extract hostname from url regex

Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. From my answer on a similar question. Otherwise, there are better language-specific solutions than using a regex. Hometoast's suggestion is great, but in my case, I think it wouldn't help (unless I copy paste the same regex in all enumerations). Here's what I ended up using: I like the regex that was published in "Javascript: The Good Parts". There are also live events, courses curated by job role, and more. I know you're claiming language-agnostic on this, but can you tell us what you're using just so we know what regex capabilities you have? What I would do is use something like this: the further parse 'the rest' to be as specific as possible. extract hostname from url regex. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. This works very well. Beware that it doesn't work if the URL doesn't have a path after the domain -- e.g. Is there a single-word adjective for "having exceptionally strong moral principles"? Can I tell police to wait and call a lawyer when served with a search warrant? About an argument in Famine, Affluence and Morality. : \/\/)? For example, you want to extract www.regexcookbook.com from http://www.regexcookbook.com/. REPO_NAME=${`basename $REPO_URL`%. Day, Hour, Min and Second from a specified date Regular expression to extract numbers from a string in Golang . What is the best regular expression to check if a string is a valid URL? For example, you want to extract www.regexcookbook.com from http://www.regexcookbook.com/. Does Counterspell prevent from any further spells being cast on a given turn? Will extract out the .git suffix as well. Above you can find javascript implementation with modified regex. Why do small African island nations perform better than African continental nations, considering democracy and human development? Not the answer you're looking for? It is the element of the window object and a client-side object. What is the best regular expression to check if a string is a valid URL? Mutually exclusive execution using std::atomic? 'g' for global (multiple matches), 'm' for 'multiline mode' which will make the first ^ match at the start of each line. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. However the list need to maintain it since new TLDs is possible. I would recommend not using regex. If it can be done in one, even that works. 4: wsdl=qwerwer&ttt=888. Reads: start of line followed by 1 or more non-period characters. You want to extract the port number from a string that Dive in for free with a 10-day trial of the OReilly learning platformthen explore all the other resources our members count on to build skills and solve problems every day. Very permissive it's not to check url juste divide it. c#<a>,c#,regex,url,extract,C#,Regex,Url,Extract,URL I believe this, though simple, but much slower than RegEx parsing. ]*:// # Scheme ( [a-z0-9\-._~%!$&' ()*+,;=]+@)? Disconnect between goals and daily tasksIs it me, or the industry? I'm using Splunk Enterprise 7.1.2, if that matters. but check out the respective focus for your case. Using Hitcham's awesome answer above allowed me to come up with this, using sed to output exactly what needed: org/reponame with sed. The string to search. (You must be signed in to vote), 0 upvotes, 2 downvotes (0% like it) @anubhava thanks! :txt|pdf) or (? Why is there a voltage on my HDMI and coaxial cables? How can I extract the following parts using regular expressions: The Subdomain (test) The Domain (example.com) The path without the file (/dir/subdir/) The file (file.html) The path with the file (/dir/subdir/file.html) The URL without the path ( http://test.example.com) (add any other that you think would be useful) results in the following subexpression matches: For what it's worth, I found that I had to escape the forward slashes in JavaScript: ^(([^:\/?#]+):)?(\/\/([^\/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))? Why are Suriname, Belize, and Guinea-Bissau classified as "Small Island Developing States"? I've included named backreferences for legibility, and broken each part into separate lines, but it still looks like this: The thing that requires it to be so verbose is that except for the protocol or the port, any of the parts can contain HTML entities, which makes delineation of the fragment quite tricky. +3699123456 Are there tables of wastage rates for different fruit and veg? Submitted by anonymous - 16 hours ago 0 python Match IPv4 with CIDR mask @Paul Beckingham, you wrong, it return array matches. 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! Why do academics stay as adjuncts for years rather than move around? Isn't language agnostic. vegan) just to try it, does this inconvenience the caterers and staff? Your solution does not truncate protocols, which should not be part of a hostname-yielding solution. Get Mark Richardss Software Architecture Patterns ebook to better understand how to design componentsand how they should interact. Get Regular Expressions Cookbook, 2nd Edition now with the OReilly learning platform. Seems like I needed to remove the "host" keyboard from the above. Mod rewrite regexurl regex.htaccess mod-rewrite; Regex regex perl; Regex ' regex; Regex 15 regex The function is often called something similar to. 1: https:// +3611234567 Choosing something from an RFC can surely never bad the wrong thing to do. : www \.)? If you have any questions or concerns, please feel free to send an email. Making statements based on opinion; back them up with references or personal experience. Staging Ground Beta 1 Recap, and Reviewers needed for Beta 2, Get part of a URL after domain using Regex, Getting second last parameter from querystring with PHP. Two problems: I needed a regular Expression to match all urls and made this one: It matches all urls, any protocol, even urls like. How to get the URL of the current page in C#, Regex to check if valid URL that ends in .jpg, .png, or .gif, Extract filename and path from URL in bash script. (? 3: / Follow Up: struct sockaddr storage initialization by network format-string, Trying to understand how to get this basic Fourier Series, Theoretically Correct vs Practical Notation, Calculating probabilities from d6 dice pool (Degenesis rules for botches and triggers). Please help us improve Stack Overflow. The JSON file and images are fetched from buysellads.com or buysellads.net. The information is fetched using a JSONP request, which contains the ad text and a link to the ad image. Published by at May 28, 2022. Here the port number 4040 occurs after the : sign. To find the utter URL information, we will use the URL() constructor. How do you use a variable in a regular expression? What am I doing wrong here in the PlotLegends specification? 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? Can airtags be tracked from an iMac desktop, with no iPhone? Did this satellite streak past the Hubble Space Telescope so close that it was out of focus? Now, let's see the examples: Example 1: In this Example, we will be extracting the protocol and the hostname from the given URL. 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. The regular expression, written by Berners-Lee, et al., is: The numbers in the second line above are only to assist readability; Extracting the Port from a URL Problem You want to extract the port number from a string that holds a URL. so this is my version slightly modified with the source being the highest voted version here: I build this one. How to tell which packages are held back due to phased updates. and grab the first item from the split array. Mutually exclusive execution using std::atomic? Regex, and extracting the IP + hostname from _internal REGEX pattern to extract the hostname in transforms.conf Get Updates on the Splunk Community! The difference between the phonemes /p/ and /b/ in Japanese. regex/.htaccess/ mod-rewrite/ url-rewriting/ friendly-url. How to match a specific column position till the end of line? (?:www\.)? Are you sure you want to delete this regex? Get full access to Regular Expressions Cookbook, 2nd Edition and 60K+ other titles, with a free 10-day trial of O'Reilly. 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 ([^.]+). String ip, url; int index = line.indexOf(" - - "); ip = line.substring(0, index) this will extract the ip and i need to extract the link which is after GET into two different variable, i extract the ip without using regx but i could not to have the link. Just choose the first group in your match, However, as some already suggested, you probably should just split on a . URL class will open a connection when you create it. RegEx match open tags except XHTML self-contained tags. Example : (? Catch values from Goroutines Simple function with parameters in Golang Regular expression to extract domain from URL Different ways to validate JSON string . There are also live events, courses curated by job role, and more. 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 . You can use standard Unix commands such as sed, awk, grep, Perl, Python and more to get a domain name from a URL. I am VERY rusty with regular expressions and need one to extract a hostname from a fully qualified domain name (FQDN), here's an example of what I have: I tried "(.+)\." If provided, the extracted substring is converted to this type. 3: ? To learn more, see our tips on writing great answers. So for using Regular Expression we have to use re library in Python. URL. 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. 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. How do I call one constructor from another in Java? Should I put my dog down to help the homeless? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. also lack of group names made it unusable in ansible (or perhaps my jinja2 skills are lacking). The capture group to extract. The second put the path in the hostname. This improved version should work as reliably as a parser. You want to extract the host from a string that holds a By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. The result (in JavaScript) looks like this: I was trying to solve this in javascript, which should be handled by: since (in Chrome, at least) it parses to: However, this isn't cross browser (https://developer.mozilla.org/en-US/docs/Web/API/URL), so I cobbled this together to pull the same parts out as above: Credit for this regex goes to https://gist.github.com/rpflorence who posted this jsperf http://jsperf.com/url-parsing (originally found here: https://gist.github.com/jlong/2428561#comment-310066) who came up with the regex this was originally based on. The regex ^(https|git)(:\/\/|@)([^\/:]+)[\/:]([^\/:]+)\/(.+).git$ works for the three types of URL. The regex to do full parsing is quite horrendous. delimited) quite easily. Asker asked for regex. At first, I am using RegEx function but not all URL can be parse the subdomain correctly. Regular expression for extracting protocol group: ' (\w+):// '. ;). I have been looking for a way to extract unusual auth parameters from urls, and this works beautifully. If u want to change the file extension match, just replace : (? This page on github also has the JavaScript code that uses it. 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? A-143, 9th Floor, Sovereign Corporate Tower, We use cookies to ensure you have the best browsing experience on our website. Therefore, as it is a digit (:(\d+)) is used. How to handle a hobby that makes income in US. 2023, OReilly Media, Inc. All trademarks and registered trademarks appearing on oreilly.com are the property of their respective owners. Trying to understand how to get this basic Fourier Series, Minimising the environmental effects of my dyson brain. extract hostname extracts hostname from url Url parser and validator Validate an url with hostname or ip and port. Can airtags be tracked from an iMac desktop, with no iPhone? 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. I have already viewed and tried multiple other threads and doesn't work for me. The first worked! Propose a much more readable solution (in Python, but applies to any regex): subdomain and domain are difficult because the subdomain can have several parts, as can the top level domain, http://sub1.sub2.domain.co.uk/, (Markdown isn't very friendly to regexes). We refer to the value matched for subexpression Its not too short and not too complex. matches the previous token between zero and one times, as many times as possible, giving back as needed (greedy) http Connect and share knowledge within a single location that is structured and easy to search. The best answer suggested here didn't work for me because my URLs also contain a port. :png|jpg|jpeg) by anything u want. Why are physically impossible and logically impossible concepts considered separate in terms of probability? What about 'aaa.bbb.co.uk' - that would yield 'aaa.bbb.co' which is not right. or #. Get Mark Richardss Software Architecture Patterns ebook to better understand how to design componentsand how they should interact. Doing it in one regex is, well, a bit crazy. and anchors e.g. :mp3|ogg) or (? The regex for an html entity looks like this: When that is extracted (I used a mustache syntax to represent it), it becomes a bit more legible: In JavaScript, of course, you can't use named backreferences, so the regex becomes. Take OReilly with you and learn anywhere, anytime on your phone and tablet. I need the regex solution for it to work and no java code that does it without regex. After a TLD for a URL is defined the left part is domain and the remaining is sub domain. ( [^:\/?\n]+)/ Click To Copy Matches: https://regexpattern.com /post.php?post=145&action=edit Is it possible to rotate a window 90 degrees if it has the same length and width? 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. Example 1: In this Example, we will be extracting the protocol and the hostname from the given URL. If regex finds a match in source: the substring matched against the indicated capture group captureGroup, optionally converted to typeLiteral. Testing out the OpenTelemetry Collector With raw Data This blog post is part of an ongoing series on OpenTelemetry. Can Martian regolith be easily melted with microwaves? full URL including query parameters For an example, you have a raw data text file containing web scrapping data and you have to read some specific data like . and in each match, the protocol is \1, the host is \2, the port is \3, the path \4, the file \5, the querystring \6, and the fragment \7. String s = "https://www.thomas-bayer.com?wsdl=qwerwer&ttt=888"; Regex To Extract Domain Name From URL - Regex Pattern Regex To Extract Domain Name From URL A regular expression to extract a domain name or subdomain (with a protocol like HTTPS, HTTP) from a given URL. Regular expression to extract DNS host-name or IP Address from string . What can a lawyer do if the client wants him to be acquitted of everything despite serious evidence? What is the correct way to screw wall and ceiling drywalls? Connect and share knowledge within a single location that is structured and easy to search. 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). ? tsx PHP serialize / unserialize __sleep __wakeup __serialize __unserialize, Matches scientific references in various forms. they indicate the reference points for each subexpression (i.e., each URL or Uniform Resource Locator consists of many information parts, such as the domain name, path, port number etc. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.

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