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A validator is a computer program used to check the validity or syntactical correctness of a fragment of code or document. The term is commonly used in the  ...

The W3C Markup Validation Service


World Wide Web Consortium validator, maintained at W3C by W3C staff and collaborators. Checks the markup validity of Web documents in HTML, XHTML, ...

validator - npm


Apr 4, 2016 ... Server-side usage. Install the library with npm install validator. var validator = require('validator');. validator.isEmail('foo@bar.com'); //=> true ...

Validators | Django documentation | Django


A validator is a callable that takes a value and raises a ValidationError if it doesn't meet some criteria. Validators can be useful for re-using validation logic ...

Hibernate Validator - Hibernate Validator


Hibernate Validator allows to express and validate application constraints. The default metadata source are annotations, with the ability to override and extend ...

JSONLint - The JSON Validator.


JSON Lint is a web based validator and reformatter for JSON, a lightweight data- interchange format.

validators 0.10 : Python Package Index


validators 0.10. Download validators-0.10.tar.gz. Python Data Validation for Humans™. Python Data Validation for Humans™.

Validator | Define Validator at Dictionary.com


Validator definition, to make valid; substantiate; confirm: Time validated our suspicions. See more.

Feed Validator for Atom and RSS


This is a validator for syndicated feeds. It works with RSS 0.90, 0.91, 0.92, 0.93, 0.94, 1.0, and 2.0. It also validates Atom feeds.

WDG HTML Validator - HTML Help by The Web Design Group


The WDG Validator will check the syntactical correctness of your HTML to help you produce more accessible Web pages.

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Validators - FormValidation


FormValidation comes with various built-in validators listed in ...

validatorsvalidators 0.10 documentation


Each validator in validators is a simple function that takes the value to validate and possibly some additional key-value arguments. Each function returns True ...



An online RELAX NG validation service. Supports multiple schemas at a time.