MoneyUtils.cs

using UnityEngine;
using System.Collections;

public static class MoneyUtils {

	public static string[] StringUnits = new string[41] {
		string.Empty,
		"k",
		"m",
		"b",
		"t",
		"q",
		"Q",
		"u",
		"U",
		"s",
		"S",
		"p",
		"P",
		"o",
		"O",
		"n",
		"N",
		"d",
		"D",
		"g",
		"G",
		"h",
		"H",
		"l",
		"L",
		"i",
		"I",
		"j",
		"J",
		"n",
		"N",
		"c",
		"C",
		"x",
		"X",
		"w",
		"W",
		"y",
		"Y",
		"z",
		"Z"
	};

	public static string GetNewIndex(int index)
	{
		char c = (char)(97 + index / 26);
		char c2 = (char)(97 + index % 26);
		return c.ToString() + c2.ToString();
	}

	public static string ToShortString(this double value)
	{
		if (value < 1.0f)
			return "0";
		string s = value.ToString ("#");
		Debug.Log (s);
		if (s == "Ifinity")
			return "Inf";
		int l = s.Length;
		if(l > 3)
		{
			string e = string.Empty;
			e = s.Substring (0, 3);
			int n = l % 3;
			if (n > 0)
				e = (e.Substring (0, n) + "," + s.Substring (n, 3));
			else
				e += ("," + s.Substring (3, 3));
			int n2 = (l - 1) / 3;
			string e2 = string.Empty;
			e2 = ((n2 >= StringUnits.Length) ? GetNewIndex (n2 - StringUnits.Length) : StringUnits [n2]) ;
			return e + e2;
		}
		return s;
	}
}