using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"(\d{4}-\d{2}-\d{2})(\s|T|t)(\d{2}:\d{2}(?::\d{2})?)?";
string input = @"2016-02-01
2016-02-01 00:00
2016-02-01T00:00
2016-11-10 12:30:11
2016-02-01T12:30:11
";
foreach (Match m in Regex.Matches(input, pattern))
{
Console.WriteLine("'{0}' found at index {1}.", m.Value, m.Index);
}
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for C#, please visit: https://msdn.microsoft.com/en-us/library/system.text.regularexpressions.regex(v=vs.110).aspx