JSPM

Try to parse a string as JSON and return undefined on failure

Fast, tiny and type-safe runtime validation library

An extremely fast web scraper that parses megabytes of HTML in a blink of an eye. No dependencies. PHP5+

An AngularJS directive to trigger a method when an input is valid (or invalid).

Module to generate String based on validation

DirtyJSON is a Node.js library designed for fixing and parsing invalid JSON data. 超强纠错 JSON 解析器。

An icon for indicating a validity status.

A possibility of UI having an invalid state.

A jQuery plugin to hang actions from an element if target fields are not valid.

✅ A function to validate data using validators.

A linux password hash value (for the password field in /etc/passwd or /etc/shadow) that is invalid (i.e. there is no correct input that could match this hash) but can be used with ansible without fuss.

Checks asynchronously whether an image URL is valid or not.

Linkquest is an easy way to get all of the valid and invalid links on a single page or an entire site.

A simple and composable way to validate data in JavaScript (and TypeScript).

detects dependency version mismatches for streamlined dependency management

An Angular directive for nested forms that prevents $invalid from propagating

Verify bunch of emails

Linkquest CLI is the CLI version of Linkquest, which provides you with an easy way to get all of the valid and invalid links on a single page or an entire site through the command line.

invalid element className

A simple, expressive way to validate data in JavaScript.

Get the changed object from form

Composable and checkable JavaScript(and TypeScript) data structure

Required & Invalid directives for any required form control (except for group of checkboxes and radio buttons), plus a simple component that provides a red asterisk (by default) to complement any <label> tag.

A simple, expressive way to validate data in JavaScript.

A node executable to find any filenames recursively with characters that don't belong in URLs

A simple and composable way to validate data in JavaScript (and TypeScript).

A simple and composable way to validate data in JavaScript (and TypeScript).

Intelligent Forms to detect invalid inputs

A simple, expressive way to validate data in JavaScript.

A node executable to find any filenames recursively with invalid characters in them

An all-in-one data solution for TypeScript projects

A simple, expressive way to validate data in JavaScript.

Make assertions and perform checks for types and literal values

An optimized version of Joi. A very simple input validation by creating a schema and comparing it to the given data.