regex extract domain from url javascript


'.bc.ca'). I tried with URLs and just domains themselves. DEV Community 2016 - 2022. From there, we then do another pass on this and instead of looking from the left-to-right like you would with the preceding ^ symbol, we use the ending $ symbol, working right-to-left, and allow only 4 conditions on the end: .xx.xx, .xx, .xxx, or more than .xxx (such as 4+ character TLDs), where x is a non-word boundary item. Why and How You Should Use It? I did find another SOF that tries to solve in PHP, unfortunately I don't know PHP. In the US, how do we make tax withholding less if we lost our job for a few months? How can I validate an email address in JavaScript? What is Node.Js? I don't know how to combine the two match rules into a single regexp, however. Write a function that, when given a URL as a string, returns only the domain name as a string. Can you please explain what Here is the link to above regex. Daily Challenge #193 - What's the Real Floor? I try to stay as generalist as I can in this crazy wide place coding is at now. If you absolutely want to preserve the www into your regex, you could try this one: /^(?:https?:\/\/)?(?:[^@\n]+@)?(?:www\.)?(?:[^.]+\.)?([^:\/\n\?\=]+)/im. Daily Challenge #36 - Let's go for a run! Daily Challenge #195 - No Zeroes for Heroes, Daily Challenge #199 - List of All Rationals, Daily Challenge #200 - Longest Linear Palindromic Substring, Daily Challenge #201 - Complete the Pattern, Daily Challenge #202 - Complete the Pattern II, Daily Challenge #205 - Consonant String Value, Daily Challenge #206 - Pound Means Backspace, Daily Challenge #207 - Snakes and Ladders, Daily Challenge #208 - Delete Occurrences of an Element, Daily Challenge #210 - Separate Capitalization, Daily Challenge #211 - Product Partitions. Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, This looks to be the best solution so far. Sets with both additive and multiplicative gaps. This is what I've come up with.

Coding since 11yo, that makes it over 30 years now ~~~ . So, you need firstmost hostname stripped from your result, unless there only two parts already? However, I'll keep the above for reasons where you may want to get both values, although the function only returned the root (but with a quick edit, could have returned both full domain and root domain). Daily Challenge #217 - SMS w/ an Old Phone, Daily Challenge #218 - Possible Sides of a Non-Right Triangle. may So it replaces the complete string 'test.something.else.com' with '$1' which is actually 'else.com'. With you every step of your journey. This will result in a string containing 'else.com'. Is it patent infringement to produce patented goods but take no compensation? Templates let you quickly answer FAQs or store snippets for re-use. Unfortunately, I think the only way to improve on it is to use the list of all TLDs to find how much of the end of the domain is TLD. EDIT: Since posting this answer, I learned how to combine the full domain and the root part into one single RegExp. For further actions, you may consider blocking this person and/or reporting abuse. Software engineer at RatherKeepItASecret. Is it against the law to sell Bitcoin at a flea market? 2021 FaqCode4U.com. It labels this into a named capture group called domain. check below examples, regex comes out to be 15x faster than the built-in module. Once unpublished, all posts by thepracticaldev will become hidden and only accessible to themselves. salientSubdomain is the human-readable part of a domain name host as reqd. You can now choose to sort by Trending, which boosts votes that have happened recently, helping to surface more up-to-date answers. The most specific domain name in "www dot youtube dot com" is "www". mv fails with "No space left on device" when the destination has 31 GB of space remaining. Daily Challenge #16 - Number of People on the Bus, Daily Challenge #19 - Turn numbers into words, Daily Challenge #21 - Human Readable Time, Daily Challenge #31 - Count IPv4 Addresses. Note2: This won't work for the URIs that have a dot in their name, still working on it. Asking for help, clarification, or responding to other answers. It just clips off www's and TLD's, with a little complication to handle non-matching strings cleanly. Once suspended, thepracticaldev will not be able to comment or publish posts until their suspension is removed. Since TLDs now include things with more than three-characters like .wang and .travel, here's a regex that satisfies these new TLDs: Strategy: starting at the end of the string, look for one or more characters that aren't periods or whitespace, followed by a single period, followed by one or more characters that aren't periods or whitespace. Have a PhD in Comp Sci ~~~ Love to go on bike tours ~~~ Developer. Write more code and save time using our ready-made code examples. This is equivalent to killing a fly with a Sherman tank. How to capture video from default camera in OpenCV using C++? How do I remove a property from a JavaScript object? Uniform_Resource_Identifier on wikipedia. Connect and share knowledge within a single location that is structured and easy to search. Daily Challenge #213 - Are they the "same"? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. It has the same effect as: Daily Challenge #255 - Is There an Odd Bit? Just postprocess your result from first match with regexp matching that condition: /^(?:https?:\/\/)?(?:[^@\n]+@)?(?:[^.]+\.)?([^:\/\n\?\=]+)/im. Try it: codesandbox.io/s/affectionate-dawn Jesus, NO! It will become hidden in your post, but will still be visible via the comment's permalink. Daily Challenge #192 - Can you Survive the Zombies?

How to create serial number using ng-repeat in AngularJS ? "a" probably is an object which has the hostname property so that assignment extracts hostname. Installation phpMyAdmin 4.6.3 documentation, Safe storage of app secrets in development in ASP.NET Core, Adding decorated classes to the ASP.NET Core DI container using Scrutor, Xamarin.Forms Android project: BluetoothSocket.Connect throws Exception every time, Regular expression to validate an HTML hexadecimal color in jQuery, How to Convert a Map to JSON in JavaScript. Please, please, for the love of God and companies everywhere that are sick of obfuscated, confusing unmanageable, unmaintainable and insecure code, please look at the one line pure Javascript code above this answer. rev2022.7.21.42639. Next, it looks for all non-word boundary stuff except allows the dash and period like you'd potentially see in domains.

Email yo+challenge@dev.to with your suggestions! Daily Challenge #86 - Wouldn't, not Would. 5 days ago (vis by Debuggex, which rocks), considering subdomains & second-level domains (ie. const { hostname } = a; and only accessible to dev.to staff. Do you have any way on improving this one? ~ angularfix, Expand a div to display an image - JavaScript, How to Modify Nodes in an Abstract Syntax Tree, Waterfall Chart and How to Create It with JavaScript (HTML5), Excel Worksheet Filtering Sample - Excel Worksheet Filtering with Javascript Excel Control, Tutorial: Creating and managing a Node.js server on AWS, part 1, Deserialization of JSON string to object list, Using Array of JSON Objects in JavaScript, Building a Desktop App with Electron and Vue.js, Ajax Call to Map Inside Tabbed Panel - JavaScript, How to Check Whether a String Contains a Substring in JavaScript. Daily Challenge #125 - 23 Matches or More, Daily Challenge #126 - The Supermarket Line, Daily Challenge #127 - Playing with Passphrases, Daily Challenge #129 - Clay Pigeon Shooting, Daily Challenge #131 - Remove Anchor from URL. If you click a merchant link and buy a product or service on their website, we To learn more, see our tips on writing great answers. That's called destructuring assignment. EDIT: It also prevents the domain match from including a port such as :8080 as an example. var d = new Date() :D. No I didn't and I assume it will fail for this particular case. This routine won't properly process bad domains like example..com. I think I can mod to exclude bad domains given too such as, @MarkII, yeah, you can string pretty much any other checks you want on top of that. Gamer. Daily Challenge #89 - Extract domain name from URL, Daily Challenge #96 - Easter Egg Crush Test, Daily Challenge #101 - Parentheses Generator, Daily Challenge #105 - High-Sum Matrix Drop, Daily Challenge #106 - Average Fuel Consumption, Daily Challenge #108 - Find the Counterfeit Coin, Daily Challenge #109 - Decorate with Wallpaper, Daily Challenge #110 - Love VS. Scientifically plausible way to sink a landmass. Announcing the Stacks Editor Beta release! Taking the shortest solution that seems to somehow solve the vague requirements and declaring it solved and secure. What do you want to get for something like "a.b.c.ac.il"? Learning TypeScript, Software Design and Architecture. If thepracticaldev is not suspended, they can still re-publish their posts from their dashboard. Get code examples like"javascript regex get domain from url". How to Round Double to Any Decimal Place in Java, 200 lines of js code, take you to implement the code compiler, Loop through all tables in a database SQL Server, Node_modulesnode-sassvendorwin32-x64-64binding node is not a valid Win32 application, What is the use of magic table in SQL Server. (edited because def dot to removed the www from my youtube URL.). What does "use strict" do in JavaScript, and what is the reasoning behind it? Daily Challenge #43 - Boardgame Fight Resolver. Making statements based on opinion; back them up with references or personal experience. What are the purpose of the extra diodes in this peak detector circuit (LM1815)? Which equals operator (== vs ===) should be used in JavaScript comparisons? form search jquery ip validation for only one IP, Angularjs Pagination Index Issue? Built on Forem the open source software that powers DEV and other inclusive communities. Daily Challenge #54 - What century is it? I got close but inconsistent results.

Daily Challenge #134 - Rice and Chessboard Problem. This is because the regex itself will match the complete string and the capturing group will be mapped to $1. I've also added. This routine will work on just domain names or entire URLs, and the URLs don't have to have the http or https protocol -- it could be ftp, chrome, and others. The display of third-party trademarks and trade names on this site does not Quick & dirty ugly chain if you don't want to research regex: hostName is based on a quick reading of the spec and should cope with usernames and ports. Why does the capacitance value of an MLCC (capacitor) increase after heating? I'm a full stack web developer with experience in AWS, TypeScript and React. Want to propose a challenge idea for a future post? check below examples, regex comes out to be 15x faster than the built-in module, If you want to get the subdomain, split the result from one of the matches of above regex with the first occurrence of . I love web development and coding in general. How do map designers subconsciously lead players? How To Make An Object Eligible For Garbage Collection In Java? Note: regex is faster than language built-in modules. Daily Challenge #258 - Ranking Poker Hands, Daily Challenge #262 - No One Likes Spare Change, Daily Challenge #268 - Swapping Characters in Strings, Daily Challenge #271 - Simulate Population Growth, Daily Challenge #274 - Aerial Firefighting, Daily Challenge #276 - Unwanted Dollar Signs, Daily Challenge #278 - Find all non-consecutive numbers, Daily Challenge #279 - Playing with Sandpiles, Daily Challenge #282 - Car License Plate Calculator, Daily Challenge #283 - Simple Missing Sum. Currently I can extract the 'domain' from any URL with the following regex: /^(?:https?:\/\/)?(?:[^@\n]+@)?(?:www\.)?([^:\/\n\?\=]+)/im. Note3: Working all good but the end is a mess haha Have you tried it using a .co.uk TLD? Friendship, Daily Challenge #111 - 99 Bottles of Beer, Daily Challenge #112 - Functions of Integers on the Cartesian Plane, Daily Challenge #113 - Iterative Rotation Cipher, Daily Challenge #115 - Look and Say Sequence, Daily Challenge #116 - Shortest Knight Path, Daily Challenge #118 - Reversing a Process, Daily Challenge #119 - Adding Big Numbers, Daily Challenge #120 - Growth of a Population.

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