using System;
using System.Text.RegularExpressions;
public class Test
{
public static void Main()
{
String input = @"/SERVER TEST_SERVER";
Regex rgx = new Regex(@"(?<=\/SERVER\s*(?:[""\\]+)?)\w+(?=(?:[\\""]+|$))");
foreach (Match m in rgx.Matches(input))
Console.WriteLine(m.Groups[0].Value);
}
}
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