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Configurable custom GraphQL Scalars (string, number, date, etc) with sanitization / validation / transformation in TypeScript.

E-Mail address format validation module.

A Node.js library providing URL validation functionality to check whether a given string is a valid URL.

Validation utilities.

Generate customizable random strings (tokens) using secure charsets with validation – zero dependencies.

functions for validation

Advanced template compiler with deep variable resolution, object processing, and strict validation

A flexible validation library with customizable rules for strings and numbers

A lightweight validation package that helps validate fields from requests.

Wrap zod validation errors in user-friendly readable messages.

string validation library

A comprehensive collection of TypeScript/JavaScript utility functions for common programming tasks. Includes validation, object manipulation, date handling, string formatting, and more. Zero dependencies, fully typed, and optimized for performance.

A configurable custom input string type for GraphQL with sanitization and validation.

Check if a string is HTML

A simple validation to check if a string or array contains a know first name

Small string validation module for HTML forms or any kind of situation that requires a specific validation.

TypeScript Enum Utilities

String format validation plugin for Doubter.

ANSI escape codes for styling strings in the terminal

Strip ANSI escape codes from a string