import Foundation
let pattern = #"(namespace FeedStore\.Stores\.EF\.Entities\.Master)(\r\n|\n)({)(\r\n|\n)\s+(public partial class )\s*(\w+)"#
let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines)
let testString = ##"""
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; }
}
}
"""##
let stringRange = NSRange(location: 0, length: testString.utf16.count)
let substitutionString = #"using FeedStore.Stores.EF.Contracts;\r\n\r\n$1$2$3$4\t$5$6 : IAuditableModified, IAuditableAdded"#
let result = regex.stringByReplacingMatches(in: testString, range: stringRange, withTemplate: substitutionString)
print(result)
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 Swift 5.2, please visit: https://developer.apple.com/documentation/foundation/nsregularexpression