Find position of last occurrence of a char in a string. lualatex convert --- to custom command automatically? Why is sending so few tanks Ukraine considered significant? How to tell if my LLC's registered agent has resigned? Thanks! an empty ID. Find centralized, trusted content and collaborate around the technologies you use most. Is the rarity of dental sounds explained by babies not immediately having teeth? It only takes a minute to sign up. 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) Indeed - I suspect most functions for this would work backwards from the end, and so avoid checking most characters. and let a line with no slashes pass through unchanged, 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. Can I (an EU citizen) live in the US if I marry a US citizen? This is the same as the first answer, Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. And to embed quotes, escape them as e.g. 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 This would give you the pathnames of each parent directory in the list. Sub-stringing the URL would faster and would avoid importing regex support. 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, JS remove everything after the last occurrence of a character. But it must be at the end of the line. How do I remove a property from a JavaScript object? How we determine type of filter with pole(s), zero(s)? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Replace /[^/]*$with an empty string. Solution 2. check Asking for help, clarification, or responding to other answers. How to see the number of layers currently selected in QGIS, Strange fan/light switch wiring - what in the world am I looking at, Avoiding alpha gaming when not alpha gaming gets PCs into trouble. The JSON file and images are fetched from buysellads.com or buysellads.net. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Regex to remove everything before second to last forward slash, Microsoft Azure joins Collectives on Stack Overflow. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Is the rarity of dental sounds explained by babies not immediately having teeth? I've edited my answer to include this case as well. @Sardine: You could try to benchmark it yourself and find out :-) I would consider it highly probable that this is faster than regex. I was thinking of doing that, but new preg_match could do it. Making statements based on opinion; back them up with references or personal experience. but then it would have to be. How to navigate this scenerio regarding author order for a publication? For the given list, it would produce. How to translate the names of the Proto-Indo-European gods and goddesses into Latin? my I have tried this; -replace '([/])$','' but I can't seem to get it to work. $s = explode("/",$str); 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. How can citizens assist at an aircraft crash site? lualatex convert --- to custom command automatically? Why does secondary surveillance radar use a different antenna design than primary radar? Where are you getting the string value from? rev2023.1.17.43168. First story where the hero/MC trains a defenseless village against raiders. Can I (an EU citizen) live in the US if I marry a US citizen? Two parallel diagonal lines on a Schengen passport stamp. Your regex has been permanently saved and may be accessed with this link by anybody you give it to. rev2023.1.17.43168. A dot is the correct directory to find a file whose path is specified with no path component. 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. Consider this: c(" aaa bbb") --> c( " aaa"). Why did it take so long for Europeans to adopt the moldboard plow? Here's my original reply with the new character: $usr = 'Amer/kdb8916' $amer = $null if ($usr -match '\\ ( [^\\]+)$') { $amer = $matches[1] } $amer Regular expression for alphanumeric and underscores, Regular expression to match a line that doesn't contain a word. How write a regex that matches only when there's a slash OR nothing after the match? Letter of recommendation contains wrong name of journal, how will this hurt my application? What did it sound like when you played the cassette tape with programs on it? In algorithms for matrix multiplication (eg Strassen), why do we say n is equal to the number of rows and not the number of elements in both matrices? Connect and share knowledge within a single location that is structured and easy to search. "ERROR: column "a" does not exist" when referencing column alias. If you are using one of those flavors, you can use: But it will capture the last slash in $0. What is the best regular expression to check if a string is a valid URL? Connect and share knowledge within a single location that is structured and easy to search. 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. 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. What does and doesn't count as "mitigating" a time oracle's curse? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Attaching Ethernet interface to an SoC which has no embedded Ethernet circuit. Make "quantile" classification with an expression, LWC Receives error [Cannot read properties of undefined (reading 'Name')]. rev2023.1.17.43168. 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. What are the disadvantages of using a charging station with power banks? it is working on https://regex101.com/ for all (PCRE (PHP), ECMAScript, (JavaScript), Python, Golang) but it refused to work within notepad+ find replace. 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. 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. Thanks! How to tell if my LLC's registered agent has resigned? Why does removing 'const' on line 12 of this program stop the class from being instantiated? Wall shelves, hooks, other wall-mounted things, without drilling? based on @ Mark Rushakoff 's answer the best solution for different cases: