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string period = this.dataGridView1.Rows[this.dataGridView1.Rows.Count - 2].Cells["时期"].Value
//这里以下的不会写呀
string pattern = @"";
Regex regex = new Regex(pattern);
MatchCollection mc = regex.Matches(period);
if (mc.Count > 0)
{
foreach (Match m in mc)
{
开始日期 = m.Groups[0].Value;
截止日期 = m.Groups[1].Value;
}
}
string pattern = @"(\d{4}-\d{1,2}-\d{1,2}|--)\s*?到\s*?(\d{4}-\d{1,2}-\d{1,2}|--)";
string tempStr = File.ReadAllText(@"C:\Documents and Settings\Administrator\桌面\Test.txt", Encoding.GetEncoding("GB2312"));//读取txt
var result = Regex.Matches(tempStr, pattern).Cast<Match>().Select(a => new {
开始日期=a.Groups[1].Value,
结束日期=a.Groups[2].Value
});
/*
* + [0] { 开始日期 = "2012-05-31", 结束日期 = "2012-06-01" } <Anonymous Type>
+ [1] { 开始日期 = "2012-06-31", 结束日期 = "2012-08-01" } <Anonymous Type>
+ [2] { 开始日期 = "--", 结束日期 = "--" } <Anonymous Type>
+ [3] { 开始日期 = "2012-06-31", 结束日期 = "--" } <Anonymous Type>
+ [4] { 开始日期 = "--", 结束日期 = "2012-08-01" } <Anonymous Type>
*/
StreamReader reader = new StreamReader("c:\\1.txt",Encoding.Default);
string source = reader.ReadToEnd();
Regex reg = new Regex(@"(?is)(\d{4}-\d{2}-\d{2}) 到 (\d{4}-\d{2}-\d{2})");
MatchCollection mc = reg.Matches(source);
foreach (Match m in mc)
{
MessageBox.Show("开始:" + m.Groups[1].Value + " 结束:" + m.Groups[2].Value);
}
string period = this.dataGridView1.Rows[this.dataGridView1.Rows.Count - 2].Cells["时期"].Value
//这里以下的不会写呀
string pattern = @"((--)|(\d{4}-\d{2}-\d{2}))\s到\s((\d{4}-\d{2}-\d{2})|(--))";
Regex regex = new Regex(pattern);
MatchCollection mc = regex.Matches(period);
if (mc.Count > 0)
{
foreach (Match m in mc)
{
开始日期 = m.Groups[1].Value;
截止日期 = m.Groups[4].Value;
}
}