In search of the perfect URL validation regex (2010)

• typesense-website

  2 33 9.3 Vue

  Typesense website and documentation | An open source search engine alternative to Algolia, Elasticsearch and Pinecone

  

• core-js

  141 23,817 9.8 JavaScript

  Standard Library

Here’s a polyfill for the JS URL() interface which should give you a taste: https://github.com/zloirock/core-js/blob/272ac1b4515c5cfbf34... (I tried finding the one in Firefox but I couldn’t actually work out where it started, this one is much easier to follow)

TLDR: with a traditional parser, a big state machine that steps through the URL character by character and tokenizes it into the relevant pieces.

• SurveyJS

  surveyjs.io sponsored

  Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.

  

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