regex remove everything after last slash

To learn more, see our tips on writing great answers. What did it sound like when you played the cassette tape with programs on it? Super User is a question and answer site for computer enthusiasts and power users. How do you use a variable in a regular expression? The string should look like this. How do you access the matched groups in a JavaScript regular expression? Your regex has been permanently saved and may be accessed with this link by anybody you give it to. Is every feature of the universe logically necessary? Asking for help, clarification, or responding to other answers. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. I've edited my answer to include this case as well. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Why is 51.8 inclination standard for Soyuz? How can citizens assist at an aircraft crash site? Some people find this jungle of leaning trees Something). @Sardine: You could try to benchmark it yourself and find out :-) I would consider it highly probable that this is faster than regex. What are the disadvantages of using a charging station with power banks? (Basically Dog-people). What's the term for TV series / movies that focus on a family as well as their individual lives? delete from nth occurrence to end of file, How to replace last occurrence of pattern in a third last line of a file, how to to delete all separators after the last string, How to remove last n characters of a particular column, Print only the lines that with all digits except the last one or the last two characters or the first or second characters, Delete last characters of strings in a txt file, regex and sed in delete all characters before two delimiter. Microsoft Azure joins Collectives on Stack Overflow. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Is this variant of Exact Path Length Problem easy or NP Complete. Letter of recommendation contains wrong name of journal, how will this hurt my application? Reading some post in stackoverflow I found that php has trim function and I could use his javascript translation (http://phpjs.org/functions/trim:566) but I would prefer a "simple" regular expression. Use @ before a backslash in a string. (Make it as long as possible.) 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. My confusion arises mainly due to, 1) Does parens for pattern matching need to be escaped inside sed regex-es? AgainI wonder if this is faster than regex. Find a string of (zero or more) characters other than. How did adding new pages to a US passport use to work? What did it sound like when you played the cassette tape with programs on it? 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 How were Acorn Archimedes used outside education? This would give you the pathnames of each parent directory in the list. @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. If you don't want that consider /([^/]+)$ instead. You can, Regex, delete all characters after the last occurrence of "/", Microsoft Azure joins Collectives on Stack Overflow. What is the JavaScript version of sleep()? The following example identifies duplicate words in a string and uses the $+ substitution to replace them with a single occurrence of the word. Thanks for contributing an answer to Stack Overflow! Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. How dry does a rock/metal vocal have to be during recording? (in effect, leaving the final / in the input line alone). Can a county without an HOA or covenants prevent simple storage of campers or sheds, Can someone help me identify this bicycle? How did adding new pages to a US passport use to work? Connect and share knowledge within a single location that is structured and easy to search. will be totally wiped out Regex to remove only last slash in the URL. this finds /one.txt and replaces it with /. matches any character (except for line terminators) * matches the previous token between zero and unlimited times, as many What kind of classification should I use? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Can I (an EU citizen) live in the US if I marry a US citizen? Regular Expression, remove everything after last forward slash. To learn more, see our tips on writing great answers. 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? Meaning of "starred roof" in "Appointment With Love" by Sulamith Ish-kishor. (. 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: 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. we could change the command to. Why is water leaking from this hole under the sink? How to translate the names of the Proto-Indo-European gods and goddesses into Latin? 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. How can citizens assist at an aircraft crash site? This appears to be the quickest method! 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? What is the best regular expression to check if a string is a valid URL? 2) In either case (with escaping/no escpaing), it is nt working. Asking for help, clarification, or responding to other answers. Find centralized, trusted content and collaborate around the technologies you use most. Also, this answer turns lines with no, @Scott It depends on what you want to use the result for. Not the answer you're looking for? Print contents of a file only after last occurrence of a token? Why does removing 'const' on line 12 of this program stop the class from being instantiated? Thanks for contributing an answer to Stack Overflow! 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. 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 to automatically classify a sentence or text based on its context? Indeed - I suspect most functions for this would work backwards from the end, and so avoid checking most characters. Did Richard Feynman say that anyone who claims to understand quantum physics is lying or crazy? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. How to make chocolate safe for Keidran? Card trick: guessing the suit if you see the remaining three cards (important is that you can't move or turn the cards). Did Richard Feynman say that anyone who claims to understand quantum physics is lying or crazy? How do you access the matched groups in a JavaScript regular expression? Can state or city police officers enforce the FCC regulations? How to navigate this scenerio regarding author order for a publication? Is every feature of the universe logically necessary? "Replace all (//g) leading slash (^\/) or (|) trailing slash (\/$) with an empty string.". This is the same as the first answer, Asking for help, clarification, or responding to other answers. isuru, isn't this already well covered by the existing answers? Good answer, but there is only one substitution so. Making statements based on opinion; back them up with references or personal experience. No regex used. *) = group of everything that comes after the last occurance of /. What are possible explanations for why blue states appear to have higher homeless rates per capita than red states? Regular Expression, remove everything after last forward slash, Microsoft Azure joins Collectives on Stack Overflow. Any thoughts on how I could do this? $url = 'http://spreadsheets.google.com/feeds/spreadsheets/p1 This is most useful Kyber and Dilithium explained to primary school students? EDIT: If what you want is to remove everything from the last @ on you just have to follow this previous example with the appropriate regex. Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. Regular expression to stop at first match. If someone could help me, I would be very grateful. For the sake of completeness: You could use the stringr package to extract what you want. or 'runway threshold bar? So in this case, the regex is better IMO. @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. 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. rev2023.1.17.43168. Here's my original reply with the new character: $usr = 'Amer/kdb8916' $amer = $null if ($usr -match '\\ ( [^\\]+)$') { $amer = $matches[1] } $amer How could magic slowly be destroying the world? How to remove the last character from a string? to match any number of trailing slashes, both / and \. How to translate the names of the Proto-Indo-European gods and goddesses into Latin? How dry does a rock/metal vocal have to be during recording? The Zone of Truth spell and a politics-and-deception-heavy campaign, how could they co-exist? To learn more, see our tips on writing great answers. I'd like to remove everything before (including) the last slash, the result should look like, I googled this code which gives me everything before the last slash. Making statements based on opinion; back them up with references or personal experience. Thanks for contributing an answer to Stack Overflow! this regex will find "something". Looked around and cannot find anything similar. Is there a regular expression to detect a valid regular expression? How do I make the first letter of a string uppercase in JavaScript? In the Pern series, what are the "zebeedees"? EDIT: If what you want is to remove everything from the last @ on you just have to follow this previous example with the appropriate regex. And this code is for Back button. Can I change which outlet on a circuit has the GFCI reset switch? based on @ Mark Rushakoff 's answer the best solution for different cases: