using System;
using System.Text.RegularExpressions;

public class Test
{
	public static void Main()
	{
        var str = "$145,000-$179,999";
        
        var result = Regex.Replace(str, @"[^\d-]", "");
        var loans = result.Split(new char[] { '-' }, StringSplitOptions.RemoveEmptyEntries);
        var loan1 = loans[0];
        var loan2 = loans[1];
        
        Console.WriteLine(loan1);
        Console.WriteLine(loan2);
	}
}