We could use / as the delimiter in this command, @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. What kind of classification should I use? Asking for help, clarification, or responding to other answers. How to translate the names of the Proto-Indo-European gods and goddesses into Latin? this regex will find "something". Making statements based on opinion; back them up with references or personal experience. How to automatically classify a sentence or text based on its context? Is it after a specific character, or after a specific index? Why is water leaking from this hole under the sink? What does "use strict" do in JavaScript, and what is the reasoning behind it? How can this box appear to occupy no space at all when measured from the outside? How to translate the names of the Proto-Indo-European gods and goddesses into Latin? Regular Expression, remove everything after last forward slash. I've edited my answer to include this case as well. How dry does a rock/metal vocal have to be during recording? What would be the best way to structure and mine this set of data? This is most useful Connect and share knowledge within a single location that is structured and easy to search. Can a county without an HOA or covenants prevent simple storage of campers or sheds, Can someone help me identify this bicycle? Thanks! Are the models of infinitesimal analysis (philosophically) circular? Toggle some bits and get an actual square. 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? 3 Answers. Some people find this jungle of leaning trees Thanks for contributing an answer to Stack Overflow! To learn more, see our tips on writing great answers. 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. 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? rev2023.1.18.43170. I'm new at regular expressions and wonder how to phrase one that collects everything after the last /. and What if I want to do it for the last in the text. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. matches any character, * repeats this any number of times (including zero) and : matches a colon. Not the answer you're looking for? Why is 51.8 inclination standard for Soyuz? Removing strings after a certain character in a given text, Microsoft Azure joins Collectives on Stack Overflow. How did adding new pages to a US passport use to work? 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. Regular expression for alphanumeric and underscores, Regular expression to match a line that doesn't contain a word. When was the term directory replaced by folder? Word of warning - this is not as fast as other snippets here. Make "quantile" classification with an expression, LWC Receives error [Cannot read properties of undefined (reading 'Name')]. 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. Making statements based on opinion; back them up with references or personal experience. If someone could help me, I would be very grateful. In Javascript: You can see it working here Regex101 and end match here Regex101. 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. The following regular expression would do that. check this regex http://regexr.com?2vhll Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. 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? I don't know if my step-son hates me, is scared of me, or likes me? How Intuit improves security, latency, and development velocity with a Site Maintenance- Friday, January 20, 2023 02:00 UTC (Thursday Jan 19 9PM Use of ChatGPT is now banned on Super User. How dry does a rock/metal vocal have to be during recording? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. There are a variety of ways to tinker or "improve" a regex. (i.e.,the entire contents of the line will be deleted, This matches at least one of (anything not a slash) followed by end of the string: But, most likely a faster and simpler solution is to use your language's built-in string list processing functionality - i.e. Why is sending so few tanks Ukraine considered significant? I'm looking for everything up to the last - and capturing everything that has a - in it. Double-sided tape maybe? Connect and share knowledge within a single location that is structured and easy to search. 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. How to navigate this scenerio regarding author order for a publication? How we determine type of filter with pole(s), zero(s)? How to remove the last character from a string? WebI have a dataset say. I have the following regex to remove last slash from a URL: (.*)\/. Regex to remove only last slash in the URL. Regular Expression, remove everything after last forward slash, Microsoft Azure joins Collectives on Stack Overflow. rev2023.1.17.43168. Solution 2. check WebIn Excel, with the combination of the LEFT and FIND functions, you can quickly remove the text after the first specific character. Is there a regular expression to detect a valid regular expression? rev2023.1.17.43168. (. P.P.S. How to automatically classify a sentence or text based on its context? Approach 1: Split the string by .split () method and put it in a variable (array). rev2023.1.17.43168. It removes /clients. Christian Science Monitor: a socially acceptable source among conservative Christians? You can also get the "filename", or the last part, with the basename function.
Get value of a string after last slash in JavaScript? What regex can extract the "Something" from that string? Double-sided tape maybe? How do I remove a property from a JavaScript object? What does "you better" mean in this context of conversation? 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. Find centralized, trusted content and collaborate around the technologies you use most. (in effect, leaving the final / in the input line alone). By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Find the rightmost '/', and everything past that is what you are looking for. How can I update NodeJS and NPM to their latest versions? rev2023.1.17.43168. How can citizens assist at an aircraft crash site? 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. I think most people can tell what /^\/|\/$/g does after a few seconds, especially in the context of other non-regex code. Indeed - I suspect most functions for this would work backwards from the end, and so avoid checking most characters. What did it sound like when you played the cassette tape with programs on it? i.e. How can I validate an email address using a regular expression? There heaps of different ways to do things in php. Then they added string interpolation with a, Thank You, still can't find how to double the backslashes. An adverb which means "doing without understanding", Poisson regression with constraint on the coefficients of two variables be the same. Strange fan/light switch wiring - what in the world am I looking at. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Personally, I like Jilbers solution best. 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. so the desired output for the above is: Caveat: an input line that contains no / characters 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 to tell if my LLC's registered agent has resigned? $s = explode("/",$str); I need a 'standard array' for a D&D-like homebrew game, but anydice chokes - how to proceed? Did Richard Feynman say that anyone who claims to understand quantum physics is lying or crazy? How do I get the filename without the extension from a path in Python? or 'runway threshold bar? Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, (1)The question says "delete all characters, @Scott (1) Sure, the only difference between the directory pathname with and without the trailing, @Scott (2) Yes, it is required that literal quotes are escaped in the data. 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. Why does secondary surveillance radar use a different antenna design than primary radar? is this blue one called 'threshold? Use @ before a backslash in a string. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. How can citizens assist at an aircraft crash site? So the last dash is then truly the second to last dash. And replace it with nothing. I figured I'd ask in case anyone knew off hand. Then, seems like the existing answer solved your question :), Thank you. @Martijn I understand completely. Super User is a question and answer site for computer enthusiasts and power users. Not the answer you're looking for? Is the rarity of dental sounds explained by babies not immediately having teeth? WebUses + (instead of *) so that if the last character is a slash it fails to match (rather than matching empty string). Example 1: This example using the approach discussed above. Update Are the models of infinitesimal analysis (philosophically) circular? 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 imagine regex could handle it, but I'm terrible with it. "ERROR: column "a" does not exist" when referencing column alias, Is this variant of Exact Path Length Problem easy or NP Complete. and I would like to remove the first and last slash if it's exists. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Making statements based on opinion; back them up with references or personal experience. you can also normal string split $str = "http://spreadsheets.google.com/feeds/spreadsheets/p1f3JYcCu_cb0i0JYuCu123"; Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, I modified this to remove any number of leading or trailing slashes, by using "+": replace(/^\/+|\/+$/g, ''). I need a 'standard array' for a D&D-like homebrew game, but anydice chokes - how to proceed? and let a line with no slashes pass through unchanged, Wall shelves, hooks, other wall-mounted things, without drilling? "ERROR: column "a" does not exist" when referencing column alias. Regex: Find all links that doesn't have one / (slash). How do you access the matched groups in a JavaScript regular expression? print How can this box appear to occupy no space at all when measured from the outside? The string should look like this. WebRegular expressions are the default pattern engine in stringr. preg_match('([^/]+$)', ". What does "you better" mean in this context of conversation? The value after the 4th slash is sometimes a number, but can also be any parameter. Thanks for contributing an answer to Data Science Stack Exchange! Find centralized, trusted content and collaborate around the technologies you use most. I would like to remove all characters after the character . It looks for a '/', followed by zero or more characters other than a '/', followed by the end of the string. *) = group of everything that comes after the last occurance of /. Can state or city police officers enforce the FCC regulations? Why did it take so long for Europeans to adopt the moldboard plow? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Not the answer you're looking for? Christian Science Monitor: a socially acceptable source among conservative Christians? Regular Expression, remove everything after last forward slash. Kyber and Dilithium explained to primary school students? Please enable JavaScript to use this web application. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. This appears to be the quickest method! Are you sure you want to delete this regex? For the given list, it would produce. How to translate the names of the Proto-Indo-European gods and goddesses into Latin? How could magic slowly be destroying the world? 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. 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. 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. Find centralized, trusted content and collaborate around the technologies you use most. Why did it take so long for Europeans to adopt the moldboard plow? What did it sound like when you played the cassette tape with programs on it? From the array return the element at index = length-1. How to remove all vowels from the last word on every line using regex? Find position of last occurrence of a char in a string. How write a regex that matches only when there's a slash OR nothing after the match? No parens because it doesn't need any groups - result goes into group 0 (the match itself). Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, Thank YOU.How do I double. For the sake of completeness: You could use the stringr package to extract what you want. then substr if exist. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. 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. Find a string of (zero or more) characters other than / . Asking for help, clarification, or responding to other answers. The PHP code looks like this. Meaning of "starred roof" in "Appointment With Love" by Sulamith Ish-kishor. Microsoft Azure joins Collectives on Stack Overflow. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Find centralized, trusted content and collaborate around the technologies you use most. Find centralized, trusted content and collaborate around the technologies you use most. Connect and share knowledge within a single location that is structured and easy to search. Connect and share knowledge within a single location that is structured and easy to search. What is the JavaScript version of sleep()? lualatex convert --- to custom command automatically? this finds /one.txt and replaces it with /. There's no real reason to use a regex here, string functions will work fine: In case if using RegExp is not an option, or you have to handle corner cases while working with URLs (such as double/triple slashes or empty lines without complex replacements), or utilizing additional processing, here's a less obvious, but more functional-style solution: In this snippet filter() function can implement more complex logic than just filtering empty strings (which is default behavior). To subscribe to this RSS feed, copy and paste this URL into your RSS reader. how to remove unwanted characters from data. 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. How to see the number of layers currently selected in QGIS. 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. it is working on https://regex101.com/ for all (PCRE (PHP), ECMAScript, (JavaScript), Python, Golang) but it refused to work within notepad+ find replace. How do you access the matched groups in a JavaScript regular expression? How can citizens assist at an aircraft crash site? My confusion arises mainly due to, 1) Does parens for pattern matching need to be escaped inside sed regex-es? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. . 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. 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: By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. UNIX is a registered trademark of The Open Group. 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. To learn more, see our tips on writing great answers. How can I do that in R? 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. Why did OpenSSH create its own key format, and not use PKCS#8? Good answer, but there is only one substitution so. ^ = start of the row .*\/ = greedy match to last occurance to / from start of the row (.*) = group of everything that comes after (i.e.) How to make chocolate safe for Keidran? How (un)safe is it to use non-random seed words? If you are using one of those flavors, you can use: But it will capture the last slash in $0. He updated his previous answer. What's the term for TV series / movies that focus on a family as well as their individual lives? I'm sure there's better ways to do things, than the ways I end up doing them. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. So in this case, the regex is better IMO. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. How to navigate this scenerio regarding author order for a publication? Regular Expression to collect everything after the last /, spreadsheets.google.com/feeds/spreadsheets/. Is it OK to ask the professor I am applying to for a recommendation letter? Reference What does this symbol mean in PHP? Is every feature of the universe logically necessary? Is the rarity of dental sounds explained by babies not immediately having teeth? Print contents of a file only after last occurrence of a token? Generally: /([^/]*)$ Thank you so much. 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: Get all unique values in a JavaScript array (remove duplicates), Attaching Ethernet interface to an SoC which has no embedded Ethernet circuit. 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? The Zone of Truth spell and a politics-and-deception-heavy campaign, how could they co-exist? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. 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 [/]'. Of course, this also requires that backslashes be escaped. How to make chocolate safe for Keidran? How can I validate an email address using a regular expression? Try regex101.com and enter Remove the last part $ asdf="xxx/xxxx/xxxxx/yyy" $ echo $ {asdf%/*} xxx/xxxx/xxxxx This is described in man bash: $ {parameter%word} $ {parameter%%word} You are welcome. Could you observe air-drag on an ISS spacewalk? and then replaces them with a / How Intuit improves security, latency, and development velocity with a Site Maintenance- Friday, January 20, 2023 02:00 UTC (Thursday Jan 19 9PM removing words based on a predefined vector. to be harder to read and maintain, The following example identifies duplicate words in a string and uses the $+ substitution to replace them with a single occurrence of the word. If applied the regex to the example, it does the work fine, but the problem is when the URL does not have the last slash (it occur from time to time). This would also match "/", which means your group would be empty, i.e. My point was that the question didn't say whether there were quotes (a.k.a. MathJax reference. "Replace all (//g) leading slash (^\/) or (|) trailing slash (\/$) with an empty string.". By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. How do I split the definition of a long string over multiple lines? When was the term directory replaced by folder? How do I remove a property from a JavaScript object? Making statements based on opinion; back them up with references or personal experience. Wall shelves, hooks, other wall-mounted things, without drilling? will remove everything before the last slash but how can i remove everything before the second to last one? Why is sending so few tanks Ukraine considered significant? Regex match everything after question mark? Your original question specified the forward slash, but it looks like you're actually dealing with a backslash (ie, "AMER\UserName"). How do you access the matched groups in a JavaScript regular expression? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. 31,633. Wall shelves, hooks, other wall-mounted things, without drilling? But, most likely a faster and simpler solution is to use your WebThis will not remove duplicate slashes at the beginning or end of the string ("//banking/bon/ita//") which a regex like replace (/^\/+|\/+$/g, '') will. Microsoft Azure joins Collectives on Stack Overflow. 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. Replace Remove Trim, LTrim, RTrim TrimStart TrimEnd Regex.Replace I had prepared a workflow file with examples and Excel file with an explanation of how you can manipulate a part of string in variables. Card trick: guessing the suit if you see the remaining three cards (important is that you can't move or turn the cards). rev2023.1.17.43168. we could change the command to. all characters before the first colon in the line and the colon itself must be removed. WebMethod 1: Using Find and Replace to Remove Text after a Specific Character Method 2: Using a Formula to Remove Text after a Specific Character Method 3: Using VBA to Remove Text after a Specific Character Removing Text after the nth Instance of a Specific Character Removing Text after a Specific Character
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