using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"(^(((\d\d)(([02468][048])|([13579][26]))-02-29)|(((\d\d)(\d\d)))-((((0\d)|(1[0-2]))-((0\d)|(1\d)|(2[0-8])))|((((0[13578])|(1[02]))-31)|(((0[1,3-9])|(1[0-2]))-(29|30)))))\s(([01]\d|2[0-3]):([0-5]\d):([0-5]\d))$)";
string input = @"2020-02-29 12:12:00";
Match m = Regex.Match(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