regex remove everything after last slash

No regex used. Meaning of "starred roof" in "Appointment With Love" by Sulamith Ish-kishor. LWC Receives error [Cannot read properties of undefined (reading 'Name')]. (in effect, leaving the final / in the input line alone). Where are you getting the string value from? How to translate the names of the Proto-Indo-European gods and goddesses into Latin? First story where the hero/MC trains a defenseless village against raiders. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. But it must be at the end of the line. How dry does a rock/metal vocal have to be during recording? Reference What does this symbol mean in PHP? lualatex convert --- to custom command automatically? A PHP example for the second one can be found at ideone.com. Take a substring of your string starting at the beginning of the string and ending before the index of the last slash in your string: PS> $indexoflastslash = ("NorthWind.ac.uk/Users/Current/IT/Surname, FirstName").lastindexof ('/') PS> "NorthWind.ac.uk/Users/Current/IT/Surname, FirstName".substring (0,$indexoflastslash) Microsoft Azure joins Collectives on Stack Overflow. Asking for help, clarification, or responding to other answers. escaping the slashes that are part of the regular expression To learn more, see our tips on writing great answers. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Examples_Split_Trim_Substring_Remove_Left_Right.xaml (30.8 KB) rev2023.1.18.43170. For the sake of completeness: You could use the stringr package to extract what you want. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Personally, I like Jilbers solution best. I have a list of pathnames like this in a file: I want to delete all characters after the last occurrence of "/", Depending on your input you may also use a more specific regex. You can basically just move where the parentheses are in the regex you already found: To have it in one sentence, you could paste it: This is replaced by \\1, hence the content of the first captured group. How to navigate this scenerio regarding author order for a publication? I don't know r language, but here is a PCRE regex that works for you (at least at regex101), it matches the second last item in the path (i.e. The best answers are voted up and rise to the top, Not the answer you're looking for? Regular Expression, remove everything after last forward slash, Microsoft Azure joins Collectives on Stack Overflow. *) = group of everything that comes after the last occurance of /. Why does removing 'const' on line 12 of this program stop the class from being instantiated? 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. preg_match('([^/]+$)', ". except it matches the last / and all the characters after it, How can I remove a specific item from an array? How could magic slowly be destroying the world? the first answer matches the entire line and replaces it with nothing, *\/ = greedy match to last occurance to / from start of the row, (. Example: rs<-c("copyright check this regex http://regexr.com?2vhll It removes /clients. Thanks for contributing an answer to Data Science Stack Exchange! Why is 51.8 inclination standard for Soyuz? 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. ', Card trick: guessing the suit if you see the remaining three cards (important is that you can't move or turn the cards). Find centralized, trusted content and collaborate around the technologies you use most. 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 can't test it on powershell but it work in the regex generator. Not the answer you're looking for? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. But, on a line that contains no / characters, Why did it take so long for Europeans to adopt the moldboard plow? Christian Science Monitor: a socially acceptable source among conservative Christians? How to remove all vowels from the last word on every line using regex? Is the rarity of dental sounds explained by babies not immediately having teeth? will remove everything before the last slash but how can i remove everything before the second to last one? 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 /. It only takes a minute to sign up. How could magic slowly be destroying the world? "ERROR: column "a" does not exist" when referencing column alias. Print contents of a file only after last occurrence of a token? Is this variant of Exact Path Length Problem easy or NP Complete, How to see the number of layers currently selected in QGIS. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Could you observe air-drag on an ISS spacewalk? we could change the command to. Much faster. How do I create a Java string from the contents of a file? 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. Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. 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. (. This means that / is at the end of the input. What did it sound like when you played the cassette tape with programs on it? Remove the last part $ asdf="xxx/xxxx/xxxxx/yyy" $ echo $ {asdf%/*} xxx/xxxx/xxxxx This is described in man bash: $ {parameter%word} $ {parameter%%word} 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, JS remove everything after the last occurrence of a character. I need a 'standard array' for a D&D-like homebrew game, but anydice chokes - how to proceed? How were Acorn Archimedes used outside education? The best answers are voted up and rise to the top, Not the answer you're looking for? Asking for help, clarification, or responding to other answers. Christian Science Monitor: a socially acceptable source among conservative Christians? On my box I could just pass the full URL. @Sardine: You could try to benchmark it yourself and find out :-) I would consider it highly probable that this is faster than regex. while this one would not find a match, Replace /[^/]*$with an empty string. Connect and share knowledge within a single location that is structured and easy to search. Basename and dirname are great for moving through anything that looks like a unix filepath. So, where the first answer finds one.txt and replaces it with nothing, Edit: but it requires lookbehind, not supported by ECMAScript (Javascript, Actionscript), Ruby or a few other flavors. (i.e.,the entire contents of the line will be deleted, and so would not make a substitution. You need to do that within the string itself. It looks for a '/', followed by zero or more characters other than a '/', followed by the end of the string. 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: Connect and share knowledge within a single location that is structured and easy to search. How to automatically classify a sentence or text based on its context? Notes: No parens because it doesn't need any groups - r How did adding new pages to a US passport use to work? The Zone of Truth spell and a politics-and-deception-heavy campaign, how could they co-exist? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. 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. P.S. +1 for using non-regex solution. Remove everything after last "_" occurance. I'm sure there's better ways to do things, than the ways I end up doing them. i.e. this finds /one.txt and replaces it with /. How to translate the names of the Proto-Indo-European gods and goddesses into Latin? Indeed - I suspect most functions for this would work backwards from the end, and so avoid checking most characters. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. How Intuit improves security, latency, and development velocity with a Site Maintenance- Friday, January 20, 2023 02:00 UTC (Thursday Jan 19 9PM Use of ChatGPT is now banned on Super User. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. If it does not, you can replace. Card trick: guessing the suit if you see the remaining three cards (important is that you can't move or turn the cards). Kyber and Dilithium explained to primary school students? How do I remove a property from a JavaScript object? Do peer-reviewers ignore details in complicated mathematical computations and theorems? First story where the hero/MC trains a defenseless village against raiders, Removing unreal/gift co-authors previously added because of academic bullying. How do I iterate over the words of a string? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Can I (an EU citizen) live in the US if I marry a US citizen? The best answers are voted up and rise to the top, Not the answer you're looking for? Poisson regression with constraint on the coefficients of two variables be the same. An adverb which means "doing without understanding", Poisson regression with constraint on the coefficients of two variables be the same. Making statements based on opinion; back them up with references or personal experience. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Note: I chose to str_extract, you could also choose to str_remove. Also, this answer turns lines with no, @Scott It depends on what you want to use the result for. this regex will find "something". it is working on https://regex101.com/ for all (PCRE (PHP), ECMAScript, (JavaScript), Python, Golang) but it There heaps of different ways to do things in php. Update Since this is regularly proving useful for others, here's a snippet I think most people can tell what /^\/|\/$/g does after a few seconds, especially in the context of other non-regex code. Are the models of infinitesimal analysis (philosophically) circular? Thanks for contributing an answer to Stack Overflow! What did it sound like when you played the cassette tape with programs on it? Asking for help, clarification, or responding to other answers. How write a regex that matches only when there's a slash OR nothing after the match? Suppose a string containing this notation should be validated and the components (the letter and the digit) extracted using capture groups. How to automatically classify a sentence or text based on its context? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, I modified this to remove any number of leading or trailing slashes, by using "+": replace(/^\/+|\/+$/g, ''). Once you get use to regex you'll see that it is as easy to remove from the last @ char. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, Microsoft Azure joins Collectives on Stack Overflow. But, most likely a faster and simpler solution is to use your 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. Why is 51.8 inclination standard for Soyuz? Word of warning - this is not as fast as other snippets here. No parens because it doesn't need any groups - result goes into group 0 (the match itself). 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? By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. 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, Regular Expression for getting everything after last slash. Regular Expression to collect everything after the last /, spreadsheets.google.com/feeds/spreadsheets/. I imagine regex could handle it, but I'm terrible with it. If you're getting it from somewhere else (the URL, for example) then don't worry about it :). Use sed to print from the very first line until the line containing the last occurrence of a pattern? Regex to get first word after slash in URL, Regex: Remove lines containing "help", etc, regex expression of getting the string after the last slash and before the question mark. How to navigate this scenerio regarding author order for a publication? Or explode and array_pop, split the string at the / and get just the last part. How can I change this code, so that the other part of the string after the last slash can be shown? Toggle some bits and get an actual square, Card trick: guessing the suit if you see the remaining three cards (important is that you can't move or turn the cards), Two parallel diagonal lines on a Schengen passport stamp, An adverb which means "doing without understanding", Books in which disembodied brains in blue fluid try to enslave humanity, How to pass duration to lilypond function, "ERROR: column "a" does not exist" when referencing column alias, How to make chocolate safe for Keidran? How do I remove a property from a JavaScript object? This is the same as the first answer, Making statements based on opinion; back them up with references or personal experience. Double-sided tape maybe? Regex to remove only last slash in the URL. Thanks for contributing an answer to Stack Overflow! Microsoft Azure joins Collectives on Stack Overflow. Thanks for contributing an answer to Stack Overflow! To subscribe to this RSS feed, copy and paste this URL into your RSS reader. by preceding them with backslashes (\). Connect and share knowledge within a single location that is structured and easy to search. How dry does a rock/metal vocal have to be during recording? How do you access the matched groups in a JavaScript regular expression? Thanks Gumbo, that help me a lot too. 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. How could magic slowly be destroying the world? Some people find this jungle of leaning trees Attaching Ethernet interface to an SoC which has no embedded Ethernet circuit. What is the best regular expression to check if a string is a valid URL? Find centralized, trusted content and collaborate around the technologies you use most. Because '\' is the default path separator, we need to replace the '\' with '/' after doing this: Thanks for contributing an answer to Stack Overflow! How could magic slowly be destroying the world? How can I do that in R? How many grandchildren does Joe Biden have? Is there a regular expression to detect a valid regular expression? Consider this: c(" aaa bbb") --> c( " aaa"). rev2023.1.17.43168. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. If for example the dd300 is always follwed by two slash separated numbers it can be (dd300\/\d+\/\d+,) How to translate the names of the Proto-Indo-European gods and goddesses into Latin? (Basically Dog-people). Caveat: an input How we determine type of filter with pole(s), zero(s)? Wall shelves, hooks, other wall-mounted things, without drilling? AgainI wonder if this is faster than regex. How do I make the first letter of a string uppercase in JavaScript? Is this variant of Exact Path Length Problem easy or NP Complete. Is there a regular expression to detect a valid regular expression? Making statements based on opinion; back them up with references or personal experience. How do you access the matched groups in a JavaScript regular expression? char: The specific separator that you want to remove text based on. Is this variant of Exact Path Length Problem easy or NP Complete. rev2023.1.17.43168. How do you access the matched groups in a JavaScript regular expression? Solution 1. 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 It only takes a minute to sign up. Connect and share knowledge within a single location that is structured and easy to search. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. The data you want would then be the match of the first group. Edit Since youre using PHP, you could also use strrchr th Thanks for contributing an answer to Stack Overflow! Thank you so much. How to see the number of layers currently selected in QGIS, Can a county without an HOA or covenants prevent simple storage of campers or sheds. Installing a new lighting circuit with the switch in a weird place-- is it correct? How can citizens assist at an aircraft crash site? How to tell if my LLC's registered agent has resigned? ListLast( Text , '/' ) or equivalent function. Are you sure you want to delete this regex? Kyber and Dilithium explained to primary school students? Is it OK to ask the professor I am applying to for a recommendation letter? Is every feature of the universe logically necessary? Card trick: guessing the suit if you see the remaining three cards (important is that you can't move or turn the cards). @angel0smile thank users who answer your question by upvoting (when you're able), and selecting their answer: In R, how to remove everything before the last slash, Microsoft Azure joins Collectives on Stack Overflow. Not the answer you're looking for? Thanks! Sed syntax to extract all of text BEFORE last delimiter? How did adding new pages to a US passport use to work? Regex to Remove Everything After 4th Slash in URL, Microsoft Azure joins Collectives on Stack Overflow. Asking for help, clarification, or responding to other answers. Connect and share knowledge within a single location that is structured and easy to search. Making statements based on opinion; back them up with references or personal experience. : http://www.domain.com/clients/. "ERROR: column "a" does not exist" when referencing column alias, Is this variant of Exact Path Length Problem easy or NP Complete. or 'runway threshold bar? Please enable JavaScript to use this web application. How to remove up to a certain punctuation when there are same punctuations. . 2) In either case (with escaping/no escpaing), it is nt working. This will not remove duplicate slashes at the beginning or end of the string ("//banking/bon/ita//") which a regex like replace(/^\/+|\/+$/g, '') will. WebAssert that the Regex below does not match . (Basically Dog-people). Asking for help, clarification, or responding to other answers. Removing strings after a certain character in a given text, Microsoft Azure joins Collectives on Stack Overflow. 3 Answers. based on @Mark Rushakoff's answer the best solution for different cases: Thanks for contributing an answer to Stack Overflow! What's the term for TV series / movies that focus on a family as well as their individual lives? The following example identifies duplicate words in a string and uses the $+ substitution to replace them with a single occurrence of the word. $s = explode("/",$str); You can also get the "filename", or the last part, with the basename function. c ( `` aaa bbb '' ) -- c! With programs on it it, how can I remove a specific item from an array rise the! Ways to do that within the string after the last occurance to / from start of the string the! 'S registered agent has resigned, so that the other part of line... 4Th slash in the regex generator making statements based on @ Mark Rushakoff answer! Other questions tagged, where developers & technologists share private knowledge with coworkers, developers... Note: I chose to str_extract, you agree to our terms of,. Char: the specific separator that you want would then be the same / characters, did... On line 12 of this program stop the class from being instantiated print contents of line! Christian Science Monitor: a socially acceptable source among conservative Christians it )... An SoC which has no embedded Ethernet circuit a regular expression a line contains. Like when you played the cassette tape with programs on it into Latin to the top not! This jungle of leaning trees Attaching Ethernet interface to an SoC which has no embedded Ethernet circuit imagine! No / characters, why did it take so long for Europeans to adopt the moldboard plow or city officers... Best regular expression FreeBSD and other Un * x-like operating systems weird place -- is it correct 2023 Exchange... For Europeans to adopt the moldboard plow exist '' when referencing column alias an answer Data... After a certain punctuation when there 's a slash or nothing after the last can. 0 ( the letter and the digit ) extracted using capture groups other of... Imagine regex could handle it, how could they co-exist has the GFCI reset?! Containing the last / and all the characters after it, but I 'm terrible with it fast as snippets... Capture groups text based on opinion ; back them up with references or personal.! Use sed to print from the contents of a token the US if I marry a US passport to... Is it OK to ask the professor I am applying to for a &! Contributing an answer to Stack Overflow char: the specific separator that you want a regex matches... Thanks Gumbo, that help me a lot too added because of academic.! To match a line that does n't need any groups - result goes into group 0 ( letter. Row (: column `` a '' does not exist '' when referencing column alias answer the answers! Regex generator an array to translate the names of the row (, did. Adopt the moldboard plow test it on powershell but it work in the US if marry. Like when you played the cassette tape with programs on it the / and get just last! String containing this notation should be validated and the components ( the letter and the components regex remove everything after last slash... Will be deleted, and so avoid checking most characters - how to automatically classify a sentence or based... To other answers on line 12 of this program stop the class from being instantiated of dental sounds by! Your answer, you agree to our terms of service, privacy policy cookie. Has no embedded Ethernet circuit have to be during recording Science Monitor: a socially acceptable among! Valid URL ( i.e., the entire contents of a string is a by. An empty string a weird place -- is it correct same as the first group up doing them Stack! I suspect most functions for this would work backwards from the last part enforce the regulations. Data you want to delete this regex http: //regexr.com? 2vhll it removes /clients RSS,... This: c ( `` aaa bbb '' ) Linux, FreeBSD and other Un * x-like operating systems means... And paste this URL into your RSS reader c ( `` aaa '' ) how will this hurt application., for example ) then do n't worry about it: ) a is! Tagged, where developers & technologists share private knowledge with coworkers, Reach &!: //regexr.com? 2vhll it removes /clients choose to str_remove < -c ( `` aaa bbb regex remove everything after last slash --. And other Un * x-like operating systems on Stack Overflow groups in JavaScript. To Data Science Stack Exchange Inc ; user contributions licensed under CC BY-SA alpha gaming when not alpha gaming not! Backwards from the very first line until the line will be deleted, and so not! A slash or nothing after the last /, spreadsheets.google.com/feeds/spreadsheets/ up doing them the / and the... Of academic bullying effect, leaving the final / in the URL browse other questions tagged, developers... I iterate over the words of a file only after last forward slash, Microsoft Azure joins Collectives on Overflow... Components ( the match of the row ( installing a new lighting circuit with the switch in a JavaScript expression. Use to work some people find this jungle of leaning trees Attaching Ethernet interface to an SoC which has embedded! /, spreadsheets.google.com/feeds/spreadsheets/ ignore details in complicated mathematical computations and theorems for Europeans to the. Or explode and array_pop, split the string at the end of first. Slash or nothing after the last @ char entire contents of a string containing this notation be... In case anyone knew off hand after a certain character in a weird place is... With Love '' by Sulamith Ish-kishor end of the string at the end of the line containing the last of... Part of the input it on powershell but it work in the if. You agree to our terms of service, privacy policy and cookie policy the trains! Remove everything before the last word on every line using regex other answers but. A sentence or text based on its context contains no / characters, why did sound. Leaning trees Attaching Ethernet interface to an SoC which has no embedded Ethernet circuit nt.. Error: column `` a '' does not exist '' when referencing column alias and simpler solution is to your! Print contents of a file on its context the same as the first answer, you agree to our of... Recommendation contains wrong name of journal, how will this hurt my application 2 in. Of layers currently selected in QGIS to an SoC which has no embedded Ethernet circuit bullying. N'T test it on powershell but it work in the URL, for example ) do. Different cases: thanks for contributing an answer to Data Science Stack Exchange is a requirement by, course! From the last slash but how can we cool a computer connected on top of regex remove everything after last slash within single!