Do peer-reviewers ignore details in complicated mathematical computations and theorems? Christian Science Monitor: a socially acceptable source among conservative Christians? 3 Answers. is this blue one called 'threshold? How could magic slowly be destroying the world? How to translate the names of the Proto-Indo-European gods and goddesses into Latin? Connect and share knowledge within a single location that is structured and easy to search. (. Could you observe air-drag on an ISS spacewalk? To learn more, see our tips on writing great answers. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. If for example the dd300 is always follwed by two slash separated numbers it can be (dd300\/\d+\/\d+,) regexpowershell. The answers all have to be slightly modified to account for that. How do I get a file name from a full path with PHP? Not a PHP programmer, but strrpos seems a more promising place to start. Christian Science Monitor: a socially acceptable source among conservative Christians? How write a regex that matches only when there's a slash OR nothing after the match? Not a PHP programmer, but strrpos seems a more promising place to start. Find the rightmost '/', and everything past that is what you are looking And to embed quotes, escape them as e.g. How do you use a variable in a regular expression? What did it sound like when you played the cassette tape with programs on it? Can a county without an HOA or covenants prevent simple storage of campers or sheds, Can someone help me identify this bicycle? How dry does a rock/metal vocal have to be during recording? 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. So, where the first answer finds one.txt and replaces it with nothing, Regular Expression, remove everything after last forward slash. 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) 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, ''). How do I get the filename without the extension from a path in Python? Regex to extract last item after TAB in line? Which implementation language are we talking about? How to tell if my LLC's registered agent has resigned? Why does removing 'const' on line 12 of this program stop the class from being instantiated? 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, what is the best way of removing start and end slashes in a string -if exist- and keep the middle ones using TypeScript/JavaScript. What did it sound like when you played the cassette tape with programs on it? or 'runway threshold bar?'. Meaning of "starred roof" in "Appointment With Love" by Sulamith Ish-kishor. the first answer matches the entire line and replaces it with nothing, @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. It only takes a minute to sign up. Card trick: guessing the suit if you see the remaining three cards (important is that you can't move or turn the cards). If you have any questions or concerns, please feel free to send an email. He updated his previous answer. Thanks for contributing an answer to Stack Overflow! To subscribe to this RSS feed, copy and paste this URL into your RSS reader. What is the best regular expression to check if a string is a valid URL? How do I make the first letter of a string uppercase in JavaScript? For the regex, . Kyber and Dilithium explained to primary school students? I'm working in PHP with friendly URL paths in the form of: I need to standardize these URL paths to remove anything after the 4 slash including the slash itself. Then they added string interpolation with a, Thank You, still can't find how to double the backslashes. How to trim string start from back until dash? 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). 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). Not the answer you're looking for? An explanation of your regex will be automatically generated as you type. Making statements based on opinion; back them up with references or personal experience. Thanks for the awesome help, I know have a much better understanding of regex. I don't know if my step-son hates me, is scared of me, or likes me? Would Marx consider salary workers to be members of the proleteriat? Regex: Find all links that doesn't have one / (slash). Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. (Basically Dog-people). How to make chocolate safe for Keidran? How could magic slowly be destroying the world? Why does secondary surveillance radar use a different antenna design than primary radar? Not the answer you're looking for? Is the rarity of dental sounds explained by babies not immediately having teeth? WebI have a dataset say. 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? An adverb which means "doing without understanding". 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. How can I validate an email address using a regular expression? This would give you the pathnames of each parent directory in the list. i.e. Asking for help, clarification, or responding to other answers. Remove everything after last "_" occurance. Example: rs<-c("copyright 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. @Martijn I understand completely. $s = explode("/",$str); Is there a regular expression to detect a valid regular expression? How do you access the matched groups in a JavaScript regular expression? You are welcome. Regular Expression, remove everything after last forward slash. 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. I'm new at regular expressions and wonder how to phrase one that collects everything after the last /. Is this variant of Exact Path Length Problem easy or NP Complete, How to see the number of layers currently selected in QGIS. Use sed to print from the very first line until the line containing the last occurrence of a pattern? 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. you can also normal string split $str = "http://spreadsheets.google.com/feeds/spreadsheets/p1f3JYcCu_cb0i0JYuCu123"; x <- c ('test/test/my', 'et/tom/cat', 'set/eat/is', 'sk / handsome') I'd like to remove everything before (including) the last slash, the result should look like. I'm sure there's better ways to do things, than the ways I end up doing them. How did adding new pages to a US passport use to work? Making statements based on opinion; back them up with references or personal experience. P.P.S. Here's my original reply with the new character: $usr = 'Amer/kdb8916' $amer = $null if ($usr -match '\\ ( [^\\]+)$') { $amer = $matches[1] } $amer Caveat: an input By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. I'm looking for everything up to the last - and capturing everything that has a - in it. How can I validate an email address using a regular expression? By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. I have a list of pathnames like this in a file: I want to delete all characters after the last occurrence of "/", WebThis will not remove duplicate slashes at the beginning or end of the string ("//banking/bon/ita//") which a regex like replace (/^\/+|\/+$/g, '') will. To learn more, see our tips on writing great answers. I think most people can tell what /^\/|\/$/g does after a few seconds, especially in the context of other non-regex code. @Sardine: You could try to benchmark it yourself and find out :-) I would consider it highly probable that this is faster than regex. Smarty strpos and substr to get text after last forward slash in URL, Remove everything after last forward slash in Google Sheets with Regex, Attaching Ethernet interface to an SoC which has no embedded Ethernet circuit. Hello, with CharIndex you can get the position of slash, with SubString the part from position on all characters before the first colon in the line and the colon itself must be removed. How can I validate an email address using a regular expression? No parens because it doesn't need any groups - result goes into group 0 (the match itself). How do I chop/slice/trim off last character in string using Javascript? Microsoft Azure joins Collectives on Stack Overflow. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. How to see the number of layers currently selected in QGIS, Strange fan/light switch wiring - what in the world am I looking at, Avoiding alpha gaming when not alpha gaming gets PCs into trouble. Thanks for contributing an answer to Stack Overflow! . How to automatically classify a sentence or text based on its context? Making statements based on opinion; back them up with references or personal experience. (Basically Dog-people). How to automatically classify a sentence or text based on its context? On my box I could just pass the full URL. What is the JavaScript version of sleep()? How do I create a Java string from the contents of a file? This appears to be the quickest method! Would Marx consider salary workers to be members of the proleteriat? Did Richard Feynman say that anyone who claims to understand quantum physics is lying or crazy? 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. Are you sure you want to delete this regex? If you don't want that consider /([^/]+)$ instead. What's the term for TV series / movies that focus on a family as well as their individual lives? Avoiding alpha gaming when not alpha gaming gets PCs into trouble. 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. ', Card trick: guessing the suit if you see the remaining three cards (important is that you can't move or turn the cards). Use MathJax to format equations. Why did it take so long for Europeans to adopt the moldboard plow? To learn more, see our tips on writing great answers. How to translate the names of the Proto-Indo-European gods and goddesses into Latin? Asking for help, clarification, or responding to other answers. then substr if exist. If you are using one of those flavors, you can use: But it will capture the last slash in $0. it is working on https://regex101.com/ for all (PCRE (PHP), ECMAScript, (JavaScript), Python, Golang) but it I need a 'standard array' for a D&D-like homebrew game, but anydice chokes - how to proceed? To delete everything before the last instance of a specific character, the generic formula is: RIGHT ( cell, LEN ( cell) - FIND ("#", SUBSTITUTE ( cell, " char ", "#", LEN ( cell) - LEN (SUBSTITUTE ( cell, " char ", ""))))) In our sample table, to eradicate text before the last comma, the formula takes this form: Update Since this is regularly proving useful for others, here's a snippet By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Is there a regular expression to detect a valid regular expression? leaving only a blank line). /^.*\/(.*)$/ Meaning of "starred roof" in "Appointment With Love" by Sulamith Ish-kishor. Connect and share knowledge within a single location that is structured and easy to search. Why is water leaking from this hole under the sink? Or explode and array_pop, split the string at the / and get just the last part. rev2023.1.17.43168. Basename and dirname are great for moving through anything that looks like a unix filepath. The regex is not complicated, but the syntax for removing things using it depends on the language. When was the term directory replaced by folder? (in effect, leaving the final / in the input line alone). Why did OpenSSH create its own key format, and not use PKCS#8? You can, Regex, delete all characters after the last occurrence of "/", Microsoft Azure joins Collectives on Stack Overflow. 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. and I would like to remove the first and last slash if it's exists. The part between the first and second / is the regex to search for and the part between the second and third is what to replace it with (nothing in this case as we are deleting). Why did it take so long for Europeans to adopt the moldboard plow? In case someone will wonder: you can use Connect and share knowledge within a single location that is structured and easy to search. Super User is a question and answer site for computer enthusiasts and power users. "ERROR: column "a" does not exist" when referencing column alias, Is this variant of Exact Path Length Problem easy or NP Complete. This is a requirement by, Of course I know that. Regular Expression, remove everything after last forward slash, Microsoft Azure joins Collectives on Stack Overflow. Christian Science Monitor: a socially acceptable source among conservative Christians? Can I (an EU citizen) live in the US if I marry a US citizen? we could change the command to. In JavaScript "\" is the escape character, so "\k" (for example) is resolved as "k". Regular expression to match a line that doesn't contain a word. Thanks for contributing an answer to Super User! What does "you better" mean in this context of conversation? Approach 1: Split the string by .split () method and put it in a variable (array). How to remove all vowels from the last word on every line using regex? Remove the last part $ asdf="xxx/xxxx/xxxxx/yyy" $ echo $ {asdf%/*} xxx/xxxx/xxxxx This is described in man bash: $ {parameter%word} $ {parameter%%word} Poisson regression with constraint on the coefficients of two variables be the same. How can this box appear to occupy no space at all when measured from the outside? Wall shelves, hooks, other wall-mounted things, without drilling? Connect and share knowledge within a single location that is structured and easy to search. The regex is not complicated, but the syntax for removing things using it depends on the language. Regex match everything after question mark? It's possible you might need to strip off http:/ from the front. How do I split the definition of a long string over multiple lines? Making statements based on opinion; back them up with references or personal experience. and the replacement string By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. 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 preceding them with backslashes (\). 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. Why is water leaking from this hole under the sink? In Javascript: You can see it working here Regex101 and end match here Regex101. 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. Avoiding alpha gaming when not alpha gaming gets PCs into trouble. 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. Use the .length property to get the length of the array. Example instead of using "C:\\Mypath\\MyFile" use @"C:\MyPath\MyFile" Just be sure to put the @ symbol before the opening quotes. 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. while this one would not find a match, Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Is this variant of Exact Path Length Problem easy or NP Complete. How to remove up to a certain punctuation when there are same punctuations. Find centralized, trusted content and collaborate around the technologies you use most. Make "quantile" classification with an expression, LWC Receives error [Cannot read properties of undefined (reading 'Name')]. How can I update NodeJS and NPM to their latest versions? The data you want would then be the match of the first group. Edit Since youre using PHP, you could also use strrchr th 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. Asking for help, clarification, or responding to other answers.
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