using System;
using System.Text.RegularExpressions;
public class Test
{
public static void Main()
{
Regex regex = new Regex(@"[0-9-]");
Match match = regex.Match("123");
if(match.Success)
{
Console.WriteLine(match.Value);
}
}
}
dXNpbmcgU3lzdGVtOwp1c2luZyBTeXN0ZW0uVGV4dC5SZWd1bGFyRXhwcmVzc2lvbnM7CgoKcHVibGljIGNsYXNzIFRlc3QKewoJcHVibGljIHN0YXRpYyB2b2lkIE1haW4oKQoJewoJCVJlZ2V4IHJlZ2V4ID0gbmV3IFJlZ2V4KEAiWzAtOS1dIik7CgkJTWF0Y2ggbWF0Y2ggPSByZWdleC5NYXRjaCgiMTIzIik7CgkJaWYobWF0Y2guU3VjY2VzcykgCgkJewoJCSAgIENvbnNvbGUuV3JpdGVMaW5lKG1hdGNoLlZhbHVlKTsKCQl9Cgl9Cn0=