Awesome GitHub RepositoriesString Format Validators

This is a Go struct validation library used to maintain data integrity by enforcing constraints on fields, slices, and maps. It functions as a schema validation tool and data integrity validator, ensuring that complex nested structures adhere to predefined rules. The library utilizes struct tags to configure validation logic at runtime and supports a custom function registry for extending validation rules. It is distinguished by its ability to perform cross-field dependency evaluation, allowing the comparison of values between different fields within the same data structure to ensure logical

This project is a UUID generation library providing a standards-compliant implementation of RFC 4122. It serves as a tool for creating and validating universally unique identifiers across multiple versions to ensure global uniqueness and prevent data collisions. The library supports several generation methods, including random-based entropy, timestamp sequencing, and namespace-based hashing. It also includes utilities for identifier validation, parsing, and converting identifiers between hexadecimal string representations and binary byte arrays. A command line utility is included for the man

is.js is a JavaScript validation library and data type checker. It provides a suite of utilities to verify whether variables are primitives, arrays, functions, or specific object types. The project allows for the implementation of custom validation logic and the use of naming namespaces to override default rules and regular expressions. It covers a broad range of validation capabilities, including numeric arithmetic properties, date and time analysis for relative and absolute ranges, and string format verification for patterns such as emails, URLs, and IP addresses. The library also includes

Valibot is a modular, type-safe schema library for validating and parsing structural data in TypeScript environments.

Any-rule is a multi-platform regular expression tool that provides a curated catalog of over 70 ready-to-use patterns for validating and extracting common data formats. The project separates its static regex collection from editor-specific plugins, allowing the same pattern library to be accessed through VS Code, IntelliJ IDEA, Alfred Workflow, and a web interface. The tool enables keyword-based pattern retrieval, letting users search for the correct regex by typing descriptive terms rather than remembering exact syntax. It covers a broad range of validation needs including email addresses, U

pysheeet ist eine technische Referenzbibliothek, die eine kuratierte Sammlung von Code-Snippets und Implementierungsmustern für fortgeschrittene Python-Entwicklung, Systemintegration und High-Performance-Computing bereitstellt. Sie dient als umfassender Leitfaden für die Implementierung von Low-Level-Netzwerkprogrammierung, nativen C-Erweiterungen sowie asynchroner und nebenläufiger Programmierung. Das Projekt bietet spezialisierte Frameworks für die Entwicklung und Bereitstellung von Large Language Models, einschließlich Werkzeugen für verteilte GPU-Inferenz und High-Performance-Serving. Es enthält zudem detaillierte Muster für die Orchestrierung von High-Performance-Computing-Clustern, die GPU-Ressourcenzuweisung und Multi-Node-Workload-Management abdecken. Die Bibliothek deckt ein breites Spektrum an Funktionen ab, einschließlich sicherer Netzwerkkommunikation und Kryptografie, Object-Relational-Mapping und Datenbankverwaltung sowie die Implementierung komplexer Datenstrukturen und Algorithmen. Sie bietet zudem Utilities für Speicherverwaltung, native Interoperabilität via Foreign-Function-Interfaces und systemnahe OS-Integration.

Arktype is a TypeScript runtime validation library and schema orchestrator. It synchronizes TypeScript types with runtime data validation, allowing users to define type-safe schemas that ensure unknown data adheres to specific structures during application execution. The project distinguishes itself by using set-theory type analysis to determine intersections and subtype compatibility, alongside JIT-compiled validation functions for optimized performance. It supports advanced type modeling through branded type constraints, recursive alias resolution, and the ability to generate runtime valida

This project is a front-end interview study guide and a collection of structured notes designed for technical job preparation. It serves as a comprehensive reference for web technologies, common technical interview questions, and JavaScript algorithm implementation. The notebook distinguishes itself by integrating specialized guides for web performance optimization, browser API documentation, and JavaScript algorithm references. It provides a structured approach to solving coding challenges involving data structures like binary trees, linked lists, and array manipulation. The content covers

This PHP assertion library is a runtime data validator used to verify method inputs and outputs. It provides a toolkit for validating data types, numeric ranges, and string patterns during program execution to prevent invalid states. The project serves as a static analysis helper by providing type hints and annotations that improve the accuracy of formal verification tools. It includes a collection validation utility for applying rules across arrays or iterable collections, and a filesystem validation tool to verify path existence and read or write permissions. The library covers a broad ran

Proxyman is a cross-platform HTTP debugging proxy that captures, inspects, and modifies HTTP, HTTPS, and WebSocket traffic. It functions as a man-in-the-middle proxy, decrypting SSL/TLS traffic to allow real-time inspection and modification of encrypted requests and responses. The tool is designed for debugging web and mobile applications, with capabilities for API mocking and simulation, scriptable traffic modification, and team collaboration on network logs. What distinguishes Proxyman is its deep integration with mobile and cross-platform development workflows. It provides automated certif

1loc is a JavaScript utility library and multifaceted toolkit providing a collection of single-line functions for common mathematical, string, date, and geometric operations. It functions as a set of functional programming helpers and data validation predicates designed to perform atomic transformations and validations. The project includes a geometry math library for calculating distances, angles, and spatial overlaps between points and rectangles, alongside a text manipulation library for casting, capitalizing, and analyzing string content. The toolkit covers broader capability areas inclu

Inputmask is a JavaScript library that serves as a client-side input formatter and form input validator. It constrains text input fields to specific formats, such as phone numbers and dates, to ensure data consistency. The project provides guided text entry and user input validation to prevent formatting errors. It standardizes how structured information is entered in web browsers to support more reliable server-side processing. The library manages data validation and formatting by enforcing predefined patterns on user entry. It handles real-time input interception, cursor-position tracking,

Go Package of validators and sanitizers for strings, numerics, slices and structs

This is an RFC 4122 UUID package for Go that generates, parses, and validates universally unique identifiers. It provides a library for creating UUIDs that conform to standard formatting rules, along with utilities for inspecting UUID properties such as variant, version, and nil status. The package supports DCE 1.1 Security Extension UUID generation and parsing, and includes byte-level UUID construction by directly manipulating 16-byte arrays with version and variant bits. It validates UUID strings against RFC 4122 formatting rules, including hyphens and hexadecimal characters, and can detect

TypeSpec is a language for defining cloud API shapes and generating OpenAPI, JSON Schema, and client/server code from a single source of truth. It functions as a protocol-agnostic API designer that models REST, gRPC, and other API protocols using a unified, extensible syntax, with a decorator-based metadata system for attaching metadata, validation rules, and lifecycle visibility to API models and operations. The compiler produces OpenAPI 3.0 specifications and other artifacts, and the tool supports declaring API versions and tracking changes to models, properties, and operations across releas

Lancet is a comprehensive extension of the Go standard library, providing a collection of reusable functions and data structures designed to reduce boilerplate code in applications. It serves as a general-purpose toolkit across multiple domains, including concurrency, security, networking, and functional logic. The project distinguishes itself through specialized toolkits for Go concurrency, such as keyed locking and channel-based stream processing, and a dedicated functional programming kit that supports currying and function composition. It also includes a dedicated cryptography library imp

Dieses Projekt ist eine JSON-Schema-Validierungsbibliothek und ein Framework, das verwendet wird, um zu verifizieren, dass Dateninstanzen deklarativen Definitionen entsprechen. Es fungiert als Validierungs-Engine, die strukturelle Einschränkungen und Datentypen erzwingt, während es gleichzeitig als Meta-Validator dient, um sicherzustellen, dass Schemadefinitionen selbst syntaktisch korrekt gegenüber offiziellen Meta-Schemas sind. Die Bibliothek ist auf Erweiterbarkeit ausgelegt und erlaubt es Nutzern, benutzerdefinierte Validierungslogik durch das Mapping von Schema-Schlüsselwörtern auf spezialisierte aufrufbare Funktionen zu definieren. Sie enthält einen registry-basierten Referenz-Resolver zur Verwaltung interner und externer URI-Referenzen, um Subschemas über verschiedene Dokumente hinweg wiederzuverwenden. Das System deckt ein breites Spektrum an Validierungsfunktionen ab, einschließlich Datentypverifizierung, String-Formatprüfung für Typen wie E-Mails und UUIDs sowie umfassende Fehlerberichterstattung. Diagnosetools bieten verschachteltes Fehler-Tracking und heuristische Filterung, um die relevantesten Fehler innerhalb einer Datenstruktur zu identifizieren.

Dieses Projekt ist eine Python-Implementierung der JSON-Schema-Spezifikation und bietet eine Bibliothek zur Überprüfung, ob Dateninstanzen definierten Schemas entsprechen. Es dient als Datenvalidierungs-Framework, das sowohl die Daten selbst als auch die Schemas gegen offizielle Meta-Schemas validieren kann, um strukturelle Korrektheit sicherzustellen. Die Bibliothek verfügt über einen Schema-Referenz-Resolver, der URIs auf Definitionen abbildet und so die Auflösung interner und entfernter Referenzen für ein modulares Schema-Management ermöglicht. Sie ist auf Erweiterbarkeit ausgelegt und erlaubt die Definition benutzerdefinierter Schlüsselwörter, benutzerdefinierter Typ-Prüflogik und die Registrierung neuer Validierungsfunktionen für spezialisierte String-Formate. Das System bietet eine umfassende Fehlerberichterstattung, die alle Verstöße in einer Dateninstanz identifiziert und in einer baumstrukturierten Hierarchie organisiert. Dies ermöglicht die programmatische Abfrage von Validierungsfehlern, die Extraktion diagnostischer Metadaten und die Identifizierung primärer Fehler basierend auf der Datenhierarchie. Die Implementierung unterstützt mehrere Spezifikationsentwürfe durch versionsspezifische Validator-Klassen und Schema-Dialekt-Spezifikationen.

This is a regular expression library designed for the validation and identification of mobile phone numbers from mainland China. It provides the structural rules and digit constraints necessary to verify that phone numbers follow the correct regional format. The library includes specific patterns to determine the telecommunications provider based on regional prefixes. It also features filters to distinguish between standard voice numbers and IoT or data-only plans. The project covers broad data validation capabilities, including input format verification and carrier identification.

Open Location Code is a geocoding library and toolset used to transform global latitude and longitude coordinates into standardized, human-readable alphanumeric digital addresses and back again. It functions as an offline location coding system that generates unique identifiers for any location on Earth, specifically providing digital addresses for areas where formal street addresses or postal systems are missing. The system operates as a stateless algorithmic process, allowing coordinates to be encoded and decoded without the need for network access, internet connections, or external databas