There heaps of different ways to do things in php. 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 to translate the names of the Proto-Indo-European gods and goddesses into Latin? Find centralized, trusted content and collaborate around the technologies you use most. What is the JavaScript version of sleep()? To learn more, see our tips on writing great answers. No parens because it doesn't need any groups - result goes into group 0 (the match itself). Meaning of "starred roof" in "Appointment With Love" by Sulamith Ish-kishor. Asking for help, clarification, or responding to other answers. Is there a regular expression to detect a valid regular expression? And to embed quotes, escape them as e.g. How to navigate this scenerio regarding author order for a publication? Asking for help, clarification, or responding to other answers. Wall shelves, hooks, other wall-mounted things, without drilling? For the given list, it would produce. Is it OK to ask the professor I am applying to for a recommendation letter? Is there a regular expression to detect a valid regular expression? rev2023.1.17.43168. Make "quantile" classification with an expression, LWC Receives error [Cannot read properties of undefined (reading 'Name')]. Reference What does this symbol mean in PHP? My confusion arises mainly due to, 1) Does parens for pattern matching need to be escaped inside sed regex-es? The regex is not complicated, but the syntax for removing things using it depends on the language. Make "quantile" classification with an expression. The value after the 4th slash is sometimes a number, but can also be any parameter. 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) Regular expression for alphanumeric and underscores, Regular expression to match a line that doesn't contain a word. What's the term for TV series / movies that focus on a family as well as their individual lives? 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. From the array return the element at index = length-1. Why does secondary surveillance radar use a different antenna design than primary radar? Please enable JavaScript to use this web application. Also, you need to double up \ chars in strings as they are used for escaping special characters. and I would like to remove the first and last slash if it's exists. Basename and dirname are great for moving through anything that looks like a unix filepath. Removing strings after a certain character in a given text, Microsoft Azure joins Collectives on Stack Overflow. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Why are there two different pronunciations for the word Tee? Thank you so much. Sub-stringing the URL would faster and would avoid importing regex support. The string should look like this. Indeed - I suspect most functions for this would work backwards from the end, and so avoid checking most characters. I also thought a combination of strpos and substr might be able to handle it, but cannot quite figure it out. Where are you getting the string value from? leaving only a blank line). How do I remove a property from a JavaScript object? 2) In either case (with escaping/no escpaing), it is nt working. EditSince youre using PHP, you could also use strrchr thats returning everything from the last occurence of a character in a string up to the end. Double-sided tape maybe? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. I don't know if my step-son hates me, is scared of me, or likes me? Joachim Isaksson Jan 9, 2012 at 15:30 Add a comment 4 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. If there are no captured groups or if the value of the last captured group is String.Empty, the $+ substitution has no effect. If you'd like to remove the '/' you could do like this; you may need to escape the slash in the character class, depending on the language you're using. So the final regex might be: (dd300\/.+?,) The parentheses are only necessary when you need to access the matched string. 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. It's possible you might need to strip off http:/ from the front. How do I iterate over the words of a string? How could magic slowly be destroying the world? I have a dataset like the one below. If you are using one of those flavors, you can use: But it will capture the last slash in $0. Did Richard Feynman say that anyone who claims to understand quantum physics is lying or crazy? When was the term directory replaced by folder? Kyber and Dilithium explained to primary school students? Why is 51.8 inclination standard for Soyuz? How do I create a Java string from the contents of a file? @Sardine: You could try to benchmark it yourself and find out :-) I would consider it highly probable that this is faster than regex. Why did it take so long for Europeans to adopt the moldboard plow? Looked around and cannot find anything similar. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. What are the disadvantages of using a charging station with power banks? 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. How dry does a rock/metal vocal have to be during recording? Toggle some bits and get an actual square. Why is 51.8 inclination standard for Soyuz? @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. Regular Expression, remove everything after last forward slash. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. rev2023.1.18.43170. Remove everything after last "_" occurance. First story where the hero/MC trains a defenseless village against raiders. (Basically Dog-people). It removes /clients. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. What does "use strict" do in JavaScript, and what is the reasoning behind it? Kyber and Dilithium explained to primary school students? UNIX is a registered trademark of The Open Group. +1 for using non-regex solution. Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. Regex to extract last item after TAB in line? Why did it take so long for Europeans to adopt the moldboard plow? How do I make the first letter of a string uppercase in JavaScript? Find centralized, trusted content and collaborate around the technologies you use most. Hope it helps. I tried this t.replace("\\","\\\\") it did't work, You only need to do it when you set a string value directly in code, like in the example above. What does and doesn't count as "mitigating" a time oracle's curse? *) = group of everything that comes after the last occurance of /. Making statements based on opinion; back them up with references or personal experience. rev2023.1.18.43170. and What if I want to do it for the last in the text. 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. The JSON file and images are fetched from buysellads.com or buysellads.net. ', Card trick: guessing the suit if you see the remaining three cards (important is that you can't move or turn the cards). Is every feature of the universe logically necessary? i can't test it on powershell but it work in the regex generator. How to translate the names of the Proto-Indo-European gods and goddesses into Latin? I tried, How to remove all vowels from the last word on every line using regex? The PHP code looks like this. Did Richard Feynman say that anyone who claims to understand quantum physics is lying or crazy? Wall shelves, hooks, other wall-mounted things, without drilling? What regex can extract the "Something" from that string? I don't know if my step-son hates me, is scared of me, or likes me? What is the best regular expression to check if a string is a valid URL? Can state or city police officers enforce the FCC regulations? Are the models of infinitesimal analysis (philosophically) circular? How can citizens assist at an aircraft crash site? Connect and share knowledge within a single location that is structured and easy to search. Consider this: c(" aaa bbb") --> c( " aaa"). But, most likely a faster and simpler solution is to use your If for example the dd300 is always follwed by two slash separated numbers it can be (dd300\/\d+\/\d+,) 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. How did adding new pages to a US passport use to work? 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, ''). is this blue one called 'threshold? Of course, this also requires that backslashes be escaped. Examples are for RPA Dev Rookies. Find centralized, trusted content and collaborate around the technologies you use most. And this code is for Back button. it is working on https://regex101.com/ for all (PCRE (PHP), ECMAScript, (JavaScript), Python, Golang) but it refused to work within notepad+ find replace. Thanks for contributing an answer to Stack Overflow! Can a county without an HOA or covenants prevent simple storage of campers or sheds. isuru, isn't this already well covered by the existing answers? 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: Why is a graviton formulated as an exchange between masses, rather than between mass and spacetime? Once you get use to regex you'll see that it is as easy to remove from the last @ char. Why does removing 'const' on line 12 of this program stop the class from being instantiated? How can I remove a specific item from an array? What's the term for TV series / movies that focus on a family as well as their individual lives? Can I (an EU citizen) live in the US if I marry a US citizen? Making statements based on opinion; back them up with references or personal experience. Thanks for contributing an answer to Data Science Stack Exchange! You can also get the "filename", or the last part, with the basename function. The best answers are voted up and rise to the top, Not the answer you're looking for? Can a county without an HOA or covenants prevent simple storage of campers or sheds, Can someone help me identify this bicycle? Is this variant of Exact Path Length Problem easy or NP Complete. @PlatinumAzure - That is on the todo list! and so would not make a substitution. 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. *[^\\\/]{1,})([\\\/]{1,}$) You can also get the "filename", or the last part, with the basename function. c ( `` aaa '' ) KB ) my point that. Did adding new pages to a US passport use to work c ( `` aaa bbb '' --. 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