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Code Issues Releases Wiki Activity

align parsing with upstream

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Separate release group parsing logic into dedicated classes and update references throughout codebase.

(cherry picked from commit b00229e53c7a4bcb8684fd0aa4f66650c64a9a20)

Co-Authored-By: Mark McDowall <mark@mcdowall.ca>
This commit is contained in:
bakerboy448
2025-09-21 23:00:15 -05:00
parent f28691e48d
commit 6bdbc9c600
10 changed files with 163 additions and 135 deletions
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14
src/NzbDrone.Core.Test/ParserTests/ReleaseGroupParserFixture.cs
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@@ -58,7 +58,7 @@ namespace NzbDrone.Core.Test.ParserTests
[TestCase("Movie Name (2017) (Showtime) (1080p.BD.DD5.1.x265-TheSickle[TAoE])", "TheSickle")]
public void should_parse_release_group(string title, string expected)
{
Parser.Parser.ParseReleaseGroup(title).Should().Be(expected);
Parser.ReleaseGroupParser.ParseReleaseGroup(title).Should().Be(expected);
}
[TestCase("Movie Name (2020) [2160p x265 10bit S82 Joy]", "Joy")]
@@ -128,13 +128,13 @@ namespace NzbDrone.Core.Test.ParserTests
[TestCase("Movie Title (2024) (1080p BluRay x265 SDR DDP 5.1 English -BEN THE MEN", "BEN THE MEN")]
public void should_parse_exception_release_group(string title, string expected)
{
Parser.Parser.ParseReleaseGroup(title).Should().Be(expected);
Parser.ReleaseGroupParser.ParseReleaseGroup(title).Should().Be(expected);
}
[TestCase(@"C:\Test\Doctor.Series.2005.s01e01.internal.bdrip.x264-archivist.mkv", "archivist")]
public void should_not_include_extension_in_release_group(string title, string expected)
{
Parser.Parser.ParseReleaseGroup(title).Should().Be(expected);
Parser.ReleaseGroupParser.ParseReleaseGroup(title).Should().Be(expected);
}
[TestCase("Some.Movie.S02E04.720p.WEBRip.x264-SKGTV English", "SKGTV")]
@@ -143,7 +143,7 @@ namespace NzbDrone.Core.Test.ParserTests
public void should_not_include_language_in_release_group(string title, string expected)
{
Parser.Parser.ParseReleaseGroup(title).Should().Be(expected);
Parser.ReleaseGroupParser.ParseReleaseGroup(title).Should().Be(expected);
}
[TestCase("Some.Movie.2019.1080p.BDRip.X264.AC3-EVO-RP", "EVO")]
@@ -173,7 +173,7 @@ namespace NzbDrone.Core.Test.ParserTests
public void should_not_include_bad_suffix_in_release_group(string title, string expected)
{
Parser.Parser.ParseReleaseGroup(title).Should().Be(expected);
Parser.ReleaseGroupParser.ParseReleaseGroup(title).Should().Be(expected);
}
[TestCase("[FFF] Invaders of the Movies!! - S01E11 - Someday, With Movies", "FFF")]
@@ -184,13 +184,13 @@ namespace NzbDrone.Core.Test.ParserTests
public void should_parse_anime_release_groups(string title, string expected)
{
Parser.Parser.ParseReleaseGroup(title).Should().Be(expected);
Parser.ReleaseGroupParser.ParseReleaseGroup(title).Should().Be(expected);
}
[TestCase("Terrible.Anime.Title.2020.DBOX.480p.x264-iKaos [v3] [6AFFEF6B]")]
public void should_not_parse_anime_hash_as_release_group(string title)
{
Parser.Parser.ParseReleaseGroup(title).Should().BeNull();
Parser.ReleaseGroupParser.ParseReleaseGroup(title).Should().BeNull();
}
}
}

2
src/NzbDrone.Core.Test/ParserTests/UrlFixture.cs
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@@ -38,7 +38,7 @@ namespace NzbDrone.Core.Test.ParserTests
[TestCase("Movie Title Future 2023 DVDRip XviD RUNNER[www.allstate.net]", null)]
public void should_not_parse_url_in_group(string title, string expected)
{
Parser.Parser.ParseReleaseGroup(title).Should().Be(expected);
Parser.ReleaseGroupParser.ParseReleaseGroup(title).Should().Be(expected);
}
}
}

3
src/NzbDrone.Core/Datastore/Migration/199_mediainfo_to_ffmpeg.cs
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@@ -12,6 +12,7 @@ using NzbDrone.Common.EnvironmentInfo;
using NzbDrone.Common.Extensions;
using NzbDrone.Common.Serializer;
using NzbDrone.Core.Datastore.Migration.Framework;
using NzbDrone.Core.MediaFiles;
using NzbDrone.Core.MediaFiles.MediaInfo;
namespace NzbDrone.Core.Datastore.Migration
@@ -809,7 +810,7 @@ namespace NzbDrone.Core.Datastore.Migration
private static string GetSceneNameMatch(string sceneName, params string[] tokens)
{
sceneName = sceneName.IsNotNullOrWhiteSpace() ? Parser.Parser.RemoveFileExtension(sceneName) : string.Empty;
sceneName = sceneName.IsNotNullOrWhiteSpace() ? FileExtensions.RemoveFileExtension(sceneName) : string.Empty;
foreach (var token in tokens)
{

38
src/NzbDrone.Core/MediaFiles/FileExtensions.cs
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@@ -1,11 +1,21 @@
using System;
using System.Collections.Generic;
using System.Text.RegularExpressions;
namespace NzbDrone.Core.MediaFiles
{
internal static class FileExtensions
public static class FileExtensions
{
private static List<string> _archiveExtensions = new List<string>
private static readonly Regex FileExtensionRegex = new (@"\.[a-z0-9]{2,4}$",
RegexOptions.IgnoreCase | RegexOptions.Compiled);
private static readonly HashSet<string> UsenetExtensions = new HashSet<string>()
{
".par2",
".nzb"
};
public static HashSet<string> ArchiveExtensions => new (StringComparer.OrdinalIgnoreCase)
{
".7z",
".bz2",
@@ -20,8 +30,7 @@ namespace NzbDrone.Core.MediaFiles
".tgz",
".zip"
};
private static List<string> _dangerousExtensions = new List<string>
public static HashSet<string> DangerousExtensions => new (StringComparer.OrdinalIgnoreCase)
{
".arj",
".lnk",
@@ -31,8 +40,7 @@ namespace NzbDrone.Core.MediaFiles
".vbs",
".zipx"
};
private static List<string> _executableExtensions = new List<string>
public static HashSet<string> ExecutableExtensions => new (StringComparer.OrdinalIgnoreCase)
{
".bat",
".cmd",
@@ -40,8 +48,20 @@ namespace NzbDrone.Core.MediaFiles
".sh"
};
public static HashSet<string> ArchiveExtensions => new HashSet<string>(_archiveExtensions, StringComparer.OrdinalIgnoreCase);
public static HashSet<string> DangerousExtensions => new HashSet<string>(_dangerousExtensions, StringComparer.OrdinalIgnoreCase);
public static HashSet<string> ExecutableExtensions => new HashSet<string>(_executableExtensions, StringComparer.OrdinalIgnoreCase);
public static string RemoveFileExtension(string title)
{
title = FileExtensionRegex.Replace(title, m =>
{
var extension = m.Value.ToLower();
if (MediaFileExtensions.Extensions.Contains(extension) || UsenetExtensions.Contains(extension))
{
return string.Empty;
}
return m.Value;
});
return title;
}
}
}

2
src/NzbDrone.Core/MediaFiles/MediaInfo/MediaInfoFormatter.cs
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@@ -293,7 +293,7 @@ namespace NzbDrone.Core.MediaFiles.MediaInfo
private static string GetSceneNameMatch(string sceneName, params string[] tokens)
{
sceneName = sceneName.IsNotNullOrWhiteSpace() ? Parser.Parser.RemoveFileExtension(sceneName) : string.Empty;
sceneName = sceneName.IsNotNullOrWhiteSpace() ? FileExtensions.RemoveFileExtension(sceneName) : string.Empty;
foreach (var token in tokens)
{

6
src/NzbDrone.Core/MediaFiles/MovieImport/Manual/ManualImportService.cs
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@@ -144,7 +144,7 @@ namespace NzbDrone.Core.MediaFiles.MovieImport.Manual
var downloadClientItem = GetTrackedDownload(downloadId)?.DownloadItem;
var finalReleaseGroup = releaseGroup.IsNullOrWhiteSpace()
? Parser.Parser.ParseReleaseGroup(path)
? ReleaseGroupParser.ParseReleaseGroup(path)
: releaseGroup;
var finalQuality = (quality?.Quality ?? Quality.Unknown) == Quality.Unknown ? QualityParser.ParseQuality(path) : quality;
var finalLanguages =
@@ -282,7 +282,7 @@ namespace NzbDrone.Core.MediaFiles.MovieImport.Manual
{
var localMovie = new LocalMovie();
localMovie.Path = file;
localMovie.ReleaseGroup = Parser.Parser.ParseReleaseGroup(file);
localMovie.ReleaseGroup = ReleaseGroupParser.ParseReleaseGroup(file);
localMovie.Quality = QualityParser.ParseQuality(file);
localMovie.Languages = LanguageParser.ParseLanguages(file);
localMovie.Size = _diskProvider.GetFileSize(file);
@@ -327,7 +327,7 @@ namespace NzbDrone.Core.MediaFiles.MovieImport.Manual
localMovie.Path = file;
localMovie.Quality = new QualityModel(Quality.Unknown);
localMovie.Languages = new List<Language> { Language.Unknown };
localMovie.ReleaseGroup = Parser.Parser.ParseReleaseGroup(file);
localMovie.ReleaseGroup = ReleaseGroupParser.ParseReleaseGroup(file);
localMovie.Size = _diskProvider.GetFileSize(file);
items.Add(MapItem(new ImportDecision(localMovie), rootFolder, null, null));

2
src/NzbDrone.Core/MediaFiles/MovieImport/SceneNameCalculator.cs
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@@ -14,7 +14,7 @@ namespace NzbDrone.Core.MediaFiles.MovieImport
if (!otherVideoFiles && downloadClientInfo != null)
{
return Parser.Parser.RemoveFileExtension(downloadClientInfo.ReleaseTitle);
return FileExtensions.RemoveFileExtension(downloadClientInfo.ReleaseTitle);
}
var fileName = Path.GetFileNameWithoutExtension(localMovie.Path.CleanFilePath());

121
src/NzbDrone.Core/Parser/Parser.cs
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@@ -6,6 +6,7 @@ using System.Text.RegularExpressions;
using NLog;
using NzbDrone.Common.Extensions;
using NzbDrone.Common.Instrumentation;
using NzbDrone.Core.MediaFiles;
using NzbDrone.Core.Parser.Model;
namespace NzbDrone.Core.Parser
@@ -21,8 +22,6 @@ namespace NzbDrone.Core.Parser
private static readonly Regex HardcodedSubsRegex = new Regex(@"\b((?<hcsub>(\w+(?<!SOFT|MULTI|HORRIBLE)SUBS?))|(?<hc>(HC|SUBBED)))\b",
RegexOptions.Compiled | RegexOptions.IgnoreCase | RegexOptions.IgnorePatternWhitespace);
private static readonly RegexReplace[] PreSubstitutionRegex = Array.Empty<RegexReplace>();
private static readonly Regex[] ReportMovieTitleRegex = new[]
{
// Anime [Subgroup] and Year
@@ -110,9 +109,6 @@ namespace NzbDrone.Core.Parser
private static readonly Regex NormalizeRegex = new Regex(@"((?:\b|_)(?<!^|[^a-zA-Z0-9_']\w[^a-zA-Z0-9_'])([aà](?!$|[^a-zA-Z0-9_']\w[^a-zA-Z0-9_'])|an|the|and|or|of)(?!$)(?:\b|_))|\W|_",
RegexOptions.IgnoreCase | RegexOptions.Compiled);
private static readonly Regex FileExtensionRegex = new Regex(@"\.[a-z0-9]{2,4}$",
RegexOptions.IgnoreCase | RegexOptions.Compiled);
private static readonly Regex ReportImdbId = new Regex(@"(?<imdbid>tt\d{7,8})", RegexOptions.IgnoreCase | RegexOptions.Compiled);
private static readonly Regex ReportTmdbId = new Regex(@"tmdb(id)?-(?<tmdbid>\d+)", RegexOptions.IgnoreCase | RegexOptions.Compiled);
@@ -123,44 +119,13 @@ namespace NzbDrone.Core.Parser
private static readonly Regex SimpleReleaseTitleRegex = new Regex(@"\s*(?:[<>?*|])", RegexOptions.Compiled | RegexOptions.IgnoreCase);
// Valid TLDs http://data.iana.org/TLD/tlds-alpha-by-domain.txt
private static readonly RegexReplace WebsitePrefixRegex = new RegexReplace(@"^(?:(?:\[|\()\s*)?(?:www\.)?[-a-z0-9-]{1,256}\.(?<!Naruto-Kun\.)(?:[a-z]{2,6}\.[a-z]{2,6}|xn--[a-z0-9-]{4,}|[a-z]{2,})\b(?:\s*(?:\]|\))|[ -]{2,})[ -]*",
string.Empty,
RegexOptions.IgnoreCase | RegexOptions.Compiled);
private static readonly RegexReplace WebsitePostfixRegex = new RegexReplace(@"(?:\[\s*)?(?:www\.)?[-a-z0-9-]{1,256}\.(?:xn--[a-z0-9-]{4,}|[a-z]{2,6})\b(?:\s*\])$",
string.Empty,
RegexOptions.IgnoreCase | RegexOptions.Compiled);
private static readonly RegexReplace CleanReleaseGroupRegex = new RegexReplace(@"(-(RP|1|NZBGeek|Obfuscated|Obfuscation|Scrambled|sample|Pre|postbot|xpost|Rakuv[a-z0-9]*|WhiteRev|BUYMORE|AsRequested|AlternativeToRequested|GEROV|Z0iDS3N|Chamele0n|4P|4Planet|AlteZachen|RePACKPOST))+$",
string.Empty,
RegexOptions.IgnoreCase | RegexOptions.Compiled);
private static readonly RegexReplace CleanTorrentSuffixRegex = new RegexReplace(@"\[(?:ettv|rartv|rarbg|cttv|publichd)\]$",
string.Empty,
RegexOptions.IgnoreCase | RegexOptions.Compiled);
private static readonly Regex CleanQualityBracketsRegex = new Regex(@"\[[a-z0-9 ._-]+\]$",
RegexOptions.IgnoreCase | RegexOptions.Compiled);
private static readonly Regex ReleaseGroupRegex = new Regex(@"-(?<releasegroup>[a-z0-9]+(?<part2>-[a-z0-9]+)?(?!.+?(?:480p|576p|720p|1080p|2160p)))(?<!(?:WEB-(DL|Rip)|Blu-Ray|480p|576p|720p|1080p|2160p|DTS-HD|DTS-X|DTS-MA|DTS-ES|-ES|-EN|-CAT|-ENG|-JAP|-GER|-FRA|-FRE|-ITA|-HDRip|\d{1,2}-bit|[ ._]\d{4}-\d{2}|-\d{2}|tmdb(id)?-(?<tmdbid>\d+)|(?<imdbid>tt\d{7,8}))(?:\k<part2>)?)(?:\b|[-._ ]|$)|[-._ ]\[(?<releasegroup>[a-z0-9]+)\]$",
RegexOptions.IgnoreCase | RegexOptions.Compiled);
private static readonly Regex InvalidReleaseGroupRegex = new Regex(@"^([se]\d+|[0-9a-f]{8})$", RegexOptions.IgnoreCase | RegexOptions.Compiled);
private static readonly Regex AnimeReleaseGroupRegex = new Regex(@"^(?:\[(?<subgroup>(?!\s).+?(?<!\s))\](?:_|-|\s|\.)?)",
RegexOptions.IgnoreCase | RegexOptions.Compiled);
private static readonly Regex YearInTitleRegex = new Regex(@"^(?<title>.+?)(?:\W|_.)?[\(\[]?(?<year>\d{4})[\]\)]?",
RegexOptions.IgnoreCase | RegexOptions.Compiled);
// Handle Exception Release Groups that don't follow -RlsGrp; Manual List
// groups whose releases end with RlsGroup) or RlsGroup]
private static readonly Regex ExceptionReleaseGroupRegex = new Regex(@"(?<=[._ \[])(?<releasegroup>(Silence|afm72|Panda|Ghost|MONOLITH|Tigole|Joy|ImE|UTR|t3nzin|Anime Time|Project Angel|Hakata Ramen|HONE|Vyndros|SEV|Garshasp|Kappa|Natty|RCVR|SAMPA|YOGI|r00t|EDGE2020|RZeroX|FreetheFish|Anna|Bandi|Qman|theincognito|HDO|DusIctv|DHD|CtrlHD|-ZR-|ADC|XZVN|RH|Kametsu|Garshasp)(?=\]|\)))", RegexOptions.IgnoreCase | RegexOptions.Compiled);
// Handle Exception Release Groups that don't follow -RlsGrp; Manual List
// name only...BE VERY CAREFUL WITH THIS, HIGH CHANCE OF FALSE POSITIVES
private static readonly Regex ExceptionReleaseGroupRegexExact = new Regex(@"\b(?<releasegroup>KRaLiMaRKo|E\.N\.D|D\-Z0N3|Koten_Gars|BluDragon|ZØNEHD|Tigole|HQMUX|VARYG|YIFY|YTS(.(MX|LT|AG))?|TMd|Eml HDTeam|LMain|DarQ|BEN THE MEN)\b", RegexOptions.IgnoreCase | RegexOptions.Compiled);
private static readonly Regex SpecialCharRegex = new Regex(@"(\&|\:|\\|\/)+", RegexOptions.Compiled);
private static readonly Regex PunctuationRegex = new Regex(@"[^\w\s]", RegexOptions.Compiled);
private static readonly Regex ArticleWordRegex = new Regex(@"^(a|an|the)\s", RegexOptions.IgnoreCase | RegexOptions.Compiled);
@@ -215,7 +180,7 @@ namespace NzbDrone.Core.Parser
if (ReversedTitleRegex.IsMatch(title))
{
var titleWithoutExtension = RemoveFileExtension(title).ToCharArray();
var titleWithoutExtension = FileExtensions.RemoveFileExtension(title).ToCharArray();
Array.Reverse(titleWithoutExtension);
title = $"{titleWithoutExtension}{title.Substring(titleWithoutExtension.Length)}";
@@ -223,14 +188,14 @@ namespace NzbDrone.Core.Parser
Logger.Debug("Reversed name detected. Converted to '{0}'", title);
}
var releaseTitle = RemoveFileExtension(title);
var releaseTitle = FileExtensions.RemoveFileExtension(title);
// Trim dashes from end
releaseTitle = releaseTitle.Trim('-', '_');
releaseTitle = releaseTitle.Replace("【", "[").Replace("】", "]");
foreach (var replace in PreSubstitutionRegex)
foreach (var replace in ParserCommon.PreSubstitutionRegex)
{
if (replace.TryReplace(ref releaseTitle))
{
@@ -242,10 +207,10 @@ namespace NzbDrone.Core.Parser
var simpleTitle = SimpleTitleRegex.Replace(releaseTitle);
// TODO: Quick fix stripping [url] - prefixes.
simpleTitle = WebsitePrefixRegex.Replace(simpleTitle);
simpleTitle = WebsitePostfixRegex.Replace(simpleTitle);
simpleTitle = ParserCommon.WebsitePrefixRegex.Replace(simpleTitle);
simpleTitle = ParserCommon.WebsitePostfixRegex.Replace(simpleTitle);
simpleTitle = CleanTorrentSuffixRegex.Replace(simpleTitle);
simpleTitle = ParserCommon.CleanTorrentSuffixRegex.Replace(simpleTitle);
simpleTitle = CleanQualityBracketsRegex.Replace(simpleTitle, m =>
{
@@ -295,7 +260,7 @@ namespace NzbDrone.Core.Parser
}
}
result.ReleaseGroup = ParseReleaseGroup(simpleReleaseTitle);
result.ReleaseGroup = ReleaseGroupParser.ParseReleaseGroup(simpleReleaseTitle);
var subGroup = GetSubGroup(match);
if (!subGroup.IsNullOrWhiteSpace())
@@ -521,74 +486,6 @@ namespace NzbDrone.Core.Parser
return null;
}
public static string ParseReleaseGroup(string title)
{
title = title.Trim();
title = RemoveFileExtension(title);
title = WebsitePrefixRegex.Replace(title);
title = CleanTorrentSuffixRegex.Replace(title);
var animeMatch = AnimeReleaseGroupRegex.Match(title);
if (animeMatch.Success)
{
return animeMatch.Groups["subgroup"].Value;
}
title = CleanReleaseGroupRegex.Replace(title);
var exceptionReleaseGroupRegex = ExceptionReleaseGroupRegex.Matches(title);
if (exceptionReleaseGroupRegex.Count != 0)
{
return exceptionReleaseGroupRegex.OfType<Match>().Last().Groups["releasegroup"].Value;
}
var exceptionExactMatch = ExceptionReleaseGroupRegexExact.Matches(title);
if (exceptionExactMatch.Count != 0)
{
return exceptionExactMatch.OfType<Match>().Last().Groups["releasegroup"].Value;
}
var matches = ReleaseGroupRegex.Matches(title);
if (matches.Count != 0)
{
var group = matches.OfType<Match>().Last().Groups["releasegroup"].Value;
if (int.TryParse(group, out _))
{
return null;
}
if (InvalidReleaseGroupRegex.IsMatch(group))
{
return null;
}
return group;
}
return null;
}
public static string RemoveFileExtension(string title)
{
title = FileExtensionRegex.Replace(title, m =>
{
var extension = m.Value.ToLower();
if (MediaFiles.MediaFileExtensions.Extensions.Contains(extension) || new[] { ".par2", ".nzb" }.Contains(extension))
{
return string.Empty;
}
return m.Value;
});
return title;
}
public static bool HasMultipleLanguages(string title)
{
return MultiRegex.IsMatch(title);
@@ -697,7 +594,7 @@ namespace NzbDrone.Core.Parser
return false;
}
var titleWithoutExtension = RemoveFileExtension(title);
var titleWithoutExtension = FileExtensions.RemoveFileExtension(title);
if (RejectHashedReleasesRegex.Any(v => v.IsMatch(titleWithoutExtension)))
{

23
src/NzbDrone.Core/Parser/ParserCommon.cs Normal file
View File

@@ -0,0 +1,23 @@
using System.Text.RegularExpressions;
namespace NzbDrone.Core.Parser;
// These are functions shared between different parser functions
// they are not intended to be used outside of them parsing.
internal static class ParserCommon
{
internal static readonly RegexReplace[] PreSubstitutionRegex = System.Array.Empty<RegexReplace>();
// Valid TLDs http://data.iana.org/TLD/tlds-alpha-by-domain.txt
internal static readonly RegexReplace WebsitePrefixRegex = new (@"^(?:(?:\[|\()\s*)?(?:www\.)?[-a-z0-9-]{1,256}\.(?<!Naruto-Kun\.)(?:[a-z]{2,6}\.[a-z]{2,6}|xn--[a-z0-9-]{4,}|[a-z]{2,})\b(?:\s*(?:\]|\))|[ -]{2,})[ -]*",
string.Empty,
RegexOptions.IgnoreCase | RegexOptions.Compiled);
internal static readonly RegexReplace WebsitePostfixRegex = new (@"(?:\[\s*)?(?:www\.)?[-a-z0-9-]{1,256}\.(?:xn--[a-z0-9-]{4,}|[a-z]{2,6})\b(?:\s*\])$",
string.Empty,
RegexOptions.IgnoreCase | RegexOptions.Compiled);
internal static readonly RegexReplace CleanTorrentSuffixRegex = new (@"\[(?:ettv|rartv|rarbg|cttv|publichd)\]$",
string.Empty,
RegexOptions.IgnoreCase | RegexOptions.Compiled);
}

87
src/NzbDrone.Core/Parser/ReleaseGroupParser.cs Normal file
View File

@@ -0,0 +1,87 @@
using System.Linq;
using System.Text.RegularExpressions;
using NzbDrone.Core.MediaFiles;
namespace NzbDrone.Core.Parser;
public static class ReleaseGroupParser
{
private static readonly Regex ReleaseGroupRegex = new (@"-(?<releasegroup>[a-z0-9]+(?<part2>-[a-z0-9]+)?(?!.+?(?:480p|576p|720p|1080p|2160p)))(?<!(?:WEB-(DL|Rip)|Blu-Ray|480p|576p|720p|1080p|2160p|DTS-HD|DTS-X|DTS-MA|DTS-ES|-ES|-EN|-CAT|-ENG|-JAP|-GER|-FRA|-FRE|-ITA|-HDRip|\d{1,2}-bit|[ ._]\d{4}-\d{2}|-\d{2}|tmdb(id)?-(?<tmdbid>\d+)|(?<imdbid>tt\d{7,8}))(?:\k<part2>)?)(?:\b|[-._ ]|$)|[-._ ]\[(?<releasegroup>[a-z0-9]+)\]$",
RegexOptions.IgnoreCase | RegexOptions.Compiled);
private static readonly Regex InvalidReleaseGroupRegex = new (@"^([se]\d+|[0-9a-f]{8})$", RegexOptions.IgnoreCase | RegexOptions.Compiled);
private static readonly Regex AnimeReleaseGroupRegex = new (@"^(?:\[(?<subgroup>(?!\s).+?(?<!\s))\](?:_|-|\s|\.)?)",
RegexOptions.IgnoreCase | RegexOptions.Compiled);
// Handle Exception Release Groups that don't follow -RlsGrp; Manual List
// name only...be very careful with this last; high chance of false positives
private static readonly Regex ExceptionReleaseGroupRegexExact = new (@"\b(?<releasegroup>KRaLiMaRKo|E\.N\.D|D\-Z0N3|Koten_Gars|BluDragon|ZØNEHD|Tigole|HQMUX|VARYG|YIFY|YTS(.(MX|LT|AG))?|TMd|Eml HDTeam|LMain|DarQ|BEN THE MEN)\b", RegexOptions.IgnoreCase | RegexOptions.Compiled);
// groups whose releases end with RlsGroup) or RlsGroup]
private static readonly Regex ExceptionReleaseGroupRegex = new (@"(?<=[._ \[])(?<releasegroup>(Silence|afm72|Panda|Ghost|MONOLITH|Tigole|Joy|ImE|UTR|t3nzin|Anime Time|Project Angel|Hakata Ramen|HONE|Vyndros|SEV|Garshasp|Kappa|Natty|RCVR|SAMPA|YOGI|r00t|EDGE2020|RZeroX|FreetheFish|Anna|Bandi|Qman|theincognito|HDO|DusIctv|DHD|CtrlHD|-ZR-|ADC|XZVN|RH|Kametsu)(?=\]|\)))", RegexOptions.IgnoreCase | RegexOptions.Compiled);
private static readonly RegexReplace CleanReleaseGroupRegex = new (@"(-(RP|1|NZBGeek|Obfuscated|Obfuscation|Scrambled|sample|Pre|postbot|xpost|Rakuv[a-z0-9]*|WhiteRev|BUYMORE|AsRequested|AlternativeToRequested|GEROV|Z0iDS3N|Chamele0n|4P|4Planet|AlteZachen|RePACKPOST))+$",
string.Empty,
RegexOptions.IgnoreCase | RegexOptions.Compiled);
public static string ParseReleaseGroup(string title)
{
title = title.Trim();
title = FileExtensions.RemoveFileExtension(title);
foreach (var replace in ParserCommon.PreSubstitutionRegex)
{
if (replace.TryReplace(ref title))
{
break;
}
}
title = ParserCommon.WebsitePrefixRegex.Replace(title);
title = ParserCommon.CleanTorrentSuffixRegex.Replace(title);
var animeMatch = AnimeReleaseGroupRegex.Match(title);
if (animeMatch.Success)
{
return animeMatch.Groups["subgroup"].Value;
}
title = CleanReleaseGroupRegex.Replace(title);
var exceptionReleaseGroupRegex = ExceptionReleaseGroupRegex.Matches(title);
if (exceptionReleaseGroupRegex.Count != 0)
{
return exceptionReleaseGroupRegex.OfType<Match>().Last().Groups["releasegroup"].Value;
}
var exceptionExactMatch = ExceptionReleaseGroupRegexExact.Matches(title);
if (exceptionExactMatch.Count != 0)
{
return exceptionExactMatch.OfType<Match>().Last().Groups["releasegroup"].Value;
}
var matches = ReleaseGroupRegex.Matches(title);
if (matches.Count != 0)
{
var group = matches.OfType<Match>().Last().Groups["releasegroup"].Value;
if (int.TryParse(group, out _))
{
return null;
}
if (InvalidReleaseGroupRegex.IsMatch(group))
{
return null;
}
return group;
}
return null;
}
}