using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"([\s,.\/]\s*)?y+[.\/]?";
string input = @"MMM d, y, h:mm a
d MMM y, HH:mm
y年M月d日 ah:mm
dd.MM.y, HH:mm
y. M. d. a h:mm
d MMM y 'г'., HH:mm
dd MMM y, HH:mm
y/MM/dd H:mm
d. MMM y, HH:mm
dd/MM/y h:mm a
dd.M.y HH:mm
d MMM y HH:mm"" ";
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