using System;
using System.Text.RegularExpressions;
public class Test
{
public static void Main()
{
Regex regex = new Regex(@"\b\d{4}-\d{3,4}\b");
foreach (Match match in regex.Matches("9000-001 a 9999-999")) {
Console.WriteLine("Encontrei '{0}' na posição {1}", match.Value, match.Index);
}
}
}
dXNpbmcgU3lzdGVtOwp1c2luZyBTeXN0ZW0uVGV4dC5SZWd1bGFyRXhwcmVzc2lvbnM7CgoKcHVibGljIGNsYXNzIFRlc3QKewoJcHVibGljIHN0YXRpYyB2b2lkIE1haW4oKQoJewoJCVJlZ2V4IHJlZ2V4ID0gbmV3IFJlZ2V4KEAiXGJcZHs0fS1cZHszLDR9XGIiKTsKICAgICAgICBmb3JlYWNoIChNYXRjaCBtYXRjaCBpbiByZWdleC5NYXRjaGVzKCI5MDAwLTAwMSBhIDk5OTktOTk5IikpIHsKICAgICAgICAgICBDb25zb2xlLldyaXRlTGluZSgiRW5jb250cmVpICd7MH0nIG5hIHBvc2nDp8OjbyB7MX0iLCBtYXRjaC5WYWx1ZSwgbWF0Y2guSW5kZXgpOwogICAgICAgIH0KCX0KfQ==