What can a lawyer do if the client wants him to be acquitted of everything despite serious evidence? Here is one that is complete, and doesnt rely on any protocol. If u want to change the file extension match, just replace : (? Isn't language agnostic. What is the maximum length of a URL in different browsers? html Please help us improve Stack Overflow. You want to extract the port number from a string that You want to extract the host from a string that holds a :mp3|ogg) or (? View all OReilly videos, Superstream events, and Meet the Expert sessions on your home TV. 0676987654 What is the best regular expression to check if a string is a valid URL? Therefore, as it is a digit (:(\d+)) is used. Trying to understand how to get this basic Fourier Series, Minimising the environmental effects of my dyson brain. What is the purpose of this D-shaped ring at the base of the tongue on my hiking boots? Return: all non-overlapping matches of pattern in string, as a list of strings. For example, you want to extract 80 from http://www.regexcookbook.com:80/. What sort of strategies would a medieval military use against a fantasy giant? ^((http[s]?):\/\/)?([a-zA-Z0-9-.]*)?([\/]?[^?#\n]*)?([?]?[^?#\n]*)?([#]?[^?#\n]*)$. How to handle a hobby that makes income in US. Did any DOS compatibility layers exist for any UNIX-like systems before DOS started to become outmoded? What is the difference between a URI, a URL, and a URN? Regex flavors:.NET, Java 7, PCRE 7, Perl 5.10, Ruby 1.9 I would recommend not using regex. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. and anchors e.g. "URL class will open a connection when you create it" - that's incorrect, only when you call methods like connect(). Thanks for contributing an answer to Server Fault! Get full access to Regular Expressions Cookbook, 2nd Edition and 60K+ other titles, with a free 10-day trial of O'Reilly. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, What programming language are you dealing with? Staging Ground Beta 1 Recap, and Reviewers needed for Beta 2. How do I call one constructor from another in Java? It is pretty simple. ([^:\/\n]+) / igm ^ asserts position at start of a line Non-capturing group (? After a TLD for a URL is defined the left part is domain and the remaining is sub domain. I believe this, though simple, but much slower than RegEx parsing. Regular expression to extract text between square brackets, Regular expression to stop at first match, How to use Regular Expressions (Regex) in Microsoft Excel both in-cell and loops. (You must be signed in to vote), 0 upvotes, 2 downvotes (0% like it) For this use case, java.net.URI is better. Mutually exclusive execution using std::atomic? Linear Algebra - Linear transformation question. Making statements based on opinion; back them up with references or personal experience. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, Do you understand the regexp you quoted? Get the subdomain from a URL. It accepts only most common email addresses and it favors simplicity over exhaustivity, but should work for 99% of the cases. that works :) Could you add this as the answer? This is the best one afaict. Regular expression to extract DNS host-name or IP Address from string . By using our site, you A slight modification to @Hicham's answer, ^(https|git)(:\/\/|@)([^\/:]+)[\/:]([^\/:]+)\/(.+?)(\.git)?$. The nature of simulating nature: A Q&A with IBM Quantum researcher Dr. Jamie We've added a "Necessary cookies only" option to the cookie consent popup. you could then further parse the host ('.' basename is my favorite, but you can also use sed: "sed" will delete all text until the last / + the .git extension (if exists), and will retain the match of group \1 which is everything except dot ([^.]+). (? I'm using Splunk Enterprise 7.1.2, if that matters. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Take OReilly with you and learn anywhere, anytime on your phone and tablet. For example, you want to extract www.regexcookbook.com from http://www.regexcookbook.com/. Works better than some of the others mentioned because they had some bugs (such as not supporting username/password, not supporting single-character filenames, fragment identifiers being broken). Although +1 for hometoast. The string to search. Regular expression for everything before an after forward slash How to extract the hostname value into a separate field using regex? URL class will open a connection when you create it. /^ (?:https?:\/\/)? What is the best regular expression to check if a string is a valid URL? If so, how close was it? What are the differences between a HashMap and a Hashtable in Java? Example 2: If the URL is of a different type such as file://localhost:4040/zip_file, with the port number along with it, then to extract the port number, as it is optional we will use the ? notation. url.scan(/^(http://[^/]+)((?:/[^/]+)+(?=/))?/?(?:[^/]+)?$/i).to_s. Why is there a voltage on my HDMI and coaxial cables? (As in, enough to debug and maintain it). Not the answer you're looking for? Furthermore provides: - the entire url - the protocol - the hostname/ip - the port - the path - the querystring DNS hostname well-formedness validation Validates that a DNS hostname is well-formed only. So all i need is to extract shortname from the directory name, and compare it with input CSV/ADlist I need to regex hostname OR the IP .. format is still hostname-ip or ip-ip .. i just want to throw out dns suffix from the hostname. So: regexp to get the URL path without the file. String s = "https://www.thomas-bayer.com?wsdl=qwerwer&ttt=888"; Example : (? The current moment I know is publicsuffix.org maintain the latest list and you can use domainname-parser tools from google code to parse the public suffix list and get the sub domain, domain and TLD easily by using DomainName object: domainName.SubDomain, domainName.Domain and domainName.TLD. Find centralized, trusted content and collaborate around the technologies you use most. Thanks for contributing an answer to Stack Overflow! The solution MUST work for all types of urls specified above. so this is my version slightly modified with the source being the highest voted version here: I build this one. 2023, OReilly Media, Inc. All trademarks and registered trademarks appearing on oreilly.com are the property of their respective owners. Does Counterspell prevent from any further spells being cast on a given turn? However modifying it to the following regex worked for me: For browser / nodejs environment there is a built in URL class which share the same signature it seems. Asking for help, clarification, or responding to other answers. But it an be adapted for any language. To extract the hostname portion from a URL, we can use the location object that represents information about the current URL. RegEx match open tags except XHTML self-contained tags. and proof that no regexp is perfect, here's one immediate correction: I modified this regex to identify all parts of the URL (improved version) - code in Python, great answer! Categories . The path with the file (/dir/subdir/file.html), (add any other that you think would be useful), match 1 : full protocole with :// (http or https). Why is this sentence from The Great Gatsby grammatical? Old post, but I faced the same problem recently. (You must be signed in to vote), 2 upvotes, 0 downvotes (100% like it) Why is there a voltage on my HDMI and coaxial cables? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Has 90% of ice around Antarctica disappeared in less than a decade? to make it not greedy. Is it possible to rotate a window 90 degrees if it has the same length and width? Explaination (see it in action on regex101): This if far from perfect, as something like https@github.com:some-user/my-repo.git would match, but I think it's fine enough for extraction. Specifically this adresses two problems I have seen with the others: This answer deserves more up-votes because it covers pretty much all the protocols. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Syntax parse_url ( url) Parameters Returns An object of type dynamic that included the URL components: Scheme, Host, Port, Path, Username, Password, Query Parameters, Fragment. There are also live events, courses curated by job role, and more. If you preorder a special airline meal (e.g. What is the correct way to screw wall and ceiling drywalls? results in the following subexpression matches: For what it's worth, I found that I had to escape the forward slashes in JavaScript: ^(([^:\/?#]+):)?(\/\/([^\/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))? https://developer.mozilla.org/en-US/docs/Web/API/URL, for more on parameters also see https://developer.mozilla.org/en-US/docs/Web/API/URL/searchParams, Will provide the following output: How are we doing? You can get all the http/https, host, port, path as well as query by using Uri object in .NET. An explanation of your regex will be automatically generated as you type. Doesn't handle ports. However the list need to maintain it since new TLDs is possible. I need the regex solution for it to work and no java code that does it without regex. What is the correct way to screw wall and ceiling drywalls? The second put the path in the hostname. Why are physically impossible and logically impossible concepts considered separate in terms of probability? This action is non-reversible and will delete all versions of this regex. Published by at May 28, 2022. So for using Regular Expression we have to use re library in Python. See, I'm using an expanded version (play with it on, Extract repository name from GitHub url in bash, How Intuit democratizes AI development across teams through reusability. Do new devs get fired if they can't solve a certain bug? Some of the threads which I have already checked: Get domain name from given url, Extract host name/domain name from URL string, and Java regex to extract domain name? Given ANY GitHub repository url string like: What is the best way in bash to extract the repository name my-repo from any of the following strings? Terms of service Privacy policy Editorial independence. The information is fetched using a JSONP request, which contains the ad text and a link to the ad image. How do I declare and initialize an array in Java? but it matched the string from the right and produced: You are close, you just need to add a ? But it's true that java.net.URL is somewhat heavy. An API call like WinHttpCrackUrl() is less error prone. 0 stands for the entire match, 1 for the value matched by the first ' ('parenthesis')' in the regular expression, and 2 or more for subsequent parentheses. I tried the below regex from the first post: This one works when there is https:// or any scheme but fails when there is no scheme in the URL. What am I doing wrong here in the PlotLegends specification? The advertisements are provided by Carbon, but implemented by regex101.No cookies will be used for tracking and no third party scripts will be loaded. To make it optional as all URLs do not end with host number, this syntax is used (:(\d+))?. regex101: Extract domain from URL Library entries 0 pcre2 Cisco APIC extractions Cisco APIC extractions suitable for using as a field extraction in Splunk Submitted by j.P. Pasnak,CD - 9 hours ago 0 javascript NIT Colombia Nmero de Identificacin Tributaria para Colombia .