{"id":18603067,"url":"https://github.com/devlooped/isbn","last_synced_at":"2025-05-16T18:13:26.749Z","repository":{"id":40306476,"uuid":"425117535","full_name":"devlooped/isbn","owner":"devlooped","description":"ISBN parsing 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ISBN parsing library\n============\n\n[![Version](https://img.shields.io/nuget/vpre/ISBN.svg?color=royalblue)](https://www.nuget.org/packages/ISBN)\n[![Downloads](https://img.shields.io/nuget/dt/ISBN.svg?color=green)](https://www.nuget.org/packages/ISBN)\n[![License](https://img.shields.io/github/license/devlooped/isbn.svg?color=blue)](https://github.com/devlooped/isbn/blob/main/license.txt)\n\n\u003c!-- #content --\u003e\nAn ISBN parsing library\n\n# Usage\n\n```csharp\nif (ISBN.TryParse(\"9780753557525\", out var isbn))\n{\n    Console.WriteLine($\"Publisher: {isbn.Publisher}, Article: {isbn.Article} (Group {isbn.Group}, {isbn.GroupName})\");    \n}\n\n\u003e Publisher: 7535, Article: 5752 (Group 0, English language)\n```\n\n## Attribution\n\nThe implementation is mostly a port from https://github.com/inventaire/isbn3, and consumes the \ngroup information published in that repository.\n\n[ISBN groups and ranges data](https://github.com/devlooped/isbn/blob/main/src/ISBN/groups.js) \nis kept up to date via [dotnet-file sync](https://github.com/devlooped/dotnet-file) from the \nisbn3 repository which in turn fetches [isbn-international.org](https://www.isbn-international.org) data.\n\n\n\u003c!-- #content --\u003e\n\u003c!-- include https://github.com/devlooped/sponsors/raw/main/footer.md --\u003e\n# Sponsors \n\n\u003c!-- sponsors.md --\u003e\n[![Clarius Org](https://raw.githubusercontent.com/devlooped/sponsors/main/.github/avatars/clarius.png \"Clarius Org\")](https://github.com/clarius)\n[![MFB Technologies, Inc.](https://raw.githubusercontent.com/devlooped/sponsors/main/.github/avatars/MFB-Technologies-Inc.png \"MFB Technologies, Inc.\")](https://github.com/MFB-Technologies-Inc)\n[![Torutek](https://raw.githubusercontent.com/devlooped/sponsors/main/.github/avatars/torutek-gh.png \"Torutek\")](https://github.com/torutek-gh)\n[![DRIVE.NET, Inc.](https://raw.githubusercontent.com/devlooped/sponsors/main/.github/avatars/drivenet.png \"DRIVE.NET, 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