regex remove everything after last slash

rev2023.1.17.43168. and the replacement string is this blue one called 'threshold? Or explode and array_pop, split the string at the / and get just the last part. Looking to protect enchantment in Mono Black. Double-sided tape maybe? Generally: /([^/]*)$ Also, you need to double up \ chars in strings as they are used for escaping special characters. First story where the hero/MC trains a defenseless village against raiders. It removes /clients. and then replaces them with a / Use the .length property to get the length of the array. 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). Regex to extract last item after TAB in line? And to embed quotes, escape them as e.g. lualatex convert --- to custom command automatically? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. (in effect, leaving the final / in the input line alone). Word of warning - this is not as fast as other snippets here. Can I change which outlet on a circuit has the GFCI reset switch? Hello, with CharIndex you can get the position of slash, with SubString the part from position on Notes: No parens because it doesn't need any groups - r Replace /[^/]*$with an empty string. Just in case that someone needs a premature optimization here http://jsperf.com/remove-leading-and-trailing-slashes/5, you can check with str.startsWith and str.endsWith You can basically just move where the parentheses are in the regex you already found: To have it in one sentence, you could paste it: This is replaced by \\1, hence the content of the first captured group. Examples_Split_Trim_Substring_Remove_Left_Right.xaml (30.8 KB) How could magic slowly be destroying the world? For the sake of completeness: You could use the stringr package to extract what you want. Why is sending so few tanks Ukraine considered significant? I figured I'd ask in case anyone knew off hand. with the contents of the first capturing group. ^ = start of the row .*\/ = greedy match to last occurance to / from start of the row (.*) = group of everything that comes after Then, seems like the existing answer solved your question :), Thank you. This would give you the pathnames of each parent directory in the list. Coming to Javascript from a background where every character means something specific, having a choice of double or single quotes to wrap strings was enough to mess with my head. To learn more, see our tips on writing great answers. To learn more, see our tips on writing great answers. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, Thank YOU.How do I double. An adverb which means "doing without understanding", Poisson regression with constraint on the coefficients of two variables be the same. If you don't want that consider /([^/]+)$ instead. How do I make the first letter of a string uppercase in JavaScript? Approach 1: Split the string by .split () method and put it in a variable (array). is this blue one called 'threshold? I'm sure there's better ways to do things, than the ways I end up doing them. Wall shelves, hooks, other wall-mounted things, without drilling? Asking for help, clarification, or responding to other answers. Why is water leaking from this hole under the sink? An explanation of your regex will be automatically generated as you type. Example instead of using "C:\\Mypath\\MyFile" use @"C:\MyPath\MyFile" Just be sure to put the @ symbol before the opening quotes. Making statements based on opinion; back them up with references or personal experience. Asking for help, clarification, or responding to other answers. If you are using one of those flavors, you can use: But it will capture the last slash in $0. Regular expression for alphanumeric and underscores, Regular expression to match a line that doesn't contain a word. Get all unique values in a JavaScript array (remove duplicates), Attaching Ethernet interface to an SoC which has no embedded Ethernet circuit. matches any character, * repeats this any number of times (including zero) and : matches a colon. Some languages have a syntax literal for regular expressions (like Perls. Not the answer you're looking for? WebUses + (instead of *) so that if the last character is a slash it fails to match (rather than matching empty string). Can state or city police officers enforce the FCC regulations? @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. I don't know if my step-son hates me, is scared of me, or likes me? Kyber and Dilithium explained to primary school students? 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). 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. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. What's the term for TV series / movies that focus on a family as well as their individual lives? Regular Expression, remove everything after last forward slash. 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. so the desired output for the above is: Caveat: an input line that contains no / characters How we determine type of filter with pole(s), zero(s)? By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. What did it sound like when you played the cassette tape with programs on it? 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. It removes /clients. Can I change which outlet on a circuit has the GFCI reset switch? @Martijn I understand completely. Toggle some bits and get an actual square. How can citizens assist at an aircraft crash site? If it does not, you can replace. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. WebAssert that the Regex below does not match . A dot is the correct directory to find a file whose path is specified with no path component. Regular Expression, remove everything after last forward slash, Microsoft Azure joins Collectives on Stack Overflow. 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. Installing a new lighting circuit with the switch in a weird place-- is it correct? In the Pern series, what are the "zebeedees"? it is working on https://regex101.com/ for all (PCRE (PHP), ECMAScript, (JavaScript), Python, Golang) but it Make "quantile" classification with an expression, LWC Receives error [Cannot read properties of undefined (reading 'Name')]. 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. No parens because it doesn't need any groups - result goes into group 0 (the match itself). $url = 'http://spreadsheets.google.com/feeds/spreadsheets/p1 regexpowershell. Sub-stringing the URL would faster and would avoid importing regex support. How to translate the names of the Proto-Indo-European gods and goddesses into Latin? How did adding new pages to a US passport use to work? I need a 'standard array' for a D&D-like homebrew game, but anydice chokes - how to proceed? Please enable JavaScript to use this web application. Your original question specified the forward slash, but it looks like you're actually dealing with a backslash (ie, "AMER\UserName"). lualatex convert --- to custom command automatically? Regular expression for alphanumeric and underscores, Regular expression to match a line that doesn't contain a word. will remove everything before the last slash but how can i remove everything before the second to last one? For the regex, . 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. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Making statements based on opinion; back them up with references or personal experience. How do you use a variable in a regular expression? How do you access the matched groups in a JavaScript regular expression? What does "you better" mean in this context of conversation? regex delete character before slash javascript remove string before last slash javascript remove slash + line break + js strip slashes in javascript javascript remove slash javascript remove everything after last slash trim slashes from end of string js how to remove forward slash from string using javascript If someone could help me, I would be very grateful. Kyber and Dilithium explained to primary school students? "Replace all (//g) leading slash (^\/) or (|) trailing slash (\/$) with an empty string.". Why is 51.8 inclination standard for Soyuz? How write a regex that matches only when there's a slash OR nothing after the match? Is this variant of Exact Path Length Problem easy or NP Complete. @PlatinumAzure - That is on the todo list! Solution 1. Not the answer you're looking for? I have a list of pathnames like this in a file: I want to delete all characters after the last occurrence of "/", How to translate the names of the Proto-Indo-European gods and goddesses into Latin? Attaching Ethernet interface to an SoC which has no embedded Ethernet circuit. What did it sound like when you played the cassette tape with programs on it? @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. I have a dataset like the one below. How can I update NodeJS and NPM to their latest versions? Double-sided tape maybe? To learn more, see our tips on writing great answers. Find centralized, trusted content and collaborate around the technologies you use most. Something). Here's my original reply with the new character: $usr = 'Amer/kdb8916' $amer = $null if ($usr -match '\\ ( [^\\]+)$') { $amer = $matches[1] } $amer Making statements based on opinion; back them up with references or personal experience. Any thoughts on how I could do this? Thanks for contributing an answer to Super User! How do you use a variable in a regular expression? In the Pern series, what are the "zebeedees"? Thanks for contributing an answer to Stack Overflow! Thanks for the awesome help, I know have a much better understanding of regex. 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.