using System;

using System.Text.RegularExpressions;

using System.Collections.Generic;

using System.Linq;

​

public class Program

{

    public void Main()

    {

        string strQuery = "Select c.car.value, c.like.model, c.color.in[0] order by c.price.on";

        Console.WriteLine(strQuery);

        string strQueryOk = ReplaceReservedWord(strQuery);

        Console.WriteLine(strQueryOk);

    }

​

    public string ReplaceReservedWord(string strQuery)

    {

        //Pattern to find reserved word

        string pattern = @"\.(value|top|where|in|on|like)\w*";

​

        //LINQ to find all matches

        var replacements = Regex.Matches(strQuery, pattern)

                               .Cast<Match>()

                               .Select(m => new KeyValuePair<string, string>(m.Value, "['"+m.Value.Replace(".", "")+"']"));

​

        //Replace reserved words

        string queryString = replacements.Aggregate(strQuery, (current, replacement) =>

        current.Replace(replacement.Key, replacement.Value));

​

        return queryString;

    }

}

​