UnityExample.cs

public class SomeHelperClass {
    void checkForVariables(string lineToCheck)
    {
        lineToCheck = lineToCheck.Replace(" ", "");

        string variableName = "";
        string value = "";
        
        var groups = lineToCheck.Split("=");
        //If there are no = signs then the length will be 0. If there is more than 1 then the length will be above 2.
        if(groups.Length != 2)
        {
            return;
        }

        variableName = groups[0];
        value = groups[1];

        // check if it's a string
        bool isString = value[0] == '\"' && value[value.length-1] == '\"';

        double number;
        if (!isString)
        {
            if (double.TryParse(value, out number))
                ConsoleVariables.variables[variableName] = new DoubleValue(number);
            else
            {
                if(ConsoleVariables.variables.ContainsKey(value))
                {
                    if(ConsoleVariables.variables[value] is DoubleValue)
                        ConsoleVariables.variables[variableName] = new DoubleValue(((DoubleValue)ConsoleVariables.variables[value]).Value);
                    else if(ConsoleVariables.variables[value] is StringValue)
                        ConsoleVariables.variables[variableName] = new StringValue(((StringValue)ConsoleVariables.variables[value]).Value);
                }
            }
        }
        else
        {
            ConsoleVariables.variables[variableName] = new StringValue(value);
        }
    }
}

public class BaseValue
{
}

public class DoubleValue : BaseValue
{
    public double Value { get; set; }
    public DoubleValue(double value)
    {
        Value = value;
    }
}

public class StringValue : BaseValue
{
    public string Value { get; set; }
    public StringValue(string value)
    {
        Value = value;
    }
}