validator.dart

validator.dart is a comprehensive string validation and sanitization library for Dart. It provides a wide range of functions to validate common data formats like emails, URLs, dates, and credit cards, as well as sanitize strings for safe usage in applications.

Key Features

• Email Validation — Check if a string is a valid email address.
• URL Validation — Validate URLs with configurable options for protocols and domain rules.
• Data Type Checks — Verify strings as integers, floats, base64, hexadecimal, or JSON.
• Format Validation — Validate UUIDs, IP addresses, credit cards, ISBNs, and MongoDB ObjectIds.
• String Sanitization — Trim, escape HTML, normalize emails, and filter characters using whitelist/blacklist.
• Locale-Aware Checks — Support for multibyte, full-width, half-width, and variable-width character validation.

Philosophy

The library follows a pragmatic, utility-first approach, offering a straightforward API for common validation and sanitization tasks without unnecessary complexity.