Question

Given the string

string command = "%ans[1]%*100/%ans[0]%"

Will replace to
%ans[1]% to array[1]
%ans[0]% to array[2]

How do I substitute the place holders in command with the values in the array to get the following result? Should I use Regular Expressions for this?

And using Regex.Replace ?

"test2*100/test1"

Answer 1

You could try using a standard Replace.

Something like

string command = "%ans[1]%*100/%ans[0]%";
string[] array = new string[] { "test1", "test2" };
for (int iReplace = 0; iReplace < array.Length; iReplace++)
    command = command.Replace(String.Format("%ans[{0}]%", iReplace), array[iReplace]);