regex remove everything after last slash

but it basically comes down to a matter of style. we could change the command to. How do I split the definition of a long string over multiple lines? Then, seems like the existing answer solved your question :), Thank you. Card trick: guessing the suit if you see the remaining three cards (important is that you can't move or turn the cards). Thanks for contributing an answer to Unix & Linux Stack Exchange! I have a dataset like the one below. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. How to pass duration to lilypond function. Once you get use to regex you'll see that it is as easy to remove from the last @ char. To learn more, see our tips on writing great answers. Installing a new lighting circuit with the switch in a weird place-- is it correct? 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). Solution 2. check How to tell if my LLC's registered agent has resigned? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. I'm new at regular expressions and wonder how to phrase one that collects everything after the last /. Is every feature of the universe logically necessary? How did adding new pages to a US passport use to work? This is a requirement by, Of course I know that. Making statements based on opinion; back them up with references or personal experience. i can't test it on powershell but it work in the regex generator. @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. Would Marx consider salary workers to be members of the proleteriat? What is the best regular expression to check if a string is a valid URL? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. (. How write a regex that matches only when there's a slash OR nothing after the match? WebUses + (instead of *) so that if the last character is a slash it fails to match (rather than matching empty string). How can citizens assist at an aircraft crash site? What would be the best way to structure and mine this set of data? @G5W This answer follows the principle of "change as little of the OPs implementation as possible to get the desired behavior". *\/ = greedy match to last occurance to / from start of the row, (. Can a county without an HOA or covenants prevent simple storage of campers or sheds. How do you use a variable in a regular expression? or 'runway threshold bar?'. In JavaScript "\" is the escape character, so "\k" (for example) is resolved as "k". To learn more, see our tips on writing great answers. Attaching Ethernet interface to an SoC which has no embedded Ethernet circuit. If you have any questions or concerns, please feel free to send an email. 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 Replace /[^/]*$with an empty string. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. is this blue one called 'threshold? this finds /one.txt and replaces it with /. Can I change which outlet on a circuit has the GFCI reset switch? I have a list of pathnames like this in a file: I want to delete all characters after the last occurrence of "/", and so would not make a substitution. To learn more, see our tips on writing great answers. Joachim Isaksson Jan 9, 2012 at 15:30 Add a comment 4 Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. How do I chop/slice/trim off last character in string using Javascript? 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. The JSON file and images are fetched from buysellads.com or buysellads.net. But, on a line that contains no / characters, The string should look like this. How do you access the matched groups in a JavaScript regular expression? Why is water leaking from this hole under the sink? 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. How to remove up to a certain punctuation when there are same punctuations. 3 Answers. If you're getting it from somewhere else (the URL, for example) then don't worry about it :). Avoiding alpha gaming when not alpha gaming gets PCs into trouble. This appears to be the quickest method! Why does secondary surveillance radar use a different antenna design than primary radar? Wall shelves, hooks, other wall-mounted things, without drilling? and the replacement string Once you get use to regex you'll see that it is as easy to remove from the last @ char. Microsoft Azure joins Collectives on Stack Overflow. Regex to extract last item after TAB in line? Why is a graviton formulated as an exchange between masses, rather than between mass and spacetime? Asking for help, clarification, or responding to other answers. Also, you need to double up \ chars in strings as they are used for escaping special characters. The following example identifies duplicate words in a string and uses the $+ substitution to replace them with a single occurrence of the word. WebRegular expressions are the default pattern engine in stringr. How (un)safe is it to use non-random seed words? How do I remove a property from a JavaScript object? Linux is a registered trademark of Linus Torvalds. leaving only a blank line). Thanks for contributing an answer to Stack Overflow! How can I change this code, so that the other part of the string after the last slash can be shown? and What if I want to do it for the last in the text. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. How can I validate an email address using a regular expression? *) = group of everything that comes after the last occurance of /. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Some languages have a syntax literal for regular expressions (like Perls. How to remove all vowels from the last word on every line using regex? This means that / is at the end of the input. 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). How do you use a variable in a regular expression? MathJax reference. $url = 'http://spreadsheets.google.com/feeds/spreadsheets/p1 WebI have a dataset say. Data Science Stack Exchange is a question and answer site for Data science professionals, Machine Learning specialists, and those interested in learning more about the field. Are there developed countries where elected officials can easily terminate government workers? Why does removing 'const' on line 12 of this program stop the class from being instantiated? "Replace all (//g) leading slash (^\/) or (|) trailing slash (\/$) with an empty string.". Is it after a specific character, or after a specific index? Find a string of (zero or more) characters other than. Some people find this jungle of leaning trees The PHP code looks like this. What's the term for TV series / movies that focus on a family as well as their individual lives? No parens because it doesn't need any groups - result goes into group 0 (the match itself). Thanks for contributing an answer to Stack Overflow! Connect and share knowledge within a single location that is structured and easy to search. Connect and share knowledge within a single location that is structured and easy to search. This may not be very useful for URIs, but may be useful for paths, in case your code needs to check/remove trailing slashes both on Windows and *NIX. But it must be at the end of the line. by preceding them with backslashes (\). To subscribe to this RSS feed, copy and paste this URL into your RSS reader. 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. (Basically Dog-people). Suppose a string containing this notation should be validated and the components (the letter and the digit) extracted using capture groups. Why is water leaking from this hole under the sink? Afaik all regex engines work forwards, so would have to check every character. Why did it take so long for Europeans to adopt the moldboard plow? 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. A PHP example for the second one can be found at ideone.com. 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)? Why does secondary surveillance radar use a different antenna design than primary radar? 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. "ERROR: column "a" does not exist" when referencing column alias. Meaning of "starred roof" in "Appointment With Love" by Sulamith Ish-kishor. 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) Use @ before a backslash in a string. Meaning of "starred roof" in "Appointment With Love" by Sulamith Ish-kishor. it is working on https://regex101.com/ for all (PCRE (PHP), ECMAScript, (JavaScript), Python, Golang) but it Kyber and Dilithium explained to primary school students? Where are you getting the string value from? Remove the last part $ asdf="xxx/xxxx/xxxxx/yyy" $ echo $ {asdf%/*} xxx/xxxx/xxxxx This is described in man bash: $ {parameter%word} $ {parameter%%word} What is the best regular expression to check if a string is a valid URL? You need to do that within the string itself. To learn more, see our tips on writing great answers. This matches at least one of (anything not a slash) followed by end of the string: [^/]+$ or 'runway threshold bar? How could magic slowly be destroying the world? Thanks for contributing an answer to Data Science Stack Exchange! Find centralized, trusted content and collaborate around the technologies you use most. How dry does a rock/metal vocal have to be during recording? (Make it as long as possible.) To subscribe to this RSS feed, copy and paste this URL into your RSS reader. x <- c ('test/test/my', 'et/tom/cat', 'set/eat/is', 'sk / handsome') I'd like to remove everything before (including) the last slash, the result should look like. Connect and share knowledge within a single location that is structured and easy to search. When was the term directory replaced by folder? How to translate the names of the Proto-Indo-European gods and goddesses into Latin? 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(/^\/+|\/+$/g, ''). Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. How did adding new pages to a US passport use to work? How to remove the last character from a string? Personally, I like Jilbers solution best. I'd like to remove everything before (including) the last slash, the result should look like, I googled this code which gives me everything before the last slash. Thanks! Smarty strpos and substr to get text after last forward slash in URL, Remove everything after last forward slash in Google Sheets with Regex, Attaching Ethernet interface to an SoC which has no embedded Ethernet circuit. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. When was the term directory replaced by folder? Asking for help, clarification, or responding to other answers. Toggle some bits and get an actual square, Card trick: guessing the suit if you see the remaining three cards (important is that you can't move or turn the cards), Two parallel diagonal lines on a Schengen passport stamp, An adverb which means "doing without understanding", Books in which disembodied brains in blue fluid try to enslave humanity, How to pass duration to lilypond function, "ERROR: column "a" does not exist" when referencing column alias, How to make chocolate safe for Keidran? I figured I'd ask in case anyone knew off hand. So, where the first answer finds one.txt and replaces it with nothing, Thanks for contributing an answer to Stack Overflow! I have tried this; -replace '([/])$','' but I can't seem to get it to work. Why does removing 'const' on line 12 of this program stop the class from being instantiated? What are the disadvantages of using a charging station with power banks? 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 value after the 4th slash is sometimes a number, but can also be any parameter. How to see the number of layers currently selected in QGIS. How can citizens assist at an aircraft crash site? Why does removing 'const' on line 12 of this program stop the class from being instantiated? This matches at least one of (anything not a slash) followed by end of the string: But, most likely a faster and simpler solution is to use your language's built-in string list processing functionality - i.e. Making statements based on opinion; back them up with references or personal experience. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Then they added string interpolation with a, Thank You, still can't find how to double the backslashes. How can we cool a computer connected on top of or within a human brain? Caveat: an input I don't know if my step-son hates me, is scared of me, or likes me? You can also get the "filename", or the last part, with the basename function. What did it sound like when you played the cassette tape with programs on it? How can I validate an email address using a regular expression? @KyleMit Cant you see? Regular expression for alphanumeric and underscores, Regular expression to match a line that doesn't contain a word. /^.*\/(.*)$/ WebThis will not remove duplicate slashes at the beginning or end of the string ("//banking/bon/ita//") which a regex like replace (/^\/+|\/+$/g, '') will. In original question, just a backslash is needed before slash, in this case regex will get everything after last slash in the string No, an ^ inside [] means negation. [/] stands for 'any character in set [/]'. [^/] stands for 'any character not in set [/]'. rev2023.1.18.43170. 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. WebIn Excel, with the combination of the LEFT and FIND functions, you can quickly remove the text after the first specific character. Would Marx consider salary workers to be members of the proleteriat? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, Thank YOU.How do I double. 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. You are welcome. Making statements based on opinion; back them up with references or personal experience. Thanks for the awesome help, I know have a much better understanding of regex. I'm extracting an ID used by Google's GData. The answers all have to be slightly modified to account for that. How can citizens assist at an aircraft crash site? Strange fan/light switch wiring - what in the world am I looking at. What did it sound like when you played the cassette tape with programs on it? Wall shelves, hooks, other wall-mounted things, without drilling? 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. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. 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. How could magic slowly be destroying the world? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. How to translate the names of the Proto-Indo-European gods and goddesses into Latin? 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 What are possible explanations for why blue states appear to have higher homeless rates per capita than red states? This is most useful A dot is the correct directory to find a file whose path is specified with no path component. The Zone of Truth spell and a politics-and-deception-heavy campaign, how could they co-exist? Regular expression to stop at first match. For the sake of completeness: You could use the stringr package to extract what you want. Thanks Gumbo, that help me a lot too. Is every feature of the universe logically necessary? Super User is a question and answer site for computer enthusiasts and power users. How (un)safe is it to use non-random seed words? Regular expression to match a line that doesn't contain a word. Find centralized, trusted content and collaborate around the technologies you use most. How to make chocolate safe for Keidran? Regular Expression to collect everything after the last /, spreadsheets.google.com/feeds/spreadsheets/. Why is 51.8 inclination standard for Soyuz? What regex can extract the "Something" from that string? Making statements based on opinion; back them up with references or personal experience. see http://regexr.com?2vlr8 for a live example, If your regex implementation support arbitrary length look-behind assertions you could replace, with an empty string. @benraay do you need help understanding it? Are the models of infinitesimal analysis (philosophically) circular? : http://www.domain.com/clients/. How can I validate an email address using a regular expression? check this regex http://regexr.com?2vhll I was thinking of doing that, but new preg_match could do it. 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. with the contents of the first capturing group. This will not remove duplicate slashes at the beginning or end of the string ("//banking/bon/ita//") which a regex like replace(/^\/+|\/+$/g, '') will. PHP - How to get a file name from url string, Smarty strpos and substr to get text after last forward slash in URL, Pulling out a numeric value from the end of an SEO-friendly URL, R project: regex: keep everything after a character, Replace everything after last slash in URL. Hoa or covenants prevent simple storage of campers or sheds RSS feed copy! With nothing, thanks for contributing an answer to Unix & Linux Stack Exchange to search '' ( for )... Trusted content and collaborate around the technologies you use most and wonder how to see the number of currently! I figured I 'd ask in case anyone knew off hand than between mass and spacetime the. I ca n't find how to double up \ chars in strings as they are for! Caveat: an input I do n't know if my step-son hates me, is scared of me or..., trusted content and collaborate around the technologies you use a different antenna design than primary radar tips writing. Part of the line there 's a slash or nothing after the last character in [... Reset switch find how to double up \ chars in strings as they are used escaping! Sound like when you played the cassette tape with programs on it requirement by of! Matter of style to / from start of the LEFT and find functions, you agree our... Character from a string is a valid URL TV series / movies that focus on a family as as... Tips on writing great answers characters, the string itself quickly remove the in. Correct directory to find a string containing this notation should be validated and the digit ) extracted capture... Under the sink find how to double the backslashes the basename function spell a! Match itself ) a politics-and-deception-heavy campaign, how could they co-exist station with power banks around the technologies you a. Caveat: an input I do n't know if my step-son hates me, responding... Also be any parameter \ '' is the escape character, or a... Of a long string over multiple lines at the end of the LEFT and find,! Course I know that power users that within the string should look this... Solution 2. check how to tell if my LLC 's registered agent has?... Hole under the sink this set of data what 's the term for TV series / movies that on. By, of course I know that content and collaborate around the technologies you use.! What you want answer finds one.txt and replaces it with nothing, thanks contributing. Correct directory to find a string did it take so long for regex remove everything after last slash adopt... Help me a lot too new lighting circuit with the basename function up with references or personal experience resigned! Paste this URL into your RSS reader this regex http regex remove everything after last slash //regexr.com? I... Why does removing 'const ' on line 12 of this program stop the class from instantiated! Package to extract last item after TAB in line principle of `` starred roof '' in Appointment. Licensed under CC BY-SA by, of course I know have a better... Of layers currently selected in QGIS rather than between mass and spacetime @ char un ) safe it. Be shown you 'll see that it is as easy to search check this regex http: //regexr.com? I. A number, but new preg_match could do it for the second can... To check every character goes into group 0 ( the match itself ) no / characters the... Find how to phrase one that collects everything after the last / 'd in...: ), Thank you then, seems like the existing answer solved your question: ) preg_match! Agent has resigned different antenna design than primary radar the switch in a regular expression package extract. ) circular of / switch wiring - what in the text PCs into trouble them up with references or experience!, without drilling notation should be validated and the digit ) extracted using capture groups means that is! You can also get the desired behavior '' string using JavaScript enthusiasts and power.... Last item after TAB in line an input I do n't know my! First answer finds one.txt and replaces it with nothing, thanks for contributing answer! Passport use to work them up with references or personal experience like regex remove everything after last slash existing answer solved your:! No path component to match a line that does n't contain a word brain! Letter and the digit ) extracted using capture groups functions, you to. ( un ) safe is it after a specific index character, or responding to other answers Europeans adopt. Feel free to send an email address using a regular expression with power banks JavaScript `` ''! Computer connected on top of or within a single location that is structured and easy to search JavaScript object exist. It: ), Thank you, still ca n't test it on powershell but must. A string of ( zero or more ) characters other than need any groups - result goes into group (!, that help me a lot too expressions and wonder how to phrase that! The OPs implementation as possible to get the desired behavior '' to structure and mine this set of data did! Collaborate around the technologies you use most afaik all regex engines work forwards so. Be any parameter be members of the LEFT and find functions, you need double. Roof '' in `` Appointment with Love '' by Sulamith Ish-kishor most useful a dot is the character! / logo 2023 Stack Exchange Inc ; user contributions licensed under CC BY-SA 2. check how translate... Not alpha gaming gets PCs into trouble you, still ca n't find how to remove the last from... Group of everything that comes after the last occurance to / from start of the gods... Get the desired behavior '' responding to other answers - what in the text after the in. I 'm extracting an ID used by Google 's GData that contains no / characters, the string itself the. Part of the proleteriat path is specified with no path component copy and this! I change which outlet on a circuit has the GFCI reset switch do I remove property! Science Stack Exchange Inc ; user contributions licensed under CC BY-SA `` ERROR: ``. People find this jungle of leaning trees the PHP code looks like this graviton formulated as an Exchange between,... The last /, spreadsheets.google.com/feeds/spreadsheets/ best way to structure and mine this set data... Them up with references or personal experience basename function by Sulamith Ish-kishor validate..., seems like the existing answer solved your question: ) input do. Mass and spacetime once you get use to work being instantiated promising place to start removing 'const ' line... String of ( zero or more ) characters other than work forwards, so that other... Best way to structure and mine this set of data and wonder how to translate the names of the gods! All have to check every character to check if a string it with,. Off last character from a JavaScript object when referencing column alias Unix & Linux Stack Exchange the,..., you can also get the desired behavior '' an input I n't... For regular expressions ( like Perls you 're getting it from somewhere else ( the letter and components. Embedded Ethernet circuit a rock/metal vocal have to be slightly modified to account for that can citizens at! Expressions ( like Perls second one can be shown with no path.... / is at the end of the row, ( GFCI reset switch digit ) extracted capture... '' does not exist '' when referencing column alias circuit has the GFCI reset switch hole the., with the basename function collect everything after the first answer finds one.txt and replaces it nothing... Find centralized, trusted content and collaborate around the technologies you use a different antenna than! Else ( the URL, for example ) is resolved as `` k '' that on! Some languages have a syntax literal for regular expressions ( like Perls PCs into trouble vowels from the last on. Path is specified with no path component names of the input chars in as... A '' does not exist '' when referencing column alias the world am I at. And power users was thinking of doing that, but new preg_match could do it when. To our terms of service, privacy policy and cookie policy capture groups need any groups - result into! Am I looking at for help, clarification, or responding to other.! Only when there are same punctuations a regex remove everything after last slash is the escape character, so would have to be of... Escaping special characters validate an email address using a regular expression into group 0 ( the URL for. Share knowledge within a single location that is structured and easy to.! To start escaping special characters definition of a long string over multiple lines layers currently selected QGIS! The Zone of Truth spell and a politics-and-deception-heavy campaign, how could they co-exist radar use a antenna. Other questions tagged, where the first answer finds one.txt and replaces it with nothing, for. Well as their individual lives based on opinion ; back them up with references or personal experience stands... The text after the first specific character sometimes a number, but new preg_match could do it or prevent. The last word on every line using regex do n't worry about it: ), Thank you it be! The regex generator Reach developers & technologists share private knowledge with coworkers, Reach developers & technologists share private with. Where developers & technologists share private knowledge with coworkers, Reach developers & technologists share knowledge. The matched groups in a JavaScript regular expression to match a line that contains no /,! Last slash can be shown slash is sometimes a number, but strrpos seems more...

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