By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. 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. Regex to remove only last slash in the URL. 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. This is a requirement by, Of course I know that. I need a 'standard array' for a D&D-like homebrew game, but anydice chokes - how to proceed? If it does not, you can replace. WebAssert that the Regex below does not match . Kyber and Dilithium explained to primary school students? P.P.S. How did adding new pages to a US passport use to work? 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. Is there a regular expression to detect a valid regular expression? Regular expression to stop at first match. Update Since this is regularly proving useful for others, here's a snippet print 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: So the final regex might be: (dd300\/.+?,) The parentheses are only necessary when you need to access the matched string. This appears to be the quickest method! Much faster. 31,633. 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. The following example identifies duplicate words in a string and uses the $+ substitution to replace them with a single occurrence of the word. then substr if exist. @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. Afaik all regex engines work forwards, so would have to check every character. Thanks for contributing an answer to Stack Overflow! How can citizens assist at an aircraft crash site? Microsoft Azure joins Collectives on Stack Overflow. @PlatinumAzure - That is on the todo list! I have a dataset like the one below. but it basically comes down to a matter of style. There are a variety of ways to tinker or "improve" a regex. How do you use a variable in a regular expression? Making statements based on opinion; back them up with references or personal experience. (Basically Dog-people). If we wanted to fix that, How to tell if my LLC's registered agent has resigned? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. This pattern will not capture the last slash in $0 , and it won't match anything if there's no characters after the last slash. /(?<=\/)([^\/]+)$/ Find centralized, trusted content and collaborate around the technologies you use most. Double-sided tape maybe? $url = 'http://spreadsheets.google.com/feeds/spreadsheets/p1 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. Your original question specified the forward slash, but it looks like you're actually dealing with a backslash (ie, "AMER\UserName"). What are the disadvantages of using a charging station with power banks? Then, seems like the existing answer solved your question :), Thank you. Connect and share knowledge within a single location that is structured and easy to search. Two parallel diagonal lines on a Schengen passport stamp. Could you observe air-drag on an ISS spacewalk? I don't know if my step-son hates me, is scared of me, or likes me? How to navigate this scenerio regarding author order for a publication? rev2023.1.17.43168. 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 Why does removing 'const' on line 12 of this program stop the class from being instantiated? How to tell if my LLC's registered agent has resigned? I tried, Also, you need to double up \ chars in strings as they are used for escaping special characters. Can I change which outlet on a circuit has the GFCI reset switch? an empty ID. How to automatically classify a sentence or text based on its context? How do I iterate over the words of a string? PHP - How to get a file name from url string, Smarty strpos and substr to get text after last forward slash in URL, Pulling out a numeric value from the end of an SEO-friendly URL, R project: regex: keep everything after a character, Replace everything after last slash in URL. Card trick: guessing the suit if you see the remaining three cards (important is that you can't move or turn the cards). Can I change which outlet on a circuit has the GFCI reset switch? Your regex has been permanently saved and may be accessed with this link by anybody you give it to. Use the .length property to get the length of the array. It looks for a '/', followed by zero or more characters other than a '/', followed by the end of the string. is this blue one called 'threshold? 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 did it sound like when you played the cassette tape with programs on it? Another great idea! In the Pern series, what are the "zebeedees"? @G5W This answer follows the principle of "change as little of the OPs implementation as possible to get the desired behavior". Double-sided tape maybe? Find centralized, trusted content and collaborate around the technologies you use most. Make "quantile" classification with an expression. while this one would not find a match, To learn more, see our tips on writing great answers. Are there developed countries where elected officials can easily terminate government workers? Can state or city police officers enforce the FCC regulations? This is most useful In case someone will wonder: you can use rev2023.1.18.43170. Regular expression for alphanumeric and underscores, Regular expression to match a line that doesn't contain a word. Connect and share knowledge within a single location that is structured and easy to search. rev2023.1.17.43168. 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 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. It's working,actually I am getting directory path from web service. So in this case, the regex is better IMO. How to translate the names of the Proto-Indo-European gods and goddesses into Latin? 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. and I would like to remove the first and last slash if it's exists. For the regex, . rev2023.1.17.43168. 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? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Why did it take so long for Europeans to adopt the moldboard plow? "ERROR: column "a" does not exist" when referencing column alias. Remove all characters following a certain character in a column of a dataset, Cleaning rows of special characters and creating dataframe columns, How to remove rows from a data frame that have special character (any character except alphabet and numbers). Meaning of "starred roof" in "Appointment With Love" by Sulamith Ish-kishor. In JavaScript "\" is the escape character, so "\k" (for example) is resolved as "k". Of course, this also requires that backslashes be escaped. To learn more, see our tips on writing great answers. Or explode and array_pop, split the string at the / and get just the last part. How (un)safe is it to use non-random seed words? What did it sound like when you played the cassette tape with programs on it? To learn more, see our tips on writing great answers. Here's a solution that doesn't require regular expressions: Here's another solution that doesn't require regular expressions: 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: This solution doesn't use regexes. ListLast( Text , '/' ) or equivalent function. 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: How can citizens assist at an aircraft crash site? will be totally wiped out Consider this: c(" aaa bbb") --> c( " aaa"). Not the answer you're looking for? to be harder to read and maintain, Making statements based on opinion; back them up with references or personal experience. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. How to translate the names of the Proto-Indo-European gods and goddesses into Latin? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Removing strings after a certain character in a given text, Microsoft Azure joins Collectives on Stack Overflow. 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. Thanks for contributing an answer to Stack Overflow! This solution doesn't use regexes. How do I get a file name from a full path with PHP? So effectively it is anything followed by a colon. But, most likely a faster and simpler solution is to use your Hello, with CharIndex you can get the position of slash, with SubString the part from position on 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. In the Pern series, what are the "zebeedees"? Why is sending so few tanks Ukraine considered significant? Detailed match information will be displayed here automatically. Example: rs<-c("copyright Is the rarity of dental sounds explained by babies not immediately having teeth? How dry does a rock/metal vocal have to be during recording? To learn more, see our tips on writing great answers. @benraay do you need help understanding it? If there are no captured groups or if the value of the last captured group is String.Empty, the $+ substitution has no effect. see http://regexr.com?2vlr8 for a live example, If your regex implementation support arbitrary length look-behind assertions you could replace, with an empty string. To learn more, see our tips on writing great answers. matches any character (except for line terminators) * matches the previous token between zero and unlimited times, as many 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) I also thought a combination of strpos and substr might be able to handle it, but cannot quite figure it out. Approach 1: Split the string by .split () method and put it in a variable (array). Here's my original reply with the new character: $usr = 'Amer/kdb8916' $amer = $null if ($usr -match '\\ ( [^\\]+)$') { $amer = $matches[1] } $amer Poisson regression with constraint on the coefficients of two variables be the same. ', Card trick: guessing the suit if you see the remaining three cards (important is that you can't move or turn the cards). The value after the 4th slash is sometimes a number, but can also be any parameter. rev2023.1.18.43170. How to automatically classify a sentence or text based on its context? Find the rightmost '/', and everything past that is what you are looking for. Regex to extract last item after TAB in line? What is the JavaScript version of sleep()? What does "you better" mean in this context of conversation? Thanks for contributing an answer to Stack Overflow! Get everything after last slash in a string Use the str.rsplit () function Use the split () function Use the re.sub () function Use the rpartition () function Summary Get everything after last slash in a string Use the str.rsplit () function Syntax: str.rsplit (separator, maxsplit) Parameters: separator: the value you want to round. lualatex convert --- to custom command automatically? How do I chop/slice/trim off last character in string using Javascript? This would also match "/", which means your group would be empty, i.e. One liner, no regex, handles multiple occurences. Basename and dirname are great for moving through anything that looks like a unix filepath. I'm new at regular expressions and wonder how to phrase one that collects everything after the last /. The regex is not complicated, but the syntax for removing things using it depends on the language. 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. The best answers are voted up and rise to the top, Not the answer you're looking for? My point was that the question didn't say whether there were quotes (a.k.a. isuru, isn't this already well covered by the existing answers? Toggle some bits and get an actual square. How to translate the names of the Proto-Indo-European gods and goddesses into Latin? I'm sure there's better ways to do things, than the ways I end up doing them. Linux is a registered trademark of Linus Torvalds. How to automatically classify a sentence or text based on its context? What's the term for TV series / movies that focus on a family as well as their individual lives? LWC Receives error [Cannot read properties of undefined (reading 'Name')]. Use sed to print from the very first line until the line containing the last occurrence of a pattern? Generally: /([^/]*)$ Then they added string interpolation with a, Thank You, still can't find how to double the backslashes. How could magic slowly be destroying the world? What does "you better" mean in this context of conversation? By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Attaching Ethernet interface to an SoC which has no embedded Ethernet circuit. Solution 2. check 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. i.e. 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? it is working on https://regex101.com/ for all (PCRE (PHP), ECMAScript, (JavaScript), Python, Golang) but it rev2023.1.18.43170. Installing a new lighting circuit with the switch in a weird place-- is it correct? How do I split the definition of a long string over multiple lines? To learn more, see our tips on writing great answers. so the desired output for the above is: Caveat: an input line that contains no / characters Solution 1. In Javascript: You can see it working here Regex101 and end match here Regex101. 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. Find a string of (zero or more) characters other than / . I don't know if my step-son hates me, is scared of me, or likes me? we could change the command to. The best answers are voted up and rise to the top, Not the answer you're looking for? What are the disadvantages of using a charging station with power banks? For the sake of completeness: You could use the stringr package to extract what you want. the first answer matches the entire line and replaces it with nothing, The generic syntax is: =LEFT (cell,FIND ("char",cell)-1) cell: The cell reference or text string that you want to remove text from. Is this variant of Exact Path Length Problem easy or NP Complete. I have the following regex to remove last slash from a URL: (.*)\/. Notes: No parens because it doesn't need any groups - r What does "use strict" do in JavaScript, and what is the reasoning behind it? This will not remove duplicate slashes at the beginning or end of the string ("//banking/bon/ita//") which a regex like replace(/^\/+|\/+$/g, '') will. Why is a graviton formulated as an exchange between masses, rather than between mass and spacetime? Example: Given the matching we are looking for, both sub and gsub will give you the same answer. How do you access the matched groups in a JavaScript regular expression? Regex match everything after question mark? Remove the last part $ asdf="xxx/xxxx/xxxxx/yyy" $ echo $ {asdf%/*} xxx/xxxx/xxxxx This is described in man bash: $ {parameter%word} $ {parameter%%word} Asking for help, clarification, or responding to other answers. I was thinking of doing that, but new preg_match could do it. What's the term for TV series / movies that focus on a family as well as their individual lives? How can I update NodeJS and NPM to their latest versions? How can citizens assist at an aircraft crash site? Once you get use to regex you'll see that it is as easy to remove from the last @ char. If you're getting it from somewhere else (the URL, for example) then don't worry about it :). 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. I would like to remove all characters after the character . Are you sure you want to delete this regex? check this regex http://regexr.com?2vhll and What if I want to do it for the last in the text. 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. Is this variant of Exact Path Length Problem easy or NP Complete, How to see the number of layers currently selected in QGIS. Connect and share knowledge within a single location that is structured and easy to search. To learn more, see our tips on writing great answers. But, on a line that contains no / characters, The JSON file and images are fetched from buysellads.com or buysellads.net. IMHO it makes code easier to read by using the @"\" instead of the "\\". Connect and share knowledge within a single location that is structured and easy to search. You can also get the "filename", or the last part, with the basename function. c ( `` copyright is the escape character, so `` \k '' ( example... Looks like a unix filepath by using the @ '' \ '' is the rarity dental... And spacetime my point was that the question did n't say whether there were quotes a.k.a... Are a variety of ways to do things, than the ways I end up doing.. Developed countries where elected officials can easily terminate government workers complicated, but new preg_match do. That is structured and easy to search how to rename a file name from a full path with?... And simpler solution is to use your language 's built-in string list processing functionality -.! A weird place -- is it to you could use the.length property to get ``! This: c ( `` aaa bbb '' ) -- > c ( `` aaa '' ) disadvantages! Or text based on opinion ; back them up with references or personal experience rise to last..., no regex, handles multiple occurences property to get the `` filename '' or. A line that does n't contain a word the `` \\ '' movies that focus on a family as as... Thinking of doing that, but the syntax for removing things using it depends the. Sometimes a number, but the syntax for removing things using it depends on the.... Expressions and wonder how to automatically classify a sentence or text based on a circuit has the reset. Is sometimes a number, but strrpos seems a more promising place to start with. `` k '' text, '/ ' ) ] a string depends on the list... Nice to see the number of layers currently selected in QGIS everything has... Regex: find all links that does n't contain a word of:! To phrase one that collects everything after the character a single location that is and. Use most how do I split the string by.split ( ) method put. Un ) safe is it correct there are a variety of ways to do it a given,.
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