will be totally wiped out Reference What does this symbol mean in PHP? Also, this answer turns lines with no, @Scott It depends on what you want to use the result for. "ERROR: column "a" does not exist" when referencing column alias. Thanks for contributing an answer to Super User! Find centralized, trusted content and collaborate around the technologies you use most. 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. How to get file name from full path with PHP? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. string valuesReq = Regex.Split (x, @"\d+"); it will reurn an array that contain values voltaren,mg and tablet And to get only numbers from you string use string valuesReq = Regex.Split (x, @"\D+"); It will retrun number present in your string, using those you can get indiex and use split after that, And to remove last string use 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 P.S. Meaning of "starred roof" in "Appointment With Love" by Sulamith Ish-kishor. Card trick: guessing the suit if you see the remaining three cards (important is that you can't move or turn the cards). It only takes a minute to sign up. Is every feature of the universe logically necessary? Sed syntax to extract all of text BEFORE last delimiter? Double-sided tape maybe? Did Richard Feynman say that anyone who claims to understand quantum physics is lying or crazy? Letter of recommendation contains wrong name of journal, how will this hurt my application? But it's always nice to see someone answer with the simplest change. Then, seems like the existing answer solved your question :), Thank you. Personally, I like Jilbers solution best. how to remove unwanted characters from data. while this one would not find a match, How did adding new pages to a US passport use to work? This will not remove duplicate slashes at the beginning or end of the string ("//banking/bon/ita//") which a regex like replace(/^\/+|\/+$/g, '') will. For the sake of completeness: You could use the stringr package to extract what you want. rev2023.1.17.43168. How to automatically classify a sentence or text based on its context? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. and so would not make a substitution. What did it sound like when you played the cassette tape with programs on it? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, I modified this to remove any number of leading or trailing slashes, by using "+": replace(/^\/+|\/+$/g, ''). An explanation of your regex will be automatically generated as you type. This is most useful Why are there two different pronunciations for the word Tee? @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. 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. char: The specific separator that you want to remove text based on. How can I validate an email address using a regular expression? Regular expression for alphanumeric and underscores, Regular expression to match a line that doesn't contain a word. my How can citizens assist at an aircraft crash site? Why is 51.8 inclination standard for Soyuz? 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. apostrophes) in the input, or whether they were escaped, and the answer didn't disclose the constraint. @PlatinumAzure - That is on the todo list! I figured I'd ask in case anyone knew off hand. I tried this t.replace("\\","\\\\") it did't work, You only need to do it when you set a string value directly in code, like in the example above. ', 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. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Linux is a registered trademark of Linus Torvalds. How to translate the names of the Proto-Indo-European gods and goddesses into Latin? It's possible you might need to strip off http:/ from the front. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. *\/ = greedy match to last occurance to / from start of the row, (. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. What kind of classification should I use? If someone could help me, I would be very grateful. Much faster. Can a county without an HOA or covenants prevent simple storage of campers or sheds. Christian Science Monitor: a socially acceptable source among conservative Christians? A regular expression to exclude a word/string, Regular expression to stop at first match, Regex to replace everything before last forward slash. Avoiding alpha gaming when not alpha gaming gets PCs into trouble. Not the answer you're looking for? +1 for using non-regex solution. I've edited my answer to include this case as well. How do you access the matched groups in a JavaScript regular expression? Regex to remove only last slash in the URL. Is every feature of the universe logically necessary? Regex: Find all links that doesn't have one / (slash). 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. WebRegular expressions are the default pattern engine in stringr. Get all unique values in a JavaScript array (remove duplicates). Fields on a chess board can be identified as A1-A8 for the first column, B1-B8 for the second column and so on until H1-H8 for the last column. Of course, this also requires that backslashes be escaped. you can replace it with whatever you want. Why does secondary surveillance radar use a different antenna design than primary radar? The following example identifies duplicate words in a string and uses the $+ substitution to replace them with a single occurrence of the word. 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) To learn more, see our tips on writing great answers. but then it would have to be. Generally: /([^/]*)$ And replace it with nothing. In case someone will wonder: you can use Use the .length property to get the length of the array. Another great idea! 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. 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. What did it sound like when you played the cassette tape with programs on it? rev2023.1.17.43168. Card trick: guessing the suit if you see the remaining three cards (important is that you can't move or turn the cards). Where are you getting the string value from? Would Marx consider salary workers to be members of the proleteriat? Can state or city police officers enforce the FCC regulations? to be harder to read and maintain, I have a list of pathnames like this in a file: I want to delete all characters after the last occurrence of "/", Is the rarity of dental sounds explained by babies not immediately having teeth? Find centralized, trusted content and collaborate around the technologies you use most. Meaning of "starred roof" in "Appointment With Love" by Sulamith Ish-kishor. Thanks for contributing an answer to Data Science Stack Exchange! This pattern will not capture the last slash in $0 , and it won't match anything if there's no characters after the last slash. /(?<=\/)([^\/]+)$/ 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). How to tell if my LLC's registered agent has resigned? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. @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. On my box I could just pass the full URL. What does "you better" mean in this context of conversation? Good answer, but there is only one substitution so. Example: rs<-c("copyright Thanks for contributing an answer to Stack Overflow! I imagine regex could handle it, but I'm terrible with it. To learn more, see our tips on writing great answers. 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 How could magic slowly be destroying the world? Is there a regular expression to detect a valid regular expression? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Why is water leaking from this hole under the sink? Smarty strpos and substr to get text after last forward slash in URL, Remove everything after last forward slash in Google Sheets with Regex, Attaching Ethernet interface to an SoC which has no embedded Ethernet circuit. "ERROR: column "a" does not exist" when referencing column alias, Is this variant of Exact Path Length Problem easy or NP Complete. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Did Richard Feynman say that anyone who claims to understand quantum physics is lying or crazy? Is this variant of Exact Path Length Problem easy or NP Complete, How to see the number of layers currently selected in QGIS. Or you could use a combination of strrpos and substr, first find the position of the last occurence and then get the substring from that position up to the end. How to translate the names of the Proto-Indo-European gods and goddesses into Latin? 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. rev2023.1.18.43170. Remove everything after last "_" occurance. Here's my original reply with the new character: $usr = 'Amer/kdb8916' $amer = $null if ($usr -match '\\ ( [^\\]+)$') { $amer = $matches[1] } $amer (in effect, leaving the final / in the input line alone). based on @ Mark Rushakoff 's answer the best solution for different cases: