Regex to parse url. Query method and then use HttpUtility.

Regex to parse url "can What is the URL parsing with regex (optional tracking codes and hashes) 2 Parse HTTP URL using regex 0 Using RegEx to extract a string in a URL 0 Regex part of URL string Hot Network Questions What do I need to use the Transform Gizmo in Geometry Is partial There's no "validate" method because almost anything is a valid URL. split multiple urls using urlparse in python. manojlds. String ID1 = getYoutubeID1(url); regex 1 String ID2 = getYoutubeID2(url); regex 2 String ID3 = getYoutubeID3(url); regex 3 then, using an if/switch statement to choose a value that isn't null and is valid. 300k 65 65 gold badges 479 479 silver badges 425 425 bronze badges. Matching background-image URLs with regular expressions. Ask Question Asked 12 years, 8 months ago. ]|[a-z0-9. dailymotion. )? If you add the dot to the character class [^\s. SO 80 SO 80. The application is intended to be cross-platform. Keep it in mind: you can use regex but probably there is a better way to solve this problem (maybe using regex, maybe not). Is it somewhere obvious I'm not I need to create a regex that identify a string if that is a url with my criteria but i got stuck in identifying the domain name the criteria for domain name is only [a-z][0-9], . google. You can omit the outer capturing group if you want @Vishal it could be because you don’t think that the slashes in my regex are part of the regex. Regular expression to extract URL from an HTML link. *)& There might be problems with this regex as it will only match if there is a Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand OverflowAI GenAI features for Teams OverflowAPI Train & fine-tune LLMs Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand OverflowAI GenAI features for Teams OverflowAPI Train & fine-tune LLMs There are a few things to note in the pattern. parse in Python 3. do you try and use regex or something like it to handle the different formats while parsing. 0 and newer) to check if they are valid URLs. This code creates an array with original URL and absolute URL. The first one would parse the artist and title information. These findings are in Chrome and IE11. For example, the following code extracts all links from an HTML document: I have two regex, one without capturing and one with capturing. *) subpattern consumes the entire string, which then causes the negative lookahead to succeed. Regular Expression for image url. co. There are some punctuation rules for splitting it up. In regards to: Find Hyperlinks in Text using Python (twitter related) How can I extract just the url so I can put it into a list/array? Edit Let me clarify, I don't want to parse the URL into pi The best answer is Don't use a regex. The can someone help me construct an preg_match pattern to match this data? I have data like this ftp://username:password@server <br> ftp://username:password@server <br> ftp://username: you dont need preg_match. I can't get the negative look ahead to work properly nor am I able to get an excluded string (or negation) working either. Do you normalize before parsing (using a standard function) or 2. parse import sys import posixpath import ntpath import json def path_parse( path_string, *, normalize = True, module = posixpath ): result = [] if normalize: tmp = module. else structure to determine which form the url is in and then use a smaller more specific regular expression to pull out each video ID. Improve this answer The length of any base64 encoded string must be a multiple of 4, hence the additional. In the context of URL’s, they Example: Regular Expressions for Parsing URIs and URLs OK, we're finally here. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Visit the blog I've looked all over and I've seen many ways to parse the video ID off a URL for youtube, however, none of them have matched all the various formats the YouTube url could be in. As a result, I improved the regular expression given on this page specifically for C# and which fits any data URI scheme (to check the scheme, you can take it from here or here. exe (0x113C) 0x3D50 SharePoint Foundation monitored scope (Request (GET No, the negative lookahead does no such thing. In this particular case (key word particular) you just have to substring till the indexOf "&mycracker" I've delved into Regular Expressions for one of the first times in order to a parse a url. Using RegEx to extract a string in a URL. For example, it should output true for http://artifical-tech. uk). You can use RegEx to match the <a> tags that contain links and scrape the URLs and link text. net, . It also provides examples of how the regular expression for matching URLs can be used in different programming languages such as JavaScript, Python, and Java. I've found this useful Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand OverflowAI GenAI features for Teams OverflowAPI Train & fine-tune LLMs Regex for URL parsing ChhayaV Communicator 06-27-2013 02:46 AM Hi, I want to extract url's from the events as a seperate field. Content of the text field is html body. If you want to check if a URL is well-formed, it should be sufficient for your needs. 4. Now I wonder, did I miss something? Did I make a mistake or could I have written it cleaner? That's why I'm here. I was looking at this comment by Dour High Arch, where he says: "I recommend you do not use regexes at all; use separate code paths for URLs, using the Uri class, and file paths, using the FileInfo class. This is similar to parsing XHTML using regex (as described I have found many examples of how to match particular types of URL-s in PHP and other languages. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Visit the blog Use the url package to parse the URL. com, etc. python, regex to find anchor link html. This is described as, for an example of a non The post Getting parts of a URL (Regex) discusses parsing a URL to identify its various components. 8. Using parse works, if there are more characters after the url Id like ">" or blank space, however if the Text field ends with the url id, it doesn't work. I don't think that using regular expressions is a smart thing to do in this case. But I use and teach how to use Regex to do general parsing. Admittedly, if you were starting with It's fairly well know that HTML is not a regular language and hence cannot be parsed by regular expressions — so you will probably need to use a module like beautifulsoup. URL object with a URL like nio://localhost:61616 the constructor crashes, I've implemented something like this: def parseURL(spec: String): (String I'm aware of the libraries available for parsing URL. Unfortunately, it seems that filter_var('example. How can I write a Regular Expression in javascript to trim the string to only the characters after Parse URL with a regex in Python 0 Want to get part of string using regular expression 4 Extract a part of URL - python 1 Extracting substring from URL using regex 2 Use regex to extract url 2 How to exctract a part of a url in this case? 0 Parse out part of URL 0 The length of any base64 encoded string must be a multiple of 4, hence the additional. Absent any punctuation, you still have a valid URL. Another is that you can use the Uri. Hot Network Questions Is outer space Radioactive? Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Visit the blog Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I need to parse a URL to get the protocol, host, path, and query in an application I am writing in C++. C# regex pattern to extract urls from given string - not full html urls but bare links as well. Then just split on period. The solution was this: Get a list of every ccTLD and gTLD available. com. NET, Rust. See e. – Andre Calil You don't want to do that. You can simply loop through the result and preload the Updated 2019 This is an old question, and the challenge here is a lot more complicated as we start adding new vanity TLDs and more ccTLD second level domains (e. But how would one go about checking if a sentence contains a URL within it, and then extract that URL. See here for a solution that checks against proper length: RegEx to parse or validate Base64 data A quick explanation of the regex from the linked answer: NOTE: Regex method is unsafe in most use cases since it does not properly parse the URL into components, then decode each component separately. Extract URL from a list of url in perl. Web. If you need to check if it's actually valid, you'll eventually have to try to access In your regex, the (. In . ]+[^#?\s]+)(. This way you can preload easily. So much so, that a regular expression is almost guaranteed to return false In the OP's case unfortunately not. I've seen some h You can search for "words" containing : and then pass them to urlparse (renamed to urllib. I need to capture the entire url up to the start of the query parameter or a digit preceded by a forward slash – As per the PHP manual - parse_url should not be used to validate a URL. Extract URL's inclusive with fragments in string using Python with Regex. So, while writing the patterns for the URL, you I know you say you have to use regex, but if possible i would really give this open source project a chance: HtmlAgilityPack It is really easy to use, I just discovered it and it helped me out a lot, since I was doing some heavier html parsing. I have several urls. Pros predictable behaviour (no cross browser issues) doesn't need the DOM it's really short. How to extract only parameter value from URL using ONLY Regular Expressions. Modified 2 years, 7 months ago. There is a bit more information on Regex Guru, but even those look very fragile. Follow edited Aug 7, 2011 at 7:24. Query method and then use HttpUtility. URI class as with your answer. Remember that lookahead and lookbehind assertions are applied between characters, In this case, between the question mark (if its actually there), and the first digit. You have to escape the dot to match it literally in this part (?:w{1,3}\. The list from Mozilla looks great at first sight, but lacks ac. Among other things, URLs can have unicode characters in them. Your first stop should be IANA. By the end of this tutorial, you’ll have a solid understanding of how to use regex to validate and parse URLs effectively. – Jonathan Hall. php; regex; url; Share. Python: regex to parse URL components. I want to parse a certain number, so that I can save it to a variable like: if number ==15 : category ='tree' elif number ==20: category ='flower' elif number ==3: You can use regex to search your pattern, and then use a The regular expression patterns for matching a URL depend on your specific need – since URLs can be in various forms. I once had to write such a regex for a company I worked for. I want to parse a certain number, so that I can save it to a variable like: if number ==15 : category ='tree' elif number ==20: category ='flower' elif number ==3: You can use a regular expression as well, but urlparse is needed still. How do I return the subdomain from a URL using a regular expression? 42. text. From this question I want to give the posted solution a try. Cons The regexp is a bit difficult to read-function getLocation(href) { var match = href. I got the following scenario: I get an affiliate network URL and need to append an appropriate URL parameter for tracking purposes (subID). Stack Overflow. The OP asked for a regex solution; to wit I provided. http: )) – jave. I need to match any URL from my C# application. This code in the RegEx parser uses a regular expression pattern to match all <p> tags in the HTML document and extracts the text within each tag using a non-greedy quantifier. You can't do this perfectly with a regular expression. uri or xml link is not available, just as when a limited . When I type "www. web Commented Apr 19, 2017 at 16:17 The length of any base64 encoded string must be a multiple of 4, hence the additional. For example, if you're using PHP, then use PHP's parse_url() function. i tried many of the regular expression i got after googling but it fails in one or the other case . You can use explode. com/dir/1/2/search. Updated on 2024/08, 2021/06, and 2020/11! Note: This isn't meant to be RFC compliant; NOT meant for validation! Can there be a generic regex which can parse all kind of urls. The most correct version is ten-thousand characters long. – parse_url allows to split an URL in different parts (scheme, host, path, query, etc); here we use it to get only the query (test=123&random=abc). com and then I need to parse URLs that might contain protocols different than http or https and since if try to create a java. uk for yes i'm writing it in c++ which has a regex engine in the standard library which uses ECMA (javascript) syntax by default. ParseQueryString to parse the query string as a NameValueCollection, which might be your preferred route. It fetches all Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand OverflowAI GenAI features for Teams OverflowAPI Train & fine-tune LLMs how can i parse an url in c++ with boost regex like i have an url http://www. Hot Network Questions Altough @Amarsh is right, OP asked for URL, not a generic path, but URL (which I believe is required to have scheme (e. In my experience it's better to normalize since the regex solutions are easy to get wrong + I am working on some tutorials to explain things like GET/POST's and need to parse the URI manually. com and false for http://artificial-tech . Combining the two you could do this: I googled this problem for quite a while, then it occurred to me that there is an Android method, android. See here for a solution that checks against proper length: RegEx to parse or validate Base64 data A quick explanation of the regex from the linked answer: I'm trying to build my own URL route matching engine, trying to match routes using regular expressions. ParseQueryString to extract a NameValueCollection containing each parameter and its value. , html) and then use the appropriate tools to extract link labels and addresses. . Fact, that the highest pointed answer is the same as in the linked question is irrelevant here, because it does not answer the question. I'm trying to combine if else inside my regular expression, basically if some patterns exists in the string, capture one pattern, if not, capture another. A single regex to parse and breakup a full URL including query parameters and anchors e. But I really like that your regex includes the . It will either be consumed by the regex or not. For normal URLs where the hash is after the query and the parameters are in the query string, it would look like this. util. Regex CSS full path. NET will treat them as if they were one group. What do u mean by you want to parse a jdbc url. jpg ending, that will simplify my code a bit. I have HTML code from which I want to parse values for hyperlinks, and I wish to use regular expressions. Can you give an example – Ank. uk, . nz type of domains. Query method to get the query string and then parse by the &s. But I would like to be able to parse the entire pages html instead of parsing an array of anchors from the page Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/. There are times such as when system. Web; // For Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Use Regex to parse out some part of URL using python. Replace css background url. Parse HTTP URL using regex. Without going into too much depth, I basically want friendly urls and I'm saving each permalink in the database, but because of differences in languages and pages I only want to 3 answers: short URL parsing (shell+bash) and full TLD extractor Two remarks: Question stand for regex, but the goal there is to split string on / character!!XY problem, using regex for this kind of job is overkill! Most answers here (if not all) present solutions based on forks to other binaries, but this very simple task could be done efficiently under posix shell, without Use Regex to parse out some part of URL using python 1 Extracting a URL from a string in Python 1 How to extract certain pattern from a url using regex in Python? Hot Network Questions What is the best way to prevent this ground rod from being a trip I know that with urllib you can parse a string and check if it's a valid URL. Not to mention any time 'src="' appears in plain text! If you know in advance the exact format of the HTML you The rest of the question is critical as it explains my approach to split up a url into its respective parts via named captures. Using that information and the regular expression from the comment (<Fixed URL>(. match Why don't you just map a split array? You don't quite need to regex the URL, but you will have to run an if statement inside the loop to remove specific GET params from them. function replaceNumber(url, newNumber){ // regex to find (and replace) the numbers at the end. Share. One is that you can simply use the Uri. ]* you don't have to make it a non greedy quantifier. ][a Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/. Linkify, that utilizes some pretty robust regexes to accomplish this. It is impossible to match all of the possibilities and even if you did, there is I am looking to create two regular expression. 1. Although I understand the need to find Do you normalize before parsing (using a standard function) or 2. regular expression parse url parameter. 0. Normally you cannot decode the whole URL into one string and then parse safely because some encoded characters might confuse the Regex later. In order to write the regex, I took this paper as a reference (together with some Wikipedia articles about URIs/URLs). For example, let's consider the scenario where a server application allows to set custom parameterized routes and then execute a function when the route it's being invoked by an HTTP request. Check the RFC carefully and see if you can construct an "invalid" URL. Regex to match Image Url. Commented Mar 13, 2018 at 13:17. Regular expression for matching css urls. It is a zero width assertion applied immediately preceding the first digit - it does not verify that the character before the first digit is a question mark. The formats of the URL are different. If regex101 uses slash to delimit the regex (like JavaScript) then you’ll have to escape the slashes - see link in my answer showing both escaping and that the regex C#: What is a good Regex to parse hyperlinks and their description? Please consider case insensitivity, white-space and use of single quotes (instead of double quotes) around the HREF tag. Perl regex substitution for Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I asked a similar question recently about using regex to retrieve a URL or folder path from a string. I am new to programming and Powershell, I've put together the following script; it parses through all the emails in a specified folder and extract the URLs from them. *)?(#[\w\-]+)?$ Here's John Gruber's regex to check for what looks like an URL, which appears to work quite well in your case: (?i)\b((?:[a-z][\w-]+:(?:\/{1,3}|[a-z0-9%])|www\d{0,3}[. Basically it boils down to this: 1. normpath( path_string ) else Parsing URL with regex Ask Question Asked 9 years, 9 months ago Modified 9 years, 9 months ago Viewed 1k times -1 I'm trying to combine if else inside my regular expression, basically if some patterns exists in the string, capture one The string is: ' Use Regex to parse out some part of URL using python 1 Extracting a URL from a string in Python 2 Extract information part f URL in python 1 How to extract certain pattern from a url using regex in Python? Hot Network Questions Can we have an autoresponder for "Don't use regex to parse [X]HTML"? Problem is that my pattern will also include the 'border="0" part of the img tag. 2025 Note: patterns updated up for a write-up article on my site (Added in case anyone wants to learn more about my techniques for building & testing a 100+ char regex. C# Regex for URL's. This is a bit more code because it does more. Parse it into a structured format (e. com/video/x44lvd video id: "x44lvd" i think i need regex I'm working with a Google API that returns IDs in the below format, which I've saved as a string. I'm surprised I can't find anything that does this in the boost or POCO libraries. 3. You can use regex. The script uses a regex pattern to identify the URLs and then extracts them to a text file. Commented Jun 11, 2021 at 18:34 If you're to encounter any such urls, use a proper parser instead. parse import sys import posixpath import ntpath import json def path_parse( path_string, *, normalize = True, module Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Broken out in to a function ():// Call this to replace the last digits with a new number within a url. Regular expression for parsing URL from HTML code. There are several ways you can do this. Viewed 520 times 0 . You can use an HTML parser such as the HTML Agility Pack to parse the HTML and query it using XPath syntax. com', FILTER_VALIDATE_URL) does not perform any better. It basically lets you use I'd like a python script to read the file, parse each URL and extract the username:password in a new text file. The following method may be copied into the code behind file of your aspx page. @macek I use, and advise one to use the System. Having both in one expression will make it eager (slow processing) and much harder to understand and maintain. Can someone help? Regular expression for parsing URL from HTML code. I need to capture the entire url up to the start of the query parameter or a digit preceded by a forward slash Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand OverflowAI GenAI features for Teams OverflowAPI Train & fine-tune LLMs Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand OverflowAI GenAI features for Teams OverflowAPI Train & fine-tune LLMs javascript regex to parse urls without protocol 1 Javascript regular expression for URL 0 Split protocol name from URL 2 RegExp for matching protocol relative URL at beginning of string 0 JavaScript RegExp Custom URL validation with ${protocol} 0 1 2 Creating a url regex to parse domain name 1 Stuck in regex to detect URL for particular domain in c# 1 Regex to extract domain from a url 1 How to Extract Domain name from string with Regex in C#? Hot Network Questions path doesn't go through a I encountered two issues related to the foregoing, when extracting text delimited by \ and /, and found a solution that fits both, other than using new RegExp, which requires \\\\ at the start. Modified 5 years, I'm sure this can be done in combination with regex, but I am also wondering if this can be done just using built in PowerShell functionality. – Here's my idea, Match anything that isn't a dot, three times, from the end of the line using the $ anchor. – UPDATE: Due to the number of views this question continues to recieve, I've decided to post the simple regex that I've been using in a C# application for 3 years now, with hundreds of thousands of transactions. Example: 1) http:/ /impde Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand OverflowAI GenAI features for Teams OverflowAPI Train & fine-tune LLMs Is the string you need to parse in the form you supplied, or is it an actual URL with parameters? If it's a URL, you can use System. I need to use a RegEx to check if the string contains a character within that group but exclude the URL encoded quote (%22). Regex matches on Url String. See here for a solution that checks against proper length: RegEx to parse or validate Base64 data A quick explanation of the regex from the linked answer: ^@ #match "@" at Sample Code: #!/usr/bin/env python3 import urllib. Perl regex substitution for a URL. This way allows you to choose exactly the relevant parts to parse for the URL Sample Code: #!/usr/bin/env python3 import urllib. I need a regular expression. I faced also with the need to parse the data URI scheme. NET, a single regex can have multiple named capturing groups with the same name, and . Regular expressions are powerful tools for pattern matching and When you want to identify and remove spammy links from a website, you can use this regular expression to extract URLs from the page's HTML code and check if these URLs match patterns associated with spam. Correctly parsing HTML is a very complex problem, and regular expressions are not a good tool for that. Net client profile (as found in Silverlight). The expression in the accepted answer misses many cases. A regular expression to extract the filename or domain name from a given URL (after the /, before the Our regular expression should return true if is a valid URL and false otherwise. Use Regex to parse out some part of URL using python. Improve this answer. HttpUtility. ). 207 4 4 How can I parse a JDBC URL (oracle or sqlserver) to get the hostname, port, and database name. Parsing CSS background attribute. I would recommend you to work with 2 regex's: one for internet URLs, one for file system path. spliting urls and geting new ones. 41. asked Aug 7, 2011 at 7:22. Although you should preferably go for URL related classes for parsing a URL as explained in another answer, as builtin functions are proven and well tested for handling even the corner cases, but as you mentioned you have some limitation and can only use a regex solution, you can try with following solution. Follow edited Jun 11, 2021 It is not a duplicate since, OP is clearly asking for a regular expression for extracting domain name from the url, not for an "elegant way for parsing url". " it shows me false. Regex URL parsing. or -must be [a-z] min length 1 char and the A more generic function that will fetch all parameters in the URL would look like this. You may be interested in this blog post. and - first char must be [a-z] before and after . Ensure there is a Label named lblOutput on your aspx Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand I don't quite follow you Are you after to match only URL's ending in /thanks?? Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand OverflowAI GenAI features for Teams OverflowAPI Train & fine-tune LLMs You did not say which regex flavor you are using. Url Id is not fixed length. I understand this approach in script languages or in . See the example below: using System. My question is: How to get the parameter value of a given URL using JavaScript You could also use parse_url, get the path, split on / and take the last part and get the values starting with !3d or !4d in capturing group 1 and 2. Regex part of URL string. Both the last and second last matches will only match 2-3 characters, so that it doesn't confuse it with a second-level domain name. Regular expression with URL Encoded Strings. Sandhurst Sandhurst. Regex to match URL / URI except when contained in an img tag. in/search?h=test&q=examaple i need to split the base url www. 09 w3wp. An example of a use case is checking if an Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/. RFC 3986 (the link leads to a regexp to parse URLs) has its reasons to enforce either a scheme or the `\` part. Skip to main content. 6. Hot Network Questions Goal: Extract & Parse all URIs found in an input string. This should be very simple (when you know the answer). my idea is to write one which checks the presense of http or https at the begening and it will match everything untill it sees a blank space . I have strings that contain URL encoding (%22) and other characters [!@#$%^&*]. au or . Finally, it lists some use cases where the The only tweak was to my regex, needed to change the final + to * to also capture the ones that do NOT have values, all is good, thank you! – Sam Carleton. The rules are very I have several urls. The last match from the end of the string should be optional to allow for . Can you provide some examples of why it is hard to parse XML and HTML with a regex? And here for a good solution: Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand OverflowAI GenAI features for Teams OverflowAPI Train & fine-tune LLMs Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand When I type "google. I'm trying to split a URL into an object. A regular expression to match a markdown-style URL link with or without title text. Thanks a lot for that. The scenario which I'm facing is, I can't go on Your regex takes care of most of the URL types that we are going to encounter. The regex output should be: Artist - Title Artist - Title Artist - Title (Additional Title) Artist - Title - Additional Title The second regex should parse the same information but capture the artist and title in separate groups. Follow answered Sep 13, 2019 at 21:07. – sunilkumarba Commented Parsing URL Query Parameters using regex Hot Network Questions Is the damage from Fire's Burn and Frost's Chill, Goliath traits, included in a Critical Hit? Who can be a primary supervisor for a PhD student? Using "may" vs. 2. I was looking at URI for postgres, which also allows multiple hosts separated by comma. . https://www. Please also consider obtaining hyperlinks which have other tags within Java Regex Parse URL 2 Extracting a string from a URL using a regular expression 1 Regular expression String for URL in JAVA 0 Trying to extract content from url in java 2 Regex Pattern matching for an URL 0 Regular expression not parsing URL properly Java I suggest you do not use regex for parsing BBCode as it's very difficult when you have multiple types of tags which may be used wrongly: [b]bold [u have a solid understanding of how to use regex to validate and parse URLs effectively. g. Make sure to use array Isn't this running that regex for EACH part of the URL you're trying to parse? Adam's method may not have the perfect regex, but it only matches the pattern once. Since your sample URL links to an . aspx file, I'll assume . Regular Expression - Extract subdomain & domain. org. Write a regexp parsing URL 0 Detect protocol optional url in text with Javascript 2 How to ignore characters surrounding a URL in regex 0 Javascript regex for url without http 2 Parse HTTP URL using regex 0 JS regex find replace URL's protocol and from a string So here's a cleaned up version that only focuses on images & converts found images relative paths to absolute. NET. I need to parse a URL to get the protocol, host, path, and query in an application I am writing in C++. html?arg=0-a&arg1=1-b&arg3-c#hash ^((http[s]?|ftp):\/)?\/?([^:\/\s]+)((\/\w+)*\/)([\w\-\. I added explanations for each part of the regular expression. Here is the log file 04/15/2013 17:51:58. You will need to have additional checks outside of your regular expression to catch the edge cases. org, . The url could . Commented Feb 15, 2012 at 2:25. How do I split/parse a URL string into an object? Ask Question Asked 6 years, 1 month ago. Hot Network Questions An idiom similar to 'canary' or 'litmus test' that expresses the trend or direction a thing is pointed I asked a similar question recently about using regex to retrieve a URL or folder path from a string. htaccess but in java we can use the URL class to parte urls and it is easy to test and maintain. The regex you want is here, and after looking at it, you may conclude that you don't really want it after all. You are correct that I am not parsing these URLs in a client/server environment, but am instead reading a list of them from a file. URL parsing with regex (optional tracking codes and hashes) 2. In other languages I have used, the regular expression in question should group each key/value into one grouping with a part 1/part 2, does Perl do the same? If so, how do I put that into a map? Perl - Parse URL to get a GET Parameter Value. – martineau. Perl - Parse URL to get a GET Parameter Value. I recently came to write a regex to parse URLs. See here for a good demonstration of why. net. Using RegEx to parse images in this way is a bad idea. I'm surprised I can't find anything that does . You need a negative lookahead to exclude People|Groups, and then you need to capture the extra word (and the word needs to have some stuff in it, otherwise we want the match to fail). The actual problem: in some cases even one affiliate network supports different query string formats. com" it shows me false. \-]+[. Here is my solution for C#: Use Regex to parse out some part of URL using python 0 split multiple urls using urlparse in python 0 Extract URL's inclusive with fragments in string using Python with Regex 0 spliting urls and geting new ones Hot Network Questions There are several ways you can do this. The code from whole page can be found in the attached html below: May I ask your help in order to build a regular expression to be used on Google Big Query using REGEXP_EXTRACT that will parse the value of an url parameter identified by a specific key? (Posting here because this The rest of the question is critical as it explains my approach to split up a url into its respective parts via named captures. In my experience it's better to normalize since the regex solutions are easy to get wrong + you are replicating existing functionality. Parsing CSS string with RegEx in JavaScript. Extracting Data from anchor tags using regex in python. I am in search of a regular expression for parsing all the urls in a file. In particular, Appendix B. *)&) you will end up with something like this: \/ABC(. Parse out part of URL using regex in Python. Thus Need a way to parse Text field and extract url from it. golang regex to find urls in a string. Regex to get url from HTML. Regular expressions are powerful tools for pattern matching and manipulation. The follow perl code works, but I am trying to do two things: list each key/value be able to look up one specific value What I do NOT care about is replacing the I want to parse Dailymotion video url to get video id in javascript, like below: http://www. – Andy Lester Commented Jan 23, 2013 at 6:07 Are you trying to extract the filename from the URL? Here's a simple function using a regexp that imitates the a tag behavior. Parsing a URI Reference with a Regular Expression demonstrates how to parse a valid regex. imariw lzz jivn gvq tdshh ybhtz qbjpsfr acezt lxj qpvaxgq