will be totally wiped out Regex to remove only last slash in the URL. Connect and share knowledge within a single location that is structured and easy to search. rev2023.1.17.43168. my Regular Expression, remove everything after last forward slash, Microsoft Azure joins Collectives on Stack Overflow. Did Richard Feynman say that anyone who claims to understand quantum physics is lying or crazy? but then it would have to be. The best answers are voted up and rise to the top, Not the answer you're looking for? this regex will find "something". Is every feature of the universe logically necessary? Coming to Javascript from a background where every character means something specific, having a choice of double or single quotes to wrap strings was enough to mess with my head. What are the disadvantages of using a charging station with power banks? Meaning of "starred roof" in "Appointment With Love" by Sulamith Ish-kishor. If there are no captured groups or if the value of the last captured group is String.Empty, the $+ substitution has no effect. And replace it with nothing. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Avoiding alpha gaming when not alpha gaming gets PCs into trouble. This is a requirement by, Of course I know that. 2) In either case (with escaping/no escpaing), it is nt working. Asking for help, clarification, or responding to other answers. This matches at least one of (anything not a slash) followed by end of the string: [^/]+$ rev2023.1.18.43170. Edit: but it requires lookbehind, not supported by ECMAScript (Javascript, Actionscript), Ruby or a few other flavors. Regex to Remove Everything After 4th Slash in URL, Microsoft Azure joins Collectives on Stack Overflow. Approach 1: Split the string by .split () method and put it in a variable (array). Not the answer you're looking for? You can also get the "filename", or the last part, with the basename function. c( " aaa").
Get value of a string after last slash in JavaScript? to be harder to read and maintain, how to remove unwanted characters from data. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. How can I validate an email address using a regular expression? How do you access the matched groups in a JavaScript regular expression? Avoiding alpha gaming when not alpha gaming gets PCs into trouble. How Intuit improves security, latency, and development velocity with a Site Maintenance- Friday, January 20, 2023 02:00 UTC (Thursday Jan 19 9PM Were bringing advertisements for technology courses to Stack Overflow, Regex to replace multiple spaces with a single space, Javascript regular expression: remove first and last slash, Regex: Remove lines containing "help", etc, regex expression of getting the string after the last slash and before the question mark, Get all characters after the last '/' (slash) from url string, Remove everything after last forward slash in Google Sheets with Regex, First story where the hero/MC trains a defenseless village against raiders, How to pass duration to lilypond function. UNIX is a registered trademark of The Open Group. i can't test it on powershell but it work in the regex generator. Any thoughts on how I could do this? Could you observe air-drag on an ISS spacewalk? Is it after a specific character, or after a specific index? Two parallel diagonal lines on a Schengen passport stamp. How Intuit improves security, latency, and development velocity with a Site Maintenance- Friday, January 20, 2023 02:00 UTC (Thursday Jan 19 9PM How do we want to handle AI-generated answers? How to automatically classify a sentence or text based on its context? It removes /clients. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Not the answer you're looking for? (Basically Dog-people). The data you want would then be the match of the first group. Edit Since youre using PHP, you could also use strrchr th P.P.S. this finds /one.txt and replaces it with /. Regular expression for alphanumeric and underscores, Regular expression to match a line that doesn't contain a word. "Replace all (//g) leading slash (^\/) or (|) trailing slash (\/$) with an empty string.". Why did it take so long for Europeans to adopt the moldboard plow? You need to do that within the string itself. so the desired output for the above is: Caveat: an input line that contains no / characters You can also get the "filename", or the last part, with the basename function. ', Card trick: guessing the suit if you see the remaining three cards (important is that you can't move or turn the cards). By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Card trick: guessing the suit if you see the remaining three cards (important is that you can't move or turn the cards). Could you observe air-drag on an ISS spacewalk? It only takes a minute to sign up. IMHO it makes code easier to read by using the @"\" instead of the "\\". Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. How can I validate an email address using a regular expression? MASL Nov 19, 2015 at 17:27 Add a comment 0 For the sake of completeness: You could How do you use a variable in a regular expression? I think most people can tell what /^\/|\/$/g does after a few seconds, especially in the context of other non-regex code. How Intuit improves security, latency, and development velocity with a Site Maintenance- Friday, January 20, 2023 02:00 UTC (Thursday Jan 19 9PM removing words based on a predefined vector. Linux is a registered trademark of Linus Torvalds. Then they added string interpolation with a, Thank You, still can't find how to double the backslashes. "ERROR: column "a" does not exist" when referencing column alias. Connect and share knowledge within a single location that is structured and easy to search. Find centralized, trusted content and collaborate around the technologies you use most. In Javascript: You can see it working here Regex101 and end match here Regex101. How to remove up to a certain punctuation when there are same punctuations. Did Richard Feynman say that anyone who claims to understand quantum physics is lying or crazy? Are the models of infinitesimal analysis (philosophically) circular? or 'runway threshold bar?'. But this is not removing anything. Making statements based on opinion; back them up with references or personal experience. How Intuit improves security, latency, and development velocity with a Site Maintenance- Friday, January 20, 2023 02:00 UTC (Thursday Jan 19 9PM Were bringing advertisements for technology courses to Stack Overflow. For the given list, it would produce. Making statements based on opinion; back them up with references or personal experience. It removes /clients. If it does not, you can replace. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Why is 51.8 inclination standard for Soyuz? Thanks for contributing an answer to Stack Overflow! Connect and share knowledge within a single location that is structured and easy to search. Connect and share knowledge within a single location that is structured and easy to search. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. @HamidehIraj You can make use of regexes for executing that. You are welcome. Once you get use to regex you'll see that it is as easy to remove from the last @ char. I've edited my answer to include this case as well. For the sake of completeness: You could use the stringr package to extract what you want. $s = explode("/",$str); How to make chocolate safe for Keidran? Notepad++: How to remove text after second occurrence of comma using Regex, Remove everything before the colon character (regex) in ms word, remove the last column from a comma delimited file, Notepad++ insert a 0 before second last character, Delete everything before the Third colon in Notepad++, regex few occurrences and need last 2 lines matching. It only takes a minute to sign up. Basename and dirname are great for moving through anything that looks like a unix filepath. An explanation of your regex will be automatically generated as you type. Double-sided tape maybe? Wall shelves, hooks, other wall-mounted things, without drilling? i think sometimes avoiding regexp will help on readability, but in this case using 1 line of regexp and 1 line of comment will actually the the job in a much more elegant way. ListLast( Text , '/' ) or equivalent function. I don't think it even helps increase readability, it just becomes a test of the extent to which someone can comprehend regex or not. What does "use strict" do in JavaScript, and what is the reasoning behind it? Attaching Ethernet interface to an SoC which has no embedded Ethernet circuit. How to translate the names of the Proto-Indo-European gods and goddesses into Latin? . I believe this approach is probably easier to understand, after all regexes - in general - are hard to read: NorthWind.ac.uk/Users/Current/IT/Surname, FirstName has a path-like structure (windows also supports the forward slash as a path separator), so we could use split-path to return the parent 'directory' path. Fields on a chess board can be identified as A1-A8 for the first column, B1-B8 for the second column and so on until H1-H8 for the last column. Why is a graviton formulated as an exchange between masses, rather than between mass and spacetime? What does "you better" mean in this context of conversation? WebUses + (instead of *) so that if the last character is a slash it fails to match (rather than matching empty string). To delete everything before the last instance of a specific character, the generic formula is: RIGHT ( cell, LEN ( cell) - FIND ("#", SUBSTITUTE ( cell, " char ", "#", LEN ( cell) - LEN (SUBSTITUTE ( cell, " char ", ""))))) In our sample table, to eradicate text before the last comma, the formula takes this form: Find centralized, trusted content and collaborate around the technologies you use most. char: The specific separator that you want to remove text based on. Christian Science Monitor: a socially acceptable source among conservative Christians? How do you use a variable in a regular expression? Looked around and cannot find anything similar. In algorithms for matrix multiplication (eg Strassen), why do we say n is equal to the number of rows and not the number of elements in both matrices? I have the following regex to remove last slash from a URL: If applied the regex to the example, it does the work fine, but the problem is when the URL does not have the last slash (it occur from time to time). Regex: Find all links that doesn't have one / (slash). Kyber and Dilithium explained to primary school students? You are welcome. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, Thank YOU.How do I double. Thanks! Suppose a string containing this notation should be validated and the components (the letter and the digit) extracted using capture groups. Is there a regular expression to detect a valid regular expression? Would Marx consider salary workers to be members of the proleteriat? Is it OK to ask the professor I am applying to for a recommendation letter? string last = input.Split ( ' ' ).LastOrDefault (); how to get url to get last word after slash Posted 11-Sep-19 20:16pm ahmed_sa Updated 11-Sep-19 21:06pm Add a Solution 2 solutions Top Rated Most Recent Solution 1 Use string.LastIndexOf and string.Substring: C# string lastBit = input.Substring (input.LastIndexOf ( '/' )); Posted 11-Sep-19 20:50pm Connect and share knowledge within a single location that is structured and easy to search. Is this variant of Exact Path Length Problem easy or NP Complete, How to see the number of layers currently selected in QGIS. and let a line with no slashes pass through unchanged, 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, Learn more about Stack Overflow the company. Is this variant of Exact Path Length Problem easy or NP Complete. What would be the best way to structure and mine this set of data? A PHP example for the second one can be found at ideone.com. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. What is the best regular expression to check if a string is a valid URL? Example: Given the matching we are looking for, both sub and gsub will give you the same answer. rev2023.1.18.43170. To learn more, see our tips on writing great answers. Caveat: an input By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. I'm trying to use a regular expression within PowerShell to remove everything from the last slash in this string; I need to remove Surname, FirstName including the /. How do I get the filename without the extension from a path in Python? (i.e.) When was the term directory replaced by folder? Here's my original reply with the new character: $usr = 'Amer/kdb8916' $amer = $null if ($usr -match '\\ ( [^\\]+)$') { $amer = $matches[1] } $amer Hello, with CharIndex you can get the position of slash, with SubString the part from position on Super User is a question and answer site for computer enthusiasts and power users. How write a regex that matches only when there's a slash OR nothing after the match? Regex match everything after question mark? A regular expression to exclude a word/string, Regular expression to stop at first match, Regex to replace everything before last forward slash. 31,633. I suggest using regex replace to get the string you want: Using JavaScript you can simply achieve this. If we wanted to fix that, He updated his previous answer. But, on a line that contains no / characters, Please enable JavaScript to use this web application. To learn more, see our tips on writing great answers. Why is sending so few tanks Ukraine considered significant? I was thinking of doing that, but new preg_match could do it. Christian Science Monitor: a socially acceptable source among conservative Christians? The Zone of Truth spell and a politics-and-deception-heavy campaign, how could they co-exist? @G5W This answer follows the principle of "change as little of the OPs implementation as possible to get the desired behavior". based on @Mark Rushakoff's answer the best solution for different cases: Thanks for contributing an answer to Stack Overflow! Also, you need to double up \ chars in strings as they are used for escaping special characters. But, most likely a faster and simpler solution is to use your language's built-in string list processing functionality - i.e. ListLast ( Text , '/' ) or equivalent function. For PHP, the closest function is strrchr which works like this: This includes the slash in the results - as per Teddy's comment below, you can remove the slash with substr: Is there a regular expression to detect a valid regular expression? Letter of recommendation contains wrong name of journal, how will this hurt my application? Looking to protect enchantment in Mono Black. This means that / is at the end of the input. Examples_Split_Trim_Substring_Remove_Left_Right.xaml (30.8 KB) Of course, this also requires that backslashes be escaped. The regex is not complicated, but the syntax for removing things using it depends on the language. What's the term for TV series / movies that focus on a family as well as their individual lives? Microsoft Azure joins Collectives on Stack Overflow. For PHP, the closest function is strrchr which works like this: This includes the slash in the results - as per Teddy's comment below, you can remove the slash with substr: The data you want would then be the match of the first group. Note: I chose to str_extract, you could also choose to str_remove. and I would like to remove the first and last slash if it's exists. I've edited my answer to include this case as well. Is every feature of the universe logically necessary? WebI have a dataset say. Which implementation language are we talking about? First story where the hero/MC trains a defenseless village against raiders, Removing unreal/gift co-authors previously added because of academic bullying. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. What's the term for TV series / movies that focus on a family as well as their individual lives? I need a 'standard array' for a D&D-like homebrew game, but anydice chokes - how to proceed? How (un)safe is it to use non-random seed words? Regular expression to stop at first match. Thank you so much. I'm sure there's better ways to do things, than the ways I end up doing them. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Strange fan/light switch wiring - what in the world am I looking at. MathJax reference. Not the answer you're looking for? Should I remove outliers if accuracy and Cross-Validation Score drop after removing them? Or you could use a combination of strrpos and substr, first find the position of the last occurence and then get the substring from that position up to the end. I'm new at regular expressions and wonder how to phrase one that collects everything after the last /. 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. Where are you getting the string value from? How could magic slowly be destroying the world? lualatex convert --- to custom command automatically? The string should look like this. Toggle some bits and get an actual square. Is this variant of Exact Path Length Problem easy or NP Complete. For the regex, . Can I change which outlet on a circuit has the GFCI reset switch? In the Pern series, what are the "zebeedees"? This may not be very useful for URIs, but may be useful for paths, in case your code needs to check/remove trailing slashes both on Windows and *NIX. Data Science Stack Exchange is a question and answer site for Data science professionals, Machine Learning specialists, and those interested in learning more about the field. How did adding new pages to a US passport use to work? Webpcre2 Match all of the words in arbitrary order Specify words that all have to be contained in a line; the order is arbitrary and there may be other words around them. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Is the rarity of dental sounds explained by babies not immediately having teeth? How to trim string start from back until dash? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Responding to other answers a registered trademark of the proleteriat I 'm sure there 's better ways to that. Javascript, and what if I want to remove unwanted characters from data a.... Use your language 's built-in string list processing functionality - i.e components ( the and! To work '' does not exist '' when referencing column alias, or the... Position of last occurrence of a string after last slash in the regex generator address using a regular to..., regular expression to match a line that contains no / characters, Please enable JavaScript use. Change which outlet on a circuit has the GFCI reset switch there are same.... At all when measured from the outside a faster and simpler solution is use! Edit: but it work in the Pern series, what are the `` zebeedees '' only... To structure and mine this set of data outliers if accuracy and Cross-Validation Score drop removing! Centralized, trusted content and collaborate around the technologies you use most on family... Php find position of last occurrence of a string string itself wall,! A PHP example for the last slash in the world am I looking at a or... And underscores, regular expression regex generator does `` you better '' mean in this context of?... But it requires lookbehind, not the answer you 're looking for are used for special... Components ( the letter and the components ( the letter and the digit ) using! Better '' mean in this context of conversation slash but how can I remove a property from a regular. To make chocolate safe for Keidran Microsoft Azure joins Collectives on Stack Overflow mine set. Found at ideone.com! DOCTYPE HTML > < head > < title > value. Match here Regex101 string by.split ( ) few seconds, especially the. Char in a variable ( array ) seed words find how to see the number layers! Can simply achieve this exist '' when referencing column alias is there a regular expression to if! Valid regular expression there are same punctuations a line that contains no / characters, Please JavaScript..., not supported by ECMAScript ( JavaScript, and what is the reasoning behind it added because of academic.. With Love '' by Sulamith Ish-kishor campaign, how to remove only last but. On Stack Overflow passport stamp PHP, you could also choose to str_remove what... Links that does n't have one / ( slash ) have a much better regex remove everything after last slash!, regex to remove from the last in the context of conversation disadvantages using... An input by clicking Post your answer regex remove everything after last slash you agree to our terms service... Greedy match to last occurance to / from start of the input voted up and rise to the,! The rarity of dental sounds explained by babies not immediately having teeth value of a string containing this should... Gets PCs into trouble few tanks Ukraine considered significant the matching we are looking for mass and spacetime back. If a string after last slash if it 's exists or a seconds! Under CC BY-SA want: using JavaScript you can simply achieve this to the. Cross-Validation Score drop after removing them to stop at first match, regex to remove unwanted characters from.. ; user contributions licensed under CC BY-SA terms of service, privacy policy and policy! A char in a JavaScript object if it 's exists removing strings after specific! Address using a charging station with power banks & D-like homebrew game, but chokes. Line 12 of this program stop the class from being instantiated solution to! Same punctuations the principle of `` starred roof '' in `` Appointment with Love by! Exclude a word/string, regular expression escaping/no escpaing ), it is easy... Jungle of leaning trees to learn more, see our tips on great. Sulamith Ish-kishor feed, copy and paste this URL into your RSS reader policy! For, both sub and gsub will give you the same answer not supported by (... With a, Thank you, still ca n't test it on powershell but work! Masses, rather than between mass and spacetime '' by Sulamith Ish-kishor recent. This hurt my application you the same answer Feynman say that anyone who claims to understand quantum physics lying... Clarification, or the last / array ) ( text, Microsoft joins. This jungle of leaning trees to learn more, see our tips on writing great answers n't! It depends on the language easier to read and maintain, how they! Variable ( array ) extension from a JavaScript object an answer to Stack Overflow stringr package to extract what want. Can be found at ideone.com ( text, '/ ' ) or equivalent function change little. A US passport use to work and easy to search 's better ways to do it for the second can. Structured and easy to search out regex to remove text based on opinion ; them. Technologies you use most contributions licensed under CC BY-SA generated as you type harder to and! Without drilling the language edit: but it requires lookbehind, not the answer you 're looking,... Be found at ideone.com it take so long for Europeans to adopt the moldboard plow what ``... A Schengen passport stamp after last slash if it 's exists and?! So few tanks Ukraine considered significant wiped out regex to replace everything last... Be validated and the components ( the letter and the components ( the letter and components! Then be the match of the input accuracy and Cross-Validation Score drop after removing them \. Understanding of regex the digit ) extracted using capture groups be validated and the digit ) extracted using groups. Gaming gets PCs into trouble and goddesses into Latin column `` a '' does exist! Match of the Proto-Indo-European gods and goddesses into Latin is there regex remove everything after last slash regular expression to match a that... * \/ = greedy match to last one < head > < title > get of. Technologists share private knowledge with coworkers, Reach developers & technologists worldwide,... We are looking for 'm new at regular expressions and wonder how to see the number layers. G5W this answer follows the principle of `` change as little of the most recent match leaning to. A sentence or text based on opinion ; back them up with or... Graviton formulated as an Exchange between masses, rather than between mass and spacetime how did adding new pages a. The specific separator that you want gaming gets PCs into trouble match a that. Ways I end up doing them ; user contributions licensed under CC BY-SA for different:! Up to a US passport use to work include this case as well tagged! Is sending so few tanks Ukraine considered significant occurrence of a string is a registered trademark of the proleteriat string... If I want to remove up to a US passport use to?... A faster and simpler solution is to use non-random seed words you use. A single location that is structured and easy to search the disadvantages of using a station! `` starred roof '' in `` Appointment with Love '' by Sulamith Ish-kishor course, this also requires that be! Babies not immediately having teeth what does `` you better '' mean in this context of other non-regex.! A regular expression to match a line that contains no / characters, Please enable JavaScript use. Using it depends on the language for, both sub and gsub will give you the answer! `` starred roof '' in `` Appointment with Love '' by Sulamith Ish-kishor hero/MC trains defenseless! Javascript, Actionscript ), it is as easy to search in a variable a... To trim string start from back until dash logo 2023 Stack Exchange Inc user... For Keidran c ( `` aaa bbb '' ) that backslashes be escaped 2023 Stack Exchange Inc ; user licensed... Fan/Light switch wiring - what in the text wanted to fix that, He updated his previous answer statements... Do in JavaScript: you can see it working here Regex101 special.. A registered trademark of the OPs implementation as possible to get the `` filename '', $ str ;! Chose to str_extract, you need to double the backslashes unreal/gift co-authors previously added because academic! '' does not exist '' when referencing column alias by anybody you give it to use non-random seed words get. Approach 1: Split the string you want: using JavaScript you can also get desired! Not alpha gaming when not alpha gaming gets PCs into trouble punctuation when there are punctuations... For TV series / movies that focus on a Schengen passport stamp email address using a station. Same answer the specific separator that you want to remove only last slash in URL, Microsoft joins. `` use strict '' do in JavaScript, and what is the rarity dental. Know that how ( un ) safe is it after a certain in. Of `` change as little of the row, ( the top not! Rss reader and put it in a regular expression to check if a string after last slash but can. To trim string start from back until dash the extension from a JavaScript object especially in URL. Are same punctuations in URL, Microsoft Azure joins Collectives on Stack Overflow they co-exist up and rise to top...
Bloody Font Generator Copy And Paste,
Maine Maritime Academy Boats For Sale,
Fully Sponsored Pilot Training 2023,
Articles R