Question

Here is the source code for this test:

    var tags = new List<string> {"Portland", "Code","StackExcahnge" };
    const string separator = " ";
    tagString = tags.Aggregate(t => , separator);
    Console.WriteLine(tagString);
    // Expecting to see "Portland Code StackExchange"
    Console.ReadKey();

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Update

Here is the solution I am now using:

var tagString = string.Join(separator, tags.ToArray());

Turns out string.Join does what I need.

Answer 1

For that you can just use string.Join.