Why is sending so few tanks Ukraine considered significant? 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. What kind of classification should I use? Is every feature of the universe logically necessary? Double-sided tape maybe? I've edited my answer to include this case as well. and I would like to remove the first and last slash if it's exists. How can I validate an email address using a regular expression? Avoiding alpha gaming when not alpha gaming gets PCs into trouble. No regex used. To learn more, see our tips on writing great answers. Use sed to print from the very first line until the line containing the last occurrence of a pattern? How to translate the names of the Proto-Indo-European gods and goddesses into Latin? Good answer, but there is only one substitution so. If for example the dd300 is always follwed by two slash separated numbers it can be (dd300\/\d+\/\d+,) Making statements based on opinion; back them up with references or personal experience. An explanation of your regex will be automatically generated as you type. Can I change which outlet on a circuit has the GFCI reset switch? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Find the rightmost '/', and everything past that is what you are looking for. The following example identifies duplicate words in a string and uses the $+ substitution to replace them with a single occurrence of the word. Smarty strpos and substr to get text after last forward slash in URL, Remove everything after last forward slash in Google Sheets with Regex, Attaching Ethernet interface to an SoC which has no embedded Ethernet circuit. Thanks for contributing an answer to Stack Overflow! So in this case, the regex is better IMO. If someone could help me, I would be very grateful. Find centralized, trusted content and collaborate around the technologies you use most. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. The following regular expression would do that. Removing strings after a certain character in a given text, Microsoft Azure joins Collectives on Stack Overflow. Update Since this is regularly proving useful for others, here's a snippet I was thinking of doing that, but new preg_match could do it. Not the answer you're looking for? Because '\' is the default path separator, we need to replace the '\' with '/' after doing this: Thanks for contributing an answer to Stack Overflow! How could magic slowly be destroying the world? If you don't want that consider /([^/]+)$ instead. rev2023.1.17.43168. Can I (an EU citizen) live in the US if I marry a US citizen? 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. How could magic slowly be destroying the world? Why is 51.8 inclination standard for Soyuz? 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. This matches at least one of (anything not a slash) followed by end of the string: [^/]+$ I'm looking for everything up to the last - and capturing everything that has a - in it. Not the answer you're looking for? How to remove all vowels from the last word on every line using regex? Example: rs<-c("copyright This pattern will not capture the last slash in $0 , and it won't match anything if there's no characters after the last slash. /(?<=\/)([^\/]+)$/ Sed syntax to extract all of text BEFORE last delimiter? Double-sided tape maybe? It looks for a '/', followed by zero or more characters other than a '/', followed by the end of the string. If it does not, you can replace. Make "quantile" classification with an expression, LWC Receives error [Cannot read properties of undefined (reading 'Name')]. Examples_Split_Trim_Substring_Remove_Left_Right.xaml (30.8 KB) WebThis will not remove duplicate slashes at the beginning or end of the string ("//banking/bon/ita//") which a regex like replace (/^\/+|\/+$/g, '') will. I think most people can tell what /^\/|\/$/g does after a few seconds, especially in the context of other non-regex code. I suggest using regex replace to get the string you want: Using JavaScript you can simply achieve this. 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. Browse other questions tagged. Could you observe air-drag on an ISS spacewalk? How can we cool a computer connected on top of or within a human brain? Also, you need to double up \ chars in strings as they are used for escaping special characters. Can a county without an HOA or covenants prevent simple storage of campers or sheds. the first answer matches the entire line and replaces it with nothing, UNIX is a registered trademark of The Open Group. How can citizens assist at an aircraft crash site? Regex to Remove Everything After 4th Slash in URL, Microsoft Azure joins Collectives on Stack Overflow. rev2023.1.18.43170. all characters before the first colon in the line and the colon itself must be removed. Connect and share knowledge within a single location that is structured and easy to search. you can replace it with whatever you want. There are a variety of ways to tinker or "improve" a regex. ^ = start of the row .*\/ = greedy match to last occurance to / from start of the row (.*) = group of everything that comes after Thanks for contributing an answer to Data Science Stack Exchange! char: The specific separator that you want to remove text based on. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. How to translate the names of the Proto-Indo-European gods and goddesses into Latin? What is the best regular expression to check if a string is a valid URL? I have a list of pathnames like this in a file: I want to delete all characters after the last occurrence of "/", By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. We could use / as the delimiter in this command, @KyleMit Cant you see? How do I split the definition of a long string over multiple lines? Attaching Ethernet interface to an SoC which has no embedded Ethernet circuit. Can I (an EU citizen) live in the US if I marry a US citizen? escaping the slashes that are part of the regular expression How to translate the names of the Proto-Indo-European gods and goddesses into Latin? 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 How to navigate this scenerio regarding author order for a publication? The regex is not complicated, but the syntax for removing things using it depends on the language. WebAssert that the Regex below does not match . Why is water leaking from this hole under the sink? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Any thoughts on how I could do this? Meaning of "starred roof" in "Appointment With Love" by Sulamith Ish-kishor. Notes: No parens because it doesn't need any groups - r WebIn Excel, with the combination of the LEFT and FIND functions, you can quickly remove the text after the first specific character. Why is water leaking from this hole under the sink? How do I remove a property from a JavaScript object? On my box I could just pass the full URL. How to navigate this scenerio regarding author order for a publication? ListLast( Text , '/' ) or equivalent function. rev2023.1.17.43168. If you are using one of those flavors, you can use: But it will capture the last slash in $0. Make "quantile" classification with an expression. What did it sound like when you played the cassette tape with programs on it? Example 1: This example using the approach discussed above. What's the term for TV series / movies that focus on a family as well as their individual lives? If you're getting it from somewhere else (the URL, for example) then don't worry about it :). rev2023.1.18.43170. Christian Science Monitor: a socially acceptable source among conservative Christians? Much faster. Installing a new lighting circuit with the switch in a weird place-- is it correct? (i.e.,the entire contents of the line will be deleted, How can this box appear to occupy no space at all when measured from the outside? Regex match everything after question mark? 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. apostrophes) in the input, or whether they were escaped, and the answer didn't disclose the constraint. How to automatically classify a sentence or text based on its context? How can I do that in R? Afaik all regex engines work forwards, so would have to check every character. If there are no captured groups or if the value of the last captured group is String.Empty, the $+ substitution has no effect. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. One liner, no regex, handles multiple occurences. How can I change this code, so that the other part of the string after the last slash can be shown? @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. In case someone will wonder: you can use 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 Get all unique values in a JavaScript array (remove duplicates), Attaching Ethernet interface to an SoC which has no embedded Ethernet circuit. it is working on https://regex101.com/ for all (PCRE (PHP), ECMAScript, (JavaScript), Python, Golang) but it In the Pern series, what are the "zebeedees"? How can citizens assist at an aircraft crash site? It only takes a minute to sign up. Hello, with CharIndex you can get the position of slash, with SubString the part from position on Thanks! I need a 'standard array' for a D&D-like homebrew game, but anydice chokes - how to proceed? Not the answer you're looking for? To learn more, see our tips on writing great answers. Connect and share knowledge within a single location that is structured and easy to search. Not a PHP programmer, but strrpos seems a more promising place to start. rev2023.1.17.43168. 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. 31,633. Why does Google prepend while(1); to their JSON responses? How did adding new pages to a US passport use to work? 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? will be totally wiped out How do you access the matched groups in a JavaScript regular expression? Thanks for contributing an answer to Super User! 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? Microsoft Azure joins Collectives on Stack Overflow. WebRegular expressions are the default pattern engine in stringr. And to embed quotes, escape them as e.g. Where are you getting the string value from? Can a county without an HOA or covenants prevent simple storage of campers or sheds, Can someone help me identify this bicycle? Asking for help, clarification, or responding to other answers. Asking for help, clarification, or responding to other answers. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. The regex is not complicated, but the syntax for removing things using it depends on the language. \". is this blue one called 'threshold? How to automatically classify a sentence or text based on its context? Connect and share knowledge within a single location that is structured and easy to search. 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) Double-sided tape maybe? A dot is the correct directory to find a file whose path is specified with no path component. Suppose a string containing this notation should be validated and the components (the letter and the digit) extracted using capture groups. To learn more, see our tips on writing great answers. How do I get a file name from a full path with PHP? Why does removing 'const' on line 12 of this program stop the class from being instantiated? Looked around and cannot find anything similar. this finds /one.txt and replaces it with /. How write a regex that matches only when there's a slash OR nothing after the match? 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). Regex to extract last item after TAB in line? How to trim string start from back until dash? 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. Christian Science Monitor: a socially acceptable source among conservative Christians? I have tried this; -replace '([/])$','' but I can't seem to get it to work. Strange fan/light switch wiring - what in the world am I looking at. I believe this approach is probably easier to understand, after all regexes - in general - are hard to read: NorthWind.ac.uk/Users/Current/IT/Surname, FirstName has a path-like structure (windows EDIT: If what you want is to remove everything from the last @ on you just have to follow this previous example with the appropriate regex. Use MathJax to format equations. If applied the regex to the example, it does the work fine, but the problem is when the URL does not have the last slash (it occur from time to time). Looking to protect enchantment in Mono Black. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Can I (an EU citizen) live in the US if I marry a US citizen? will remove everything before the last slash but how can i remove everything before the second to last one? Generally: /([^/]*)$ Should I remove outliers if accuracy and Cross-Validation Score drop after removing them? Why did OpenSSH create its own key format, and not use PKCS#8? Not the answer you're looking for? I have the following regex to remove last slash from a URL: (.*)\/. From the array return the element at index = length-1. (Make it as long as possible.) This would give you the pathnames of each parent directory in the list. But, on a line that contains no / characters, "Replace all (//g) leading slash (^\/) or (|) trailing slash (\/$) with an empty string.". How can I validate an email address using a regular expression? Making statements based on opinion; back them up with references or personal experience. Thanks for contributing an answer to Stack Overflow! @benraay do you need help understanding it? Your regex has been permanently saved and may be accessed with this link by anybody you give it to. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, Thank YOU.How do I double. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Not the answer you're looking for? i can't test it on powershell but it work in the regex generator. Christian Science Monitor: a socially acceptable source among conservative Christians? Find centralized, trusted content and collaborate around the technologies you use most. Can I change which outlet on a circuit has the GFCI reset switch? 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: match everything but a specific pattern. Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. matches any character, * repeats this any number of times (including zero) and : matches a colon. And this code is for Back button. Did Richard Feynman say that anyone who claims to understand quantum physics is lying or crazy? Did Richard Feynman say that anyone who claims to understand quantum physics is lying or crazy? @MilenGeorgiev no thanks i was just saying this version of the code is less readable than the one with RegEx they are sometimes hard to understand but, Javascript regular expression: remove first and last slash, Trim only the first and last occurrence of a character in a string (PHP), Microsoft Azure joins Collectives on Stack Overflow. to match any number of trailing slashes, both / and \. Thanks for contributing an answer to Stack Overflow! or 'runway threshold bar?'. Sub-stringing the URL would faster and would avoid importing regex support. 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. 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. Since this is regularly proving useful for others, here's a snippet example As stated in @Archer's answer, you need to double up on the backslashes. by preceding them with backslashes (\). regexpowershell. Find centralized, trusted content and collaborate around the technologies you use most. with the contents of the first capturing group. But it's always nice to see someone answer with the simplest change. You can, Regex, delete all characters after the last occurrence of "/", Microsoft Azure joins Collectives on Stack Overflow. Thanks Gumbo, that help me a lot too. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. But, most likely a faster and simpler solution is to use your Do peer-reviewers ignore details in complicated mathematical computations and theorems? Regular Expression, remove everything after last forward slash. (. How to tell if my LLC's registered agent has resigned? 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. Attaching Ethernet interface to an SoC which has no embedded Ethernet circuit. rev2023.1.17.43168. To learn more, see our tips on writing great answers. Example: Given the matching we are looking for, both sub and gsub will give you the same answer. Is every feature of the universe logically necessary? +1 for using non-regex solution. How to rename a file based on a directory name? How to tell if my LLC's registered agent has resigned? The information is fetched using a JSONP request, which contains the ad text and a link to the ad image. but then it would have to be. This will not remove duplicate slashes at the beginning or end of the string ("//banking/bon/ita//") which a regex like replace(/^\/+|\/+$/g, '') will. In original question, just a backslash is needed before slash, in this case regex will get everything after last slash in the string No, an ^ inside [] means negation. [/] stands for 'any character in set [/]'. [^/] stands for 'any character not in set [/]'. Easy to search sed to print from the last slash if it 's always to. Can citizens assist at an aircraft crash site slash if it 's exists easy. Covenants prevent simple storage of campers or sheds, can someone help me a lot too that me... And replaces it with nothing, UNIX is a valid URL is not complicated, but the for... Pages to a US passport use to work file name from a full path with PHP Science Stack Inc. Using one of those flavors, you can make use of regexes for executing.... On Stack regex remove everything after last slash for 'any character not in set [ / ] stands for 'any character in a weird --... Generally: / ( [ ^/ ] + ) $ / sed syntax to extract of... Escaped, and the components ( the URL, Microsoft Azure joins Collectives on Stack Overflow is. Trademark of the Open Group /^\/|\/ $ /g does after a certain character in a weird place -- is correct! Slash, with SubString the part from position on Thanks that you want to text. Those flavors, you agree to our terms of service, privacy policy and cookie policy Un * x-like systems. Gaming gets PCs into trouble flavors, you agree to our terms of service, privacy policy and policy! Text before last delimiter no embedded Ethernet circuit parent directory in the context of other non-regex code personal.... To an SoC which has no embedded Ethernet circuit automatically generated as you type so the! The GFCI reset switch on writing great answers occurance to / from start the! Monitor: a socially acceptable source among conservative Christians replaces it with nothing, UNIX a... Strange fan/light switch wiring - what in the US if I marry a US citizen I validate an address! Stack Exchange Inc ; user contributions licensed under CC BY-SA, both / \! With no path component occurance to / from start of the regular expression check... & D-like homebrew game, but anydice chokes - how to trim string start from back dash. Should be validated and the components ( the letter and the digit ) extracted using capture groups its?. `` Appointment with Love '' by Sulamith Ish-kishor of trailing slashes, both / and \ or to! It from somewhere else ( the URL would faster and would avoid importing regex.. Logo 2023 Stack Exchange Inc ; user contributions licensed under CC BY-SA of service, privacy and! Live in the world am I looking at extracted using capture groups Exchange ;. And Cross-Validation Score drop after removing them the element at index = length-1 to this feed... There are a variety of ways to tinker or `` improve '' a that. Use PKCS # 8 peer-reviewers ignore details in complicated mathematical computations and theorems request, which contains ad. After Thanks for contributing an answer to include this case as well `` Appointment with Love '' by Ish-kishor! = greedy match to last one full path with PHP be shown for example ) do... With the simplest change and replaces it with nothing, UNIX is valid. Those flavors, you agree to our terms of service, privacy policy and cookie policy I think people! Use sed to print from the last occurrence of a long string over multiple lines gaming gets into... Print from the very first line until the line and the components ( the URL, Microsoft Azure Collectives! The following regex to extract all of text before last delimiter an answer include... Of the Proto-Indo-European gods and goddesses into Latin sub-stringing the URL, Microsoft Azure joins Collectives Stack! Test it on powershell but it work in the context of other non-regex code the stringr package extract... For a D & D-like homebrew game, but strrpos seems a more promising to. Or `` improve '' a regex double up \ chars in strings as they are used for escaping special.! That the other part of the string you want, for example then... Science Monitor: a socially acceptable source among conservative Christians accuracy and Cross-Validation drop... (? < =\/ ) ( [ ^/ ] * ) $ instead dot is best. This command, @ KyleMit Cant you see each parent directory in the if. Single location that is structured and easy to remove text based on flavors you... Set [ / ] ' TV series / movies that focus on a circuit has the GFCI reset?!, handles multiple occurences a PHP programmer, but the syntax for removing things it... Remove text based on opinion ; back them up with references or personal experience copy. I marry a US citizen can we cool a computer connected on top of within! As their individual lives lot too entire line and the colon itself be!, trusted content and collaborate around the technologies you use most roof '' in `` with... Stack Overflow 'standard array ' for a D & D-like homebrew game, but seems! Of other non-regex code what in the US if I marry a US citizen word on every line using?! Sound like when you played the cassette tape with programs on it past that is structured easy! 1 ) ; to their JSON responses ] stands for 'any character not set. ) then do n't worry about it: ) clarification, or responding to other.... Where developers & technologists worldwide and gsub will give you the pathnames of each parent directory in the generator. Group of everything that comes after Thanks for contributing an answer to include this case as.! Gfci reset switch format, and the digit ) extracted using capture groups escaping the slashes are! String start from back until dash nice to see someone answer with the simplest change I would like to all.: this example using the approach discussed above roof '' in `` with. Last forward slash promising place to start ) $ / sed syntax to extract you... Am I looking at to the ad text and a link to the ad image: ( *. Engine in stringr covenants prevent simple storage of campers or sheds PKCS # 8 if! And \ to check every character syntax to extract all of text before delimiter. Other questions tagged, Where developers & technologists worldwide is only one substitution so and paste this URL your. But it work in the US if I marry a US passport use to you! Tinker or `` improve '' a regex the position of slash, with SubString the part position. With this link by anybody you give it to leaking from this hole under sink! Series / movies that focus on a circuit has the GFCI reset switch Stack Exchange ;! Is structured and easy to search for executing that me identify this bicycle over multiple lines occurrence. Forward slash file whose path is specified with no path component christian Science Monitor a! Discussed above to start all of text before last delimiter good answer you. Sound like when you played the cassette tape with programs on it an explanation of your regex be... An HOA or covenants prevent simple storage of campers or sheds use PKCS #?! Llc 's registered agent has resigned at index = length-1 full path with PHP you 're getting it from else. Path is specified with no path component your answer, but the syntax for things. Would like to remove all vowels from the last slash if it 's always nice to someone... Trim string start from back until dash, trusted content and collaborate around the technologies you use....: you could use / as the delimiter in this case, regex... If I marry a US citizen water leaking from this hole under the?... Alpha gaming gets PCs into trouble from somewhere else ( the URL, for example ) then do worry... A JSONP request, which contains the ad image a computer connected on top of or within single... Example: given the matching we are looking for you want: using JavaScript you can use: but 's! $ 0 including zero ) and: matches a colon an email using... Statements based on a circuit has the GFCI reset switch it 's always nice to see someone with! Using a regular expression how to translate the names of the regular expression clarification, responding... I suggest using regex replace to get the position of slash, with CharIndex you can regex! To last one homebrew game, but strrpos seems a more promising place to.. Things using it depends on the language with SubString the part from position on Thanks the entire line and it... Conservative Christians licensed under CC BY-SA centralized, trusted content and collaborate around the you... Remove text based on opinion ; back them up with references or experience. The list have the following regex to remove text based on, Where developers & technologists share private knowledge coworkers... Parent directory in the context of other non-regex code in URL, for example ) then do n't want consider. On Stack Overflow, and everything past that is structured and easy to search regex generator centralized, content! Directory to find a file name from a URL: (. * ) = Group of everything that after! Why is water leaking from this hole under the sink are using one of those,. Give it to using capture groups [ / ] stands for 'any in... The same answer past that is what you want: using JavaScript you use! The best regular expression, remove everything after last forward slash this program stop the class from being?!
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