field-validation

A simple, lightweight and powerful field validation library for Android.

Extends the Django model with required, conditional, and optional field validation.

Object-oriented package for validating Flutter form fields.

This project will show how to use lombok, custom-validation, exception handling

Python (Flask) and Mongo DB Restful Micro Service Architecture

A jQuery plugin which uses regular expressions to validate and control input to HTML text fields. Use 38 built-in types or define your own; discard invalid keystrokes to prevent invalid values from ever making it into the field, or flag the field as invalid.

Bitrix24 on-premise module that blocks deals from moving to a stage until required fields are filled — with a popup right in the kanban and deal card. Visual rule builder with AND/OR conditions on fields and stages, business process launch as an action, and a field change audit log.

ValidatorKit removes the pain of writing form validation by hand. Instead of if-else chains and scattered error state, you declare your rules once and the framework handles the rest.

Dynamic form field validator. No need to check field is filled or not when user pressed the submit button. The field will be dynamically checked and submit button will get enabled only when the mandatory fields are filled

Проверка значений полей класса (Validating class field values)

Front-end exercises

reusable combinable composite field validators for mongoengine models

Hands-on practice repo for understanding Pydantic, type safety, data validation, and clean Python data models.

FastAPI Todo API with advanced Pydantic validation: field validators, model validators, and cross-field validation rules. Comprehensive testing with pytest.

A Django REST Framework based Employee Management API supporting serialization, model instances, CRUD operations, field-level validation, object-level validation, and partial updates with structured employee data handling.

Valex: a type-safe validation for Go structs, values, and HTTP forms. Register the validators you need or create your own.

A Python tool for validating and standardizing markdown document structure before LLM processing. Configurable field validation, auto-correction, and YAML-based rules for document preprocessing.