C# 大于等于转换数学区间

代码：

public static string Trans_version(string simver)
        {
            var sarry = simver.Split(' ');
            string TransVersion = "";
            if (sarry.Length == 2)
            {
                switch (sarry[0])
                {
                    case ">=": TransVersion = "[" + sarry[1] + ",)"; break;
                    case ">": TransVersion = "(" + sarry[1] + ",)"; break;
                    case "==": TransVersion = "[" + sarry[1] + "]"; break;
                    case "<=": TransVersion = "(," + sarry[1] + "]"; break;
                    case "<": TransVersion = "(," + sarry[1] + ")"; break;
                }
            }
            else
            {
                switch (sarry[0])
                {
                    case ">=": TransVersion = "["+sarry[1]+"," ; break;
                    case ">": TransVersion = "("+sarry[1] + ","; break;
                }
                switch (sarry[2])
                {
                    case "<=": TransVersion += sarry[3] + "]"; break;
                    case "<": TransVersion +=sarry[3] + ")"; break;
                }
                
            }
            return TransVersion;
        }