Regex to extract last item after TAB in line? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. If you're using sed for example, you could do this to output everything before the last slash: I need a regex that will find everything in a string up to and including the last \ or /. With a regular expression, you can easily match characters, words, or patterns within text. Why does this journey to the moon take so long? Description example newStr = extractBefore (str,pat) extracts the substring that begins with the first character of str and ends before the substring specified by pat. What would a potion that increases resistance to damage actually do to the body? I need a regular expression to basically get the first part of a string, before the first slash (). Do you really need it to be a RegEx? Find centralized, trusted content and collaborate around the technologies you use most. excludes every comments, and matches command even if it has spaces in the beginning. To match until a specific character occurs use . Not the answer you're looking for? Removing data before the last forward slash in a string. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Regex to remove everything before second to last forward slash, How terrifying is giving a conference talk? Regular Expression for getting last string after last slash and replace first two letters, Match text separated by SINGLE forward slash only, Rivers of London short about Magical Signature. yeah.. and it's not filesystem, it's amazon S3 i'm using - i concat. You are aware that .NET's file handling classes do this a lot more elegantly, right? Copy + Paste this in http://regexpal.com/, See here with ruby regex tester: http://rubular.com/r/uoLLvTwkaz, Image using javascript regex, but it works out the same. ago. Alteryx Designer Desktop Discussions. What does "use strict" do in JavaScript, and what is the reasoning behind it? How "wide" are absorption and emission lines? To learn more, see our tips on writing great answers. The last answer of leon is/([^/]*)/[^/]*$, but this captures everything after the last / as well, and also includes the first /. But get an "unrecognized escape in character string" error. In contrast this regex expression will math on the characters after the last underscore in a world ^(. Then we do not match the slash itself with [^/] and we match everything till the end (*$). Find centralized, trusted content and collaborate around the technologies you use most. A direct answer to your question would be: Or, since your strings are pretty straightforward, you can avoid regexes altogether: Look in the first (and only) group, it'll have the last item. (Ep. How "wide" are absorption and emission lines? Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood, Temporary policy: Generative AI (e.g., ChatGPT) is banned. What happens if a professor has funding for a PhD student but the PhD student does not come? As I am fond of saying: Regular expressions are not a magic wand you wave at every problem that happens to involve strings. A conditional block with unconditional intermediate code. The matched slash will be the last one because of the greediness of the .*. Are high yield savings accounts as secure as money market checking accounts? How "wide" are absorption and emission lines? Using a named group capture allows you to define a name for each part of regular expression you are interested in capturing that you can reference later to get at its value. Does the Granville Sharp rule apply to Titus 2:13 when dealing with "the Blessed Hope? Why Extend Volume is Grayed Out in Server 2016? Connect and share knowledge within a single location that is structured and easy to search. Why does awk -F work for most letters, but not for the letter "t"? Also, if you are parsing file paths you will probably find that your language already has a library that does this. Making statements based on opinion; back them up with references or personal experience. based on @Mark Rushakoff's answer the best solution for different cases: Thanks for contributing an answer to Stack Overflow! That seems overkill for this problem. Why did the subject of conversation between Gingerbread Man and Lord Farquaad suddenly change? Supports JavaScript & PHP/PCRE RegEx. I'm extracting an ID used by Google's GData. 2013/07/31/a-new-health-care-approach-dont-hide-the-price, http://nytimes.com/2013/07/31/a-new-health-care-approach-dont-hide-the-price should return Thanks for contributing an answer to Stack Overflow! I'm running the same assumption you are, that the request is to delete everything from start of file, not start of each line. I'm sure there's better ways to do things, than the ways I end up doing them. How is the pion related to spontaneous symmetry breaking in QCD? . How can I match "anything up until this sequence of characters" in a regular expression? How do you think URI does it? If you don't already have an account, Register Now. The last 2 commands require a little explanation. Can you tell why it would not match. Remove everything before the first forward slash in the url Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing. The output: Good answer. Find a string using regex with forward slashes in it Match elements of a url. 2013/07/31/a-new-health-care-approach-dont-hide-the-price. .*\/.*\/. It's possible you might need to strip off http:/ from the front. Just in case someone else comes across this thread and is looking for a simple JS solution: first, lets match everything that has a slash at the end, ok? * Match any character greedily [\\\/] Match a backslash or a forward slash ) End the capturing group The matched slash will be the last one because of the greediness of the . I would need "somebucketname" -1. javascript. Distances of Fermat point from vertices of a triangle. Validate an ip address. How to check whether a string contains a substring in JavaScript? match whole word. I found this topic although I was looking for a PHP solution. Conclusions from title-drafting and question-content assistance experiments How to get number after last slash using regex? Find centralized, trusted content and collaborate around the technologies you use most. How terrifying is giving a conference talk? What is Catholic Church position regarding alcohol? Making statements based on opinion; back them up with references or personal experience. How to check whether a string contains a substring in JavaScript? Multiplication implemented in c++ with constant time, Adding salt pellets direct to home water tank. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. The PHP code looks like this. 589). template.queryselector or queryselectorAll is returning undefined, Do symbolic integration of function including \[ScriptCapitalL]. 04-13-2022 02:06 PM. 1. . Powershell Remove all text after second last instance of rev2023.7.14.43533. Does the Granville Sharp rule apply to Titus 2:13 when dealing with "the Blessed Hope? 1 Answer Sorted by: 2 With grep: grep -oP ' (?<=\\) [^\\ ]+' file -o prints only the matching pattern. Find the rightmost '/', and everything past that is what you are looking for. The Overflow #186: Do large language models know what theyre talking about? What would a potion that increases resistance to damage actually do to the body? I basically set up three matches from 2XXX up to (in this order): I'm pretty sure that some parentheses were not needed but I just copy pasted. Regex for matching everything before trailing slash, or first question mark? rev2023.7.14.43533. Because those are greedy (the term should be handled by every regex tuturioal), append a ?. No parens because it doesn't need any groups - result goes into group 0 (the match itself). How to trim string start from back until dash? need to get everything after 2nd dash in string? Why can you not divide both sides of the equation, when working with exponential functions? [^/] will match anything BUT /, \w is short for [0-9a-zA-Z_]. You can still take a look, but it might be a bit quirky. It also captures the part after the first. Regex: Find all links that doesn't have one / (slash). Asking for help, clarification, or responding to other answers. (Ep. See how you can access these in your language. The syntax for the group capture is "(?xxSome Regex Expressionxx). Where do 1-wire device (such as DS18B20) manufacturers obtain their addresses? Match html tag. What's the significance of a C function declaration in parentheses apparently forever calling itself? Match an email address. * [/@]", "", x) Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. There heaps of different ways to do things in php. (Ep. 1 Answer. Regex to remove everything before second to last forward slash Ask Question Asked 4 years, 5 months ago Modified 4 years ago Viewed 17k times -1 Here is an example string https://www.facebook.com/pages/Something/976313416535/ What regex can extract the " Something " from that string? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. To grab the end of a file path, you could use simply basename(). The second pattern [^\\ ]+ follows the backslash and contains all characters, but no backslashes and no spaces. Making statements based on opinion; back them up with references or personal experience. Regular Expression to collect everything after the last /, spreadsheets.google.com/feeds/spreadsheets/. Regular expression to retrieve everything before first slash And also yourString.Substring(yourString.LastIndexOf('\')); for the second example. The Overflow #186: Do large language models know what theyre talking about? @jasonbar - The ungreedy flag would need to be set otherwise in the first example it would catch everything up to MyFile.zip, whereas alex only wants C:. Find position of last occurrence of a char in a string. What does "rooting for my alt" mean in Stranger Things? How would life, that thrives on the magic of trees, survive in an area with limited trees? The Overflow #186: Do large language models know what theyre talking about? Where do 1-wire device (such as DS18B20) manufacturers obtain their addresses? Making statements based on opinion; back them up with references or personal experience. Distances of Fermat point from vertices of a triangle, Most appropriate model fo 0-10 scale integer data. 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. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. How do I match a regex in which the next non-space character is not a "/"? The best answers are voted up and rise to the top, Not the answer you're looking for? Denys Fisher, of Spirograph fame, using a computer late 1976, early 1977, An exercise in Data Oriented Design & Multi Threading in C++. What could be the meaning of "doctor-testing of little girls" by Steinbeck? Related. rev2023.7.14.43533. Non-greedy quantifiers don't guarantee the shortest possible match, because they only affect where the match. 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. 589). The last answer of leon is/([^/]*)/[^/]*$, but this captures everything after the last / as well, and also includes the first /. is a positive lookahead which matches the backslash \\, but it is not part of the matching pattern. Do any democracies with strong freedom of expression have laws against religious desecration? How do I get a file name from a full path with PHP? 0. that's the part we don't want, . ruby - Regex for matching everything before trailing slash, or first Thanks for contributing an answer to Stack Overflow! By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. Zerk caps for trailer bearings Installation, tools, and supplies. 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. Please don't use Regex for this. Regular expressions (also known as regex) are a concise and flexible way to search and replace within text strings. How many witnesses testimony constitutes or transcends reasonable doubt? The Overflow #186: Do large language models know what theyre talking about? Do symbolic integration of function including \[ScriptCapitalL].