using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"^\*(?:Field[0-9]+=0\([^)]*\),){3}Field[0-9]+=0\(\K[^)]*";
string input = @"*Field1=0(1936-S),Field13=0(2),Field2=0(),Field4=0(19.01.17),Field3=0(),Field5700=0(),Field5400=0(KS),Field14=0(21)*";
foreach (Match m in Regex.Matches(input, pattern))
{
Console.WriteLine("'{0}' found at index {1}.", m.Value, m.Index);
}
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for C#, please visit: https://msdn.microsoft.com/en-us/library/system.text.regularexpressions.regex(v=vs.110).aspx