using System;
using System.Globalization;
using System.Linq;
using System.Collections.Generic;

public class Test
{
	public static void Main()
	{
        var cultures = CultureInfo.GetCultures(CultureTypes.AllCultures)
            .Where(c => !c.IsNeutralCulture);
        foreach (var ci in cultures)
        {
            var currencyValue = 1.234.ToString("C", ci);
            if(ci.StartsWithCurrencySymbol())
                Console.WriteLine("Culture: {0} RTLF? {1} Format: {2}", 
                    ci, ci.TextInfo.IsRightToLeft, currencyValue);
        }
	}
}

    public static class CultureInfoExtensions
    {
        public static bool StartsWithCurrencySymbol(this CultureInfo culture)
        {
            bool startsWithCurrencySymbol = culture.NumberFormat.CurrencyPositivePattern == 0 
                || culture.NumberFormat.CurrencyPositivePattern == 2;
            return culture.TextInfo.IsRightToLeft ? !startsWithCurrencySymbol : startsWithCurrencySymbol;
        }
    }