My application has a feature that parses text using a regular expression to extract special values. I find myself also needing to create strings that follow the same format. Is there a way to use the already defined regular expression to create those strings?

For example, assume my regex looks something like this:

public static Regex MyRegex = new Regex( @"sometext_(?<group1>\d*)" );

I'd like to be able to use MyRegex to create a new string, something like:

var created = MyRegex.ToString( new Dictionary<string, string>() {{ "group1", "data1" }};

Such that created would then have the value "sometextdata1".