Libraries tagged by string validation

SchemaValidator is a PHP implementation for validating JSON against a Schema (also a string), the JSON and Schema are both linted with https://github.com/cmpayments/jsonlint. This library is optimized for speed and performance.

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Farsi Tools for Dates and Numbers and Strings (with Laravel Validation Support)

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Laravel wrapper for voku/anti-xss — Facade, service, validation rule, middleware and Blade directive to sanitize XSS in strings.

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query string validation for laminas-api-tools/api-tools-rest

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Fast, dependency-free data validation for PHP with a string rule DSL, callable rules and localized error messages.

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Laravel validation rule that checks if a string is offensive.

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Laravel validation rule that checks if a string is offensive.

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Easy validation, casting and authorization of HTTP query string parameters

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A collection of useful classes that deals with UTF-8 strings, URLs, punycode, form validation and more

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Checks for keywords (e.g. [email protected]) and block submissions of the strings are present

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A flexible, lightweight, and object-oriented string filtering and sanitization library.

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The Titon utility package provides convenience classes for basic tasks like validation, formatting, sanitization and more.

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High-performance PHP 8.4+ string manipulation library featuring O(n) algorithms with up to 5x speed improvements. Provides Unicode-aware operations including searchWords(), nameFix(), utf8Ansi(), removeAccents(), and isValidDate() with comprehensive testing infrastructure.

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Little methods collection in order to validate variables contents

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A package to make it easy to use a validate JSON strings.

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