//string str1 = "我**是*****一*****个*************教*****师";
//string[] str2 = System.Text.RegularExpressions.Regex.Split(str1, @"[*] ");
//foreach (string iss in str2)
// Console.WriteLine(iss.ToString());
return 0;
}
http://www.cnblogs.com/meiwn/archive/2006/10/19/533587.html

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