using System;
using System.Text.RegularExpressions;
public class Test
{
public static void Main()
{
Regex regex = new Regex(@"\b\d{4}-\d{3,4}\b");
Match match = regex.Match("123456-12345");
if(match.Success)
{
Console.WriteLine(match.Value);
}
}
}
dXNpbmcgU3lzdGVtOwp1c2luZyBTeXN0ZW0uVGV4dC5SZWd1bGFyRXhwcmVzc2lvbnM7CgoKcHVibGljIGNsYXNzIFRlc3QKewoJcHVibGljIHN0YXRpYyB2b2lkIE1haW4oKQoJewoJCVJlZ2V4IHJlZ2V4ID0gbmV3IFJlZ2V4KEAiXGJcZHs0fS1cZHszLDR9XGIiKTsKCQlNYXRjaCBtYXRjaCA9IHJlZ2V4Lk1hdGNoKCIxMjM0NTYtMTIzNDUiKTsKCQlpZihtYXRjaC5TdWNjZXNzKSAKCQl7CgkJICAgQ29uc29sZS5Xcml0ZUxpbmUobWF0Y2guVmFsdWUpOwoJCX0KCX0KfQ==