public static class StringEx
{


	public static int LastIndexOfWithMax( this string str, char c, int maxChars )
	{
		var strEnd = str.Length - 1;

		if( strEnd < 2 )
			return -1;

		for( int i = strEnd; i >= 0; i-- )
		{
			if( str[i] == c )
			{
				return i;
			}
		}

		return -1;
	}
	


}