using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"(namespace FeedStore\.Stores\.EF\.Entities\.Master)(\r\n|\n)({)(\r\n|\n)\s+(public partial class )\s*(\w+)";
string substitution = @"using FeedStore.Stores.EF.Contracts;\r\n\r\n$1$2$3$4\t$5$6 : IAuditableModified, IAuditableAdded";
string input = @"using System;
using System.Collections.Generic;
#nullable disable
namespace FeedStore.Stores.EF.Entities.Master
{
public partial class Admin
{
public int Id { get; set; }
public string Name { get; set; }
public string Alias { get; set; }
public int TenantId { get; set; }
public DateTime Created { get; set; }
public string CreatedBy { get; set; }
public DateTime? Modified { get; set; }
public string ModifiedBy { get; set; }
}
}
";
RegexOptions options = RegexOptions.Multiline;
Regex regex = new Regex(pattern, options);
string result = regex.Replace(input, substitution);
}
}
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