Thanks for the awesome help, I know have a much better understanding of regex. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. 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. ', Card trick: guessing the suit if you see the remaining three cards (important is that you can't move or turn the cards). Asking for help, clarification, or responding to other answers. Generally: /([^/]*)$ Card trick: guessing the suit if you see the remaining three cards (important is that you can't move or turn the cards). Toggle some bits and get an actual square. I'm looking for everything up to the last - and capturing everything that has a - in it. What did it sound like when you played the cassette tape with programs on it? Use the .length property to get the length of the array. Also, you need to double up \ chars in strings as they are used for escaping special characters. Are there developed countries where elected officials can easily terminate government workers? Making statements based on opinion; back them up with references or personal experience. is this blue one called 'threshold? rev2023.1.17.43168. leaving only a blank line). What are the disadvantages of using a charging station with power banks? I imagine regex could handle it, but I'm terrible with it. How to see the number of layers currently selected in QGIS. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. It's possible you might need to strip off http:/ from the front. the first answer matches the entire line and replaces it with nothing, Making statements based on opinion; back them up with references or personal experience. 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. *) = group of everything that comes after the last occurance of /. Not a PHP programmer, but strrpos seems a more promising place to start. 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. 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). By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. an empty ID. Thanks! An adverb which means "doing without understanding". diamondsea Oct 10, 2017 at 16:10 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. rev2023.1.17.43168. Find a string of (zero or more) characters other than / . I figured I'd ask in case anyone knew off hand. $path = "http://spreadsheets.google.com/feeds/spreadsheets/p1f3JYc by preceding them with backslashes (\). P.S. 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. He updated his previous answer. i can't test it on powershell but it work in the regex generator. It's working,actually I am getting directory path from web service. Meaning of "starred roof" in "Appointment With Love" by Sulamith Ish-kishor. Could you observe air-drag on an ISS spacewalk? How (un)safe is it to use non-random seed words? To learn more, see our tips on writing great answers. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. The answers all have to be slightly modified to account for that. Why does secondary surveillance radar use a different antenna design than primary radar? By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Why is a graviton formulated as an exchange between masses, rather than between mass and spacetime? Once you get use to regex you'll see that it is as easy to remove from the last @ char. *[^\\\/]{1,})([\\\/]{1,}$) 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. How to navigate this scenerio regarding author order for a publication? Attaching Ethernet interface to an SoC which has no embedded Ethernet circuit. The generic syntax is: =LEFT (cell,FIND ("char",cell)-1) cell: The cell reference or text string that you want to remove text from. How (un)safe is it to use non-random seed words? How can I validate an email address using a regular expression? How could magic slowly be destroying the world? Thanks for contributing an answer to Stack Overflow! 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. Sub-stringing the URL would faster and would avoid importing regex support. Please enable JavaScript to use this web application. Making statements based on opinion; back them up with references or personal experience. Remove everything after last "_" occurance. 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. 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. Then, seems like the existing answer solved your question :), Thank you. Suppose a string containing this notation should be validated and the components (the letter and the digit) extracted using capture groups. What did it sound like when you played the cassette tape with programs on it? How Intuit improves security, latency, and development velocity with a Site Maintenance- Friday, January 20, 2023 02:00 UTC (Thursday Jan 19 9PM Were bringing advertisements for technology courses to Stack Overflow, Regular Expression for getting everything after last slash. Can I (an EU citizen) live in the US if I marry a US citizen? lualatex convert --- to custom command automatically? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. It only takes a minute to sign up. For the regex, . $url = 'http://spreadsheets.google.com/feeds/spreadsheets/p1 To learn more, see our tips on writing great answers. lualatex convert --- to custom command automatically? How to automatically classify a sentence or text based on its context? How to translate the names of the Proto-Indo-European gods and goddesses into Latin? is this blue one called 'threshold? Thanks for contributing an answer to Unix & Linux Stack Exchange! Wall shelves, hooks, other wall-mounted things, without drilling? But this is not removing anything. Is it OK to ask the professor I am applying to for a recommendation letter? 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). What is the JavaScript version of sleep()? Not the answer you're looking for? To learn more, see our tips on writing great answers. You can also get the "filename", or the last part, with the basename function. $indexoflastslash = ("NorthWind.ac.uk/Users/Current/IT/Surname, FirstName").lastindexof ('/') PS> "NorthWind.ac.uk/Users/Current/IT/Surname, FirstName".substring (0,$indexoflastslash) 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. The regex is not complicated, but the syntax for removing things using it depends on the language. Browse other questions tagged, 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. To learn more, see our tips on writing great answers. Personally, I like Jilbers solution best. Toggle some bits and get an actual square. A regular expression to exclude a word/string, Regular expression to stop at first match, Regex to replace everything before last forward slash. First story where the hero/MC trains a defenseless village against raiders, Removing unreal/gift co-authors previously added because of academic bullying. then substr if exist. 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. My confusion arises mainly due to, 1) Does parens for pattern matching need to be escaped inside sed regex-es? 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 How can I validate an email address using a regular expression? Is the rarity of dental sounds explained by babies not immediately having teeth? EditSince youre using PHP, you could also use strrchr thats returning everything from the last occurence of a character in a string up to the end. Double-sided tape maybe? with the contents of the first capturing group. @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. Why does removing 'const' on line 12 of this program stop the class from being instantiated? Can state or city police officers enforce the FCC regulations? How do I make the first letter of a string uppercase in JavaScript? Find centralized, trusted content and collaborate around the technologies you use most. 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. (Make it as long as possible.) In the Pern series, what are the "zebeedees"? Is every feature of the universe logically necessary? Consider this: c(" aaa bbb") --> c( " aaa"). but it basically comes down to a matter of style. (Basically Dog-people). To subscribe to this RSS feed, copy and paste this URL into your RSS reader. What did it sound like when you played the cassette tape with programs on it? 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 also supports the forward slash as a path separator), so we could use split-path to return the parent 'directory' path. This is most useful Double-sided tape maybe? Example: Given the matching we are looking for, both sub and gsub will give you the same answer. Update Asking for help, clarification, or responding to other answers. Why is 51.8 inclination standard for Soyuz? How do you access the matched groups in a JavaScript regular expression? but then it would have to be. Regular Expression, remove everything after last forward slash. Regular Expression to collect everything after the last /, spreadsheets.google.com/feeds/spreadsheets/. And this code is for Back button. The value after the 4th slash is sometimes a number, but can also be any parameter. "Replace all (//g) leading slash (^\/) or (|) trailing slash (\/$) with an empty string.". What is the best regular expression to check if a string is a valid URL? @KyleMit Cant you see? 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. 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. Hope it helps. Is every feature of the universe logically necessary? Get value of a string after last slash in JavaScript? WebI have a dataset say. Much faster. Would Marx consider salary workers to be members of the proleteriat? print What does "you better" mean in this context of conversation? You can also get the "filename", or the last part, with the basename function. I suggest using regex replace to get the string you want: Using JavaScript you can simply achieve this. to be harder to read and maintain, Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. The string should look like this. The information is fetched using a JSONP request, which contains the ad text and a link to the ad image. Looking to protect enchantment in Mono Black. Making statements based on opinion; back them up with references or personal experience. Find position of last occurrence of a char in a string. 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. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. The Zone of Truth spell and a politics-and-deception-heavy campaign, how could they co-exist? my 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 We could use / as the delimiter in this command, By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. while this one would not find a match, Are the models of infinitesimal analysis (philosophically) circular? How could magic slowly be destroying the world? Make "quantile" classification with an expression. Is there a regular expression to detect a valid regular expression? The best answers are voted up and rise to the top, Not the answer you're looking for? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. (i.e.,the entire contents of the line will be deleted, Making statements based on opinion; back them up with references or personal experience. Asking for help, clarification, or responding to other answers. 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. Making statements based on opinion; back them up with references or personal experience. 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 UNIX is a registered trademark of The Open Group. That means when you use a pattern matching function with a bare string, its equivalent to wrapping it in a call to regex (): # The regular call: str_extract (fruit, "nana") # Is Card trick: guessing the suit if you see the remaining three cards (important is that you can't move or turn the cards). But it must be at the end of the line. Not the answer you're looking for? What does "you better" mean in this context of conversation? When was the term directory replaced by folder? (Basically Dog-people). rev2023.1.18.43170. If for example the dd300 is always follwed by two slash separated numbers it can be (dd300\/\d+\/\d+,) Where are you getting the string value from? This solution doesn't use regexes. Update Since this is regularly proving useful for others, here's a snippet 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. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. The best answers are voted up and rise to the top, Not the answer you're looking for? Connect and share knowledge within a single location that is structured and easy to search. @rasjani: It depends on the language if you can use that regular expression like I wrote it. What would be the best way to structure and mine this set of data? +1 for using non-regex solution. Avoiding alpha gaming when not alpha gaming gets PCs into trouble. Connect and share knowledge within a single location that is structured and easy to search. 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. Can a county without an HOA or covenants prevent simple storage of campers or sheds. and let a line with no slashes pass through unchanged, Sed syntax to extract all of text BEFORE last delimiter? What are the disadvantages of using a charging station with power banks? Browse other questions tagged, 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, Regex to remove everything before second to last forward slash, 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. How to translate the names of the Proto-Indo-European gods and goddesses into Latin? (in effect, leaving the final / in the input line alone). Examples are for RPA Dev Rookies. Regular expression to stop at first match. The following regular expression would do that. I've edited my answer to include this case as well. One liner, no regex, handles multiple occurences. Your regex has been permanently saved and may be accessed with this link by anybody you give it to. Asking for help, clarification, or responding to other answers. P.P.S. How to get file name from full path with PHP? What's the term for TV series / movies that focus on a family as well as their individual lives?
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