r replace double backslash with single backslashr replace double backslash with single backslash

(Ep. 587), The Overflow #185: The hardest part of software is requirements, Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood, Temporary policy: Generative AI (e.g., ChatGPT) is banned, Testing native, sponsored banner ads on Stack Overflow (starting July 6), Characters with only one possible next character. The \\ are neccessary in that I had to use strcat for certain parts of my code. Use escape characters: "full\\path\\here", "\\" and "\\\\", In python \ (backslash) is used as an escape character. Is there a possibility that an NSF proposal recommended for funding might not be awarded the funds? Making statements based on opinion; back them up with references or personal experience. (Pdb) p fetched_page '. What are you trying to do? I want to replace the double backslashes with single backslashes, so that unicode char codes can be parsed correctly. I want to replace the double backslashes with single backslashes, so that unicode char codes can be parsed correctly. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. If you change >>> a.replace('\\\\', '\\') to >>> print(a.replace('\\\\', '\\')) (which prints the human-friendly form, not the repr), you'll see it display only a single backslash. The non-raw versions of the Ini_GetString functions automatically recognize and remove the escape codes inserted by Ini_PutString ". Use escape characters: "full\\path\\here", "\\" and "\\\\" Short answer: Those are just comments. Why on earth are people paying for digital real estate? When you need to use a backslash in the string in R, you need to put double backslash. This will alert you c:\asd\flkj\klsd\ffjkl, If you want your string to have '\' by default , you should escape it .. Use escape() function. Find centralized, trusted content and collaborate around the technologies you use most. If magic is programming, then what is mana supposed to be? To have a backslash in your string , you should do something like this.. What is this military aircraft I saw near Catalina island? 587), The Overflow #185: The hardest part of software is requirements, Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood, Temporary policy: Generative AI (e.g., ChatGPT) is banned, Testing native, sponsored banner ads on Stack Overflow (starting July 6), JavaScript unable to parse string serialized with Gson from Java. Were Patton's and/or other generals' vehicles prominently flagged with stars (and if so, why)? How to replace double backslash to single backslash Thanks to @ShadowRanger's reply, so if print the string after the replace operation, it is working expected, however, in my case I need to concat the post-replacement to generate another variable (conn_str), as you can see, it is still showing double backslash. Escape til infinity removing or replacing backslashes in a string can be burdensome in any programming language, if youre not familiar what regex library is below the hood. 1 example has single backslash already. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Verb for "Placing undue weight on a specific factor when making a decision", Brute force open problems in graph theory. How to replace "\" with "\\" from a string using Javascript? How do I split the definition of a long string over multiple lines? That is, it needs to be a double backslash. Is it reasonable to re-use a keypair across multiple systems that support the same public key signature system? How do I merge two dictionaries in a single expression in Python? How find only directory in string with gsub (or regex) R, Remove rows with all or some NAs (missing values) in data.frame. Explanation : Now observe that re.escape function on escaping the special chars in the given string we able to add an other backslash before each backslash, and finally the output results in a double backslash, the desired output. They are actually single '\' in the character string, but are printing out as '\\'. Is there a legal way for a country to gain territory from another through a referendum. How do I check whether a file exists without exceptions? How can I do the reverse? Not the answer you're looking for? It still does not give C:\temp$LogFile.txt, string output = path.Replace(@"\\", @"\"); is still giving C:\Hg\temp\\LogFile.txt, How to replace the double backslash with a single backslash, Why on earth are people paying for digital real estate? I've tried a re.sub(r'\\', chr(92)) but chr(92) is a double backslash again. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing. Also, when you use gsub("\\", "/", str), the first argument is parsed as a regex, and it is not valid as it only contains a single literal backslash that must escape something. How can I delete a file or folder in Python? How does it change the soldering wire vs the pure element? My purpose is to transform the file directory strings in windows explorer to the form which is recognizable in R, e.g. The neuroscientist says "Baby approved!" stringi::stri_escape_unicode (x) For example if x is a single unicode character then this will give a 6 character string whose first character is backslash, second is u and next 4 are digits. Countering the Forcecage spell with reactions? Can ultraproducts avoid all "factor structures"? https://pythonconquerstheuniverse.wordpress.com/2008/06/04/gotcha-%E2%80%94-backslashes-are-escape-characters/. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Connect and share knowledge within a single location that is structured and easy to search. In the pattern argument of gsub you need to escape the backslash character, cf. This is just my failed attempt at making a reproducible example. How to replace Double Backslash in single backslash 1.00/5 (1 vote) See more: C# ASP.NET Hi, i am trying to replace double backslash into single backslash.but its not happenuig correctly. 587), The Overflow #185: The hardest part of software is requirements, Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood, Temporary policy: Generative AI (e.g., ChatGPT) is banned, Testing native, sponsored banner ads on Stack Overflow (starting July 6), Reading LaTeX file in R: how to get get of single backslash, Adding a single backslash (\) to a string in R, Escaping a backslash with a backslash in R produces 2 backslashes in a string, not 1. Would a room-sized coil used for inductive coupling and wireless energy transfer be feasible? Replacing backslashes with forward slash within double quotes. That is, it needs to be a double backslash. How do I concatenate two lists in Python? The first is by selecting it via a regex pattern. A valid service agreement may be required. However, when I run it verbatim on the python 2.7.1 interactive terminal, I get '\\u201c\\u3012' as the result instead of '', How to replace a double backslash with a single backslash in python? How do I replace a backslash-double quote with just a double quote? I am trying to replace '/' with '' but the variable returns an odd result. Asking for help, clarification, or responding to other answers. rev2023.7.7.43526. 2. Replace double backslashes with a single backslash in javascript Ajax I have the following problem: I have a script that executes an AJAX request to a server, the server returns C:\backup\ in the preview. I want to create a function to automatically correct single backslashes to double backslashes since R gives an error if you copy paste a path due to a single backslash. Why does gravity-induced quantum interference in quantum mechanics show that gravity is not purely geometric at the quantum level? Making statements based on opinion; back them up with references or personal experience. I mean not to escape ?? Replacing backslashes in Javascript with escaped backslahes, how to replace \ with \\ using javascript string functions. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. How to rename a single column in a data.frame? Non-definability of graph 3-colorability in first-order logic. Python regex to replace double backslash with single backslash 25,960 Solution 1 why not use string.replace ()? Furthermore, the backslash in "pak\istan" also needs to be escaped: However, when R interprets the double slashes (for example, when looking for a file with the . Travelling from Frankfurt airport to Mainz with lot of luggage. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing, It's not gonna like the single back slashes either. R replace single backslash to double backslash. Thanks for any help. How much space did the 68000 registers take up? Air that escapes from tire smells really bad. If your input came from some other source (not the literal you described) and actually has a doubled-backslash, then a.replace('\\\\', '\\') actually worked, but REPL's echo the repr of the object, and for str, that means adding the backslash escape to make it a legal, equivalent str literal, so it looked like a double-backslash, but only had one. >>> s = 'some \\\\ doubles' >>> print s some \\ doubles >>> print s.replace ('\\\\', '\\') some \ doubles Or with "raw" strings: >>> s = r'some \\ doubles' >>> print s some \\ doubles >>> print s.replace ('\\\\', '\\') some \ doubles Connect and share knowledge within a single location that is structured and easy to search. pp, TAB, ENTER to paste into RStudio and convert backslashes to forward slashes. Is it legally possible to bring an untested vaccine to market (in USA)? How can I learn wizard spells as a warlock without multiclassing? How do I replace all occurrences of a string in JavaScript? For example: apostrophe in character constant = ' \' ', quotes in string constant = "he said \"hello\"". Previous . Space elevator from Earth to Moon with multiple temporary anchors. How to play the "Ped" symbol when there's no corresponding release symbol. How to remove double backslash from each element of a vector? Thanks for this one, it's the only solution I found to replace every \\ with \, @ms_py: Doesn't work in Python 3, though; it'd need to be. To learn more, see our tips on writing great answers. Or are they sitting in your text editor/console? However, if you only want to count, roelpeters.be is a website by Roel Peters | thuisbureau.com. Also, are you aware of MakePathname and SplitPath commands to treat pathnames? I'm not sure how you intend the user to input the path into the GUI, but when using readline() and then typing C:\Users\Public unquoted, R reads that in as: We then want to replace "\\" with "/", but to escape the "\\" we need "\\\\" in the gsub. 15amp 120v adaptor plug for old 6-20 250v receptacle? How to replace a double backslash with a single backslash in python? What does that mean? What's the point of using a raw string and then applying that replace. @WiktorStribiew That was just an simplified example. How does the theory of evolution make it less likely that the world is designed? Not really a big deal, since I just thought to replace the double slashes with single ones. What does "Splitting the throttles" mean? what is meaning of thoroughly in "here is the thoroughly revised and updated, and long-anticipated". Remove the single backslash in variant of C#, Short story about the best time to travel back to for each season, summer. it is supposed to be done automatically by the code of the instrument. How does it change the soldering wire vs the pure element? Interesting question, but in reality, you have only one slash symbol. Where is the "flux in core" inside soldering wire? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Replace double backslashes with a single backslash in javascript : r Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing, Replacing a single backslash with a double backslash in R [duplicate], Efficiently convert backslash to forward slash in R, Why on earth are people paying for digital real estate? Asking for help, clarification, or responding to other answers. To fix this you should declare the string like this: then replace all occurrences of %5C with %5C%5C. And besides, what is the advantage of adding an extra argument over adding 2 backslashes, is it faster with, Using a string replacement, no regex object is created and that. Python - String formatting convert escaped characters to literals. [R] gsub: replacing double backslashes with single backslash Jeff Newmiller jdnewmil at dcn.davis.ca.us Thu Mar 8 04:53:09 CET 2012. I have string with file path. This is a "raw" string, and very useful in situations where you need to use lots of backslashes such as with regular expression strings. Provides support for NI data acquisition and signal conditioning devices. Vince. @mdivk: Yes, it is what you needed. My purpose to develop a function which process and transform the directory automatically without manual intervention. From troubleshooting technical issues and product recommendations, to quotes and orders, were here to help. Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing. By the way, if youre having trouble understanding some of the code and concepts, I can highly recommend An Introduction to Statistical Learning: with Applications in R, which is the must-have data science bible. Can I ask a specific person to leave my defence meeting? Figured it's worth a try, to avoid asking a brand new question. What does the "yield" keyword do in Python? In fact, you need to make gsub treat it as a plain text with fixed=TRUE. I have read some questions and answers on this topic in stack overflow but still don't know how to solve this problem: My purpose is to transform the file directory strings in windows explorer to the form which is recognizable in R, e.g. To get a \ in your string variable you need to escape it. Is there a legal way for a country to gain territory from another through a referendum? How to replace the double backslash with a single backslash Replacing \ with / using Regex.Replace C# (Ep. The neuroscientist says "Baby approved!" Backslash headache in str_replace() #394 - GitHub The user might provide \\'s if they are aware of the program's \\ syntax, but if they don't they will provide single \'s. Have ideas from programming helped us create new mathematical proofs? Is there a legal way for a country to gain territory from another through a referendum? If you want to replace \ (backslash) use the following regex ' [\\\\]', that will replace one \ (backslash). CSC401: Regular Expressions - Department of Computer Science What is the number of ways to spell French word chrysanthme . How can the highlighting of a vertical tab when it's clicked be prevented? Characters with only one possible next character. This is not the answer, as the question was not how to replace with a forward slash to begin with. Strings use backlashes as escape characters. How can I learn wizard spells as a warlock without multiclassing? Short story about the best time to travel back to for each season, summer. Are double and single quotes interchangeable in JavaScript? To learn more, see our tips on writing great answers. (Ep. So yeah, the simplest solution would ms4py's answer, calling codecs.escape_decode on the string and taking the result (or the first element of the result if escape_decode returns a tuple as it seems to in Python 3). Why does gravity-induced quantum interference in quantum mechanics show that gravity is not purely geometric at the quantum level? Also why does a basic misunderstanding of escape characters deserve a 50 point bounty? Why add an increment/decrement operator when compound assignnments exist? What is the North American term for sand used in making mortar for laying a sandstone patio? Languages which give you access to the AST to modify during compilation? When you create a string like this: replaceableString = "c:\asd\flkj\klsd\ffjkl"; characters with a \ before are treated as escape sequences. What I am actually writing is a GUI, where the end effect is, the user types or pastes the directory into a entry field, pushes a button and then the program will process it automatically. This is just my failed attempt at making a reproducible example. Where is the "flux in core" inside soldering wire? Connect and share knowledge within a single location that is structured and easy to search. Also check the formatting of your code. How to replace a symbol by a backslash in R? Gah! Asking for help, clarification, or responding to other answers. Is it legally possible to bring an untested vaccine to market (in USA)? Invitation to help writing and submitting papers -- how does this scam work? You're looking at the, No, it doesn't. [R] Replace double slashes with single backslash - ETH Z Can the Secret Service arrest someone who uses an illegal drug inside of the White House? Robert Cline. What would stop a large spaceship from looking like a flying brick? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. How do I merge two dictionaries in a single expression in Python? You can request repair, RMA, schedule calibration, or get technical support. How can I get rid of one backslash in a string in R? Replace double Backslashes with a single Slash - wrong behaviour studio, bestpractices kwoxer (Curtis Mosters) September 24, 2019, 8:39am 1 I want to use a Windows path. I've also tried. Match single backslash in regular expression. Also, note that in C, when you want to specify string or character constants in your code, certain characters must be escaped with a preceeding backslash. So to get the file name in my filepath example above. To learn more, see our tips on writing great answers. What does "Splitting the throttles" mean? You are missing basic understanding how strings work in JavaScript. How should I write a Windows path in a Python string literal? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing. Not the answer you're looking for? Asking for help, clarification, or responding to other answers. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Can ultraproducts avoid all "factor structures"? Asking for help, clarification, or responding to other answers. This is not the only problem that has been solved many many times. the third of which is a >> single backslash, since the 1st \ escapes the 2nd and the R string >> parsing rules use the combination to put a sing backslash in the >> string. Those aren't double backslashes in the string, which is why you can't get rid of them - it's just an artifact of displaying the string. Other than Will Riker and Deanna Troi, have we seen on-screen any commanding officers on starships who are married?