using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"[0-9]{2} ?([05][1-9]|[16][02]) ?(0[1-9]|[12][0-9]|3[0-1]) ?\/?[0-9]{3,4}";
string input = @"821206/0351
82 12 06 0351
721206 0351
82 82 23/3222
82 52 12/342
825212342
82 61 45 2222
821206 0351";
foreach (Match m in Regex.Matches(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