using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"^(?:(?:31([-\/.]?)(?:0[13578]|1[02]))\1|(?:(?:29|30)([-\/.]?)(?:0[1,3-9]|1[0-2])\2))(?:(?:1[6-9]|[2-9]\d)\d{2})$|^(?:29([-\/.]?)02\3(?:(?:(?:1[6-9]|[2-9]\d)(?:0[48]|[2468][048]|[13579][26]))))$|^(?:0[1-9]|1\d|2[0-8])([-\/.]?)(?:(?:0[1-9])|(?:1[0-2]))\4(?:(?:1[6-9]|[2-9]\d)\d{2})$";
string input = @"02/04/2012
30-04-2017
12122019
12.01.2019
-- datas inválidas
29/02/2017
20-10/2019
31.04.2017
10/10/10
1/1/2019";
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