using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"(?:^(?<year>-?(?:[1-9][0-9]*)?[0-9]{4})-(?<month>1[0-2]|0[1-9])-(?<date>3[01]|0[1-9]|[12][0-9])T(?<hours>2[0-3]|[01][0-9]):(?<minutes>[0-5][0-9]):(?<seconds>[0-5][0-9])\.(?<ms>[0-9]+)?)(?<offset>Z|[+-][0-5][0-9](?::?[0-5][0-9])?)?$";
string input = @"2019-04-10T11:07:58.846
2019-04-10T11:07:58.846+03:00
2019-04-10T11:07:58.846-03:00
2019-04-10T11:07:58.846+0300
2019-04-10T11:07:58.846-0300
2019-04-10T11:07:58.846Z
2019-04-10T11:07:58.846+03
2019-04-10T11:07:58.846-03";
RegexOptions options = RegexOptions.Multiline;
foreach (Match m in Regex.Matches(input, pattern, options))
{
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