using System.Text.RegularExpressions;
using System.Collections.Generic;
using System;
using System.Linq;
public class Program
{
public static void Main(string[] args)
{
Regex r = new Regex(@"[\d-]+");
var matches = r.Matches("9000-001 a 9999-999");
foreach (var match in matches.Cast<Match>())
{
Console.WriteLine($"Encontrada a seguinte ocorrĂȘncia: '{match.Value}'");
}
}
}
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