using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"^(?<year>\d{4})[\-\.\/]?(?<month>0[1-9]|1[02])[\-\.\/]?(?<day>[0-2]\d|3[0-1])[ T]?(?<hour>[0-1]\d|2[0-3])[\:\.]?(?<minute>[0-5]\d)[\:\.]?(?<second>[0-5]\d) ?(?<offset>(?<offset_sign>[\-\+]*)(?<offset_hour>0[0-9]|1[0-2])[\:\.]?(?<offset_minute>[0-5]\d))";
string input = @"--- SHOULD MATCH ---
20181215144545-06:00
2018-12-15T14:45:45 -06:00
2018-12-15 14:45:45 -06:00
2018.12.15T14.45.45 -06:00
2018.12.15T14.45.45-06.00
2018/12/15T14:45:45-06:00
201812151445450000
103212150000000000
103212151111111111
103212152222221222
--- SHOULD NOT MATCH ---
2018-13-15T14:45:45 -06:00
2018-12-60T14:45:45 -06:00
2018-12-15T24:45:45 -06:00
2018-12-15T14:60:45 -06:00
103212152222222222
103212152222221322";
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