I tried the following, but no luck. Typo in cover letter of the journal name where my manuscript is currently under review. Not the answer you're looking for? Find centralized, trusted content and collaborate around the technologies you use most. strVar.replaceAll("\"", "\\\\\""); For example take a string which has structure like this--->>>. Table in landscape mode keeps going out of bounds. But it gives a compilation error. Invitation to help writing and submitting papers -- how does this scam work? (Ep. That's fine. Connect and share knowledge within a single location that is structured and easy to search. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing, Your problem is a bit unclear. Replacing double backslash with single backslash. How to replace forward slash with triple forward slash in Java? How to replace multiple slash and backslash in a string with a single one? By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. Non-definability of graph 3-colorability in first-order logic, Property of twice of a vector minus its orthogonal projection. This won't work if there's a mix of back- and forward-slashes. C:\Users\chloe\Documents) but when I want to save them in a property file, it saves it Use Strings replace () method to replace backslash with forward slash in java. with single slash. Otherwise it is taken as a special-character escape. engData = Good. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Find centralized, trusted content and collaborate around the technologies you use most. I searched on internet and they were talking about replaceAll: But this replaces normal slash and I'd like to know how to do it with backslash(In java). To learn more, see our tips on writing great answers. A declaration like: defines a string containing a single backslash. How to replace single backslash(\) to double backslash(\\) in java? A backslash inside a String literal has to be specified as two to satisfy the compiler, i.e. How to replace 'n' back slashes (\) with one? may work. E.g. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. This means, to represent \ in replacement we need to escape it twice: So code using replaceAll could look like: or if we want to let regex engine handle escaping for us: With replace method we don't need to worry about regex syntax and can focus only simple text. (Ep. "\\\\\\\\" leads to an in memory representation of a string with 4 backslashes: \\\\. Escaping \ in a regular expression is counter intuitive. Why on earth are people paying for digital real estate? Although the second string isn't a regex string, backslashes and dollar signs are still special characters in it, so they need to be escaped. By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. critical chance, does it have any reason to exist? What is the number of ways to spell French word chrysanthme ? How to format a JSON string as a table using jq? Is there a possibility that an NSF proposal recommended for funding might not be awarded the funds? How does it change the soldering wire vs the pure element? how to replace "(double quotes) in a string with \\" in java I don't actually need a solution. Is a dropper post a good solution for sharing a bike between two riders? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. The reason you need so many backslashes is that you need to take into account that backslash is used for both escaping a string and for escaping a regex. Give multiple examples of before and after that covers all of your expectations. Have something appear in the footer only if section isn't over, Brute force open problems in graph theory. It isn't an ordinary string either. Not the answer you're looking for? Use Matcher.quoteReplacement(java.lang.String) to suppress the special meaning of these characters, if desired. WebAccording to Java reference material, the replaceAll method interprets backslashes in the replacement string as escape characters too. rev2023.7.7.43526. Why was the tile on the end of a shower wall jogged over partway up? To learn more, see our tips on writing great answers. C:\Users\chloe\Documents) but when I want to save them in a property file, it saves it with double slash because of the string: "C:\Users\chloe\Documents" For some reason, it doesn't put \\ after the C:. 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), Formatting numbers with same amount of padding, Is the char literal '\"' the same as '"' ? How to replace two double quotes with a single double quote in Java String? BUT, what the heck is going on with the eight backslashes for the second argument? Is the line between physisorption and chemisorption species specific? How can I escape '\' with regex in my String? By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. Is there a distinction between the diminutive suffices -l and -chen? I tried the following way. path.replaceAll("\\",File.separator); or path.replaceAll('\\',File.separatorChar); the second yes, the first is a illegal character, Replacing double backslash with single backslash, Why on earth are people paying for digital real estate? I want to Is speaking the country's language fluently regarded favorably when applying for a Schengen visa? Replace single backslash "\\" with double backslashes I learned that I need regex and that "[X]+" will put all possible combinations eg. Making statements based on opinion; back them up with references or personal experience. String.replace(String,String) will do what you want. -- http://download.oracle.com/javase/6/docs/api/java/lang/String.html#replaceAll(), It's easier if you use replace("\\","\\\\") (String.replace takes literal strings and is more efficient when it's all literal), or you can ensure correctness through the Pattern.quote and Matcher.quoteReplacement functions. To learn more, see our tips on writing great answers. Eight backslashes required to replace single backslash with double backslashes? Counter intuitive indeed! I am using this method to get json data from the string. How does it change the soldering wire vs the pure element? How to escape slashes that are to be part of the string? You need to mask a backslash in your source, and for regex, you need to mask it again, so for every backslash you need How to replace a back slash with another character in Java? Where is the "flux in core" inside soldering wire? This uses String.replace(CharSequence, CharSequence) method to do string replacement. The neuroscientist says "Baby approved!" @ratchet: Thanks for affirming my sanity. Are there ethnically non-Chinese members of the CCP right now? The above factors can lead to the need for numerous backslashes in patterns and replacement strings in a Java source code. String.replace (String,String) will do what you want. with \?, and thus prints: If instead you want to replace a char with another char, then there's also an overload for that: The above snippet replaces ? Because of (1) this means you have to write 2x2=4 of them:"\\\\" (and because of the forum software I actually had to write 8!). Try replaceAll ("\\\\", "") or replaceAll ("\\\\/", "/"). Replace " in Java String to Get Integer value from it, java string replace a backslash double quote with a single quote. The problem here is that a backslash is (1) an escape chararacter in Java string literals, and (2) an escape character in regular expressions each of this uses need doubling the character, in effect By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. Java - Replace special character in a String, java String manipulation, change multiple slashes to one slash. 6 Answers. Your post includes nothing about how you are reading and writing the property file, if that is really your question you should post enough for us to reproduce the problem. What is the reasoning behind the USA criticizing countries and then paying them diplomatic visits? !\"}]" I am recieving this data in my android app Find centralized, trusted content and collaborate around the technologies you use most. It can be greatly simplified if you understand some basic rules. Would a room-sized coil used for inductive coupling and wireless energy transfer be feasible? Book or novel with a man that exchanges his sword for an army. That is, s.length() == 1. Why String.replaceAll() in java requires 4 slashes "\\\\" in regex to actually replace "\"? str=change Do you need an "Any" type when implementing a statically typed programming language? Architecture for overriding "trait" implementations many times in different contexts? How much space did the 68000 registers take up? How can I learn wizard spells as a warlock without multiclassing? How to replace two double quotes with a single double quote in Java String? Draw the initial positions of Mlkky pins in ASCII art. java - How to replace a special character with single slash How to replace only single backslash in java json string. " Have something appear in the footer only if section isn't over, Table in landscape mode keeps going out of bounds. Not the answer you're looking for? Is a dropper post a good solution for sharing a bike between two riders? Does this group with prime order elements exist? How to remove all single slashes from a string while leaving double slashes intact. How to replace backslash in Java? Java Demos Connect and share knowledge within a single location that is structured and easy to search. How do I replace a single '\' with '\\'? How to replace multiple slash and backslash in a string with a single one? How to replace single backslash(\) to double backslash(\\) in java? java - How to replace multiple slash and backslash in a Find centralized, trusted content and collaborate around the technologies you use most. I am getting data from the wcf webservice as : I am recieving this data in my android app and I am using these function to remove backslash and start-end double quote and its working fine for me: Now the problem is that I am getting new data where there are double quotes within strings and when I remove back slashes from the above two functions I get error as string ends where double quote is found and characters after double quotes are treated as illegal characters. Languages which give you access to the AST to modify during compilation? java - Replacing double backslash with single backslash Why does gravity-induced quantum interference in quantum mechanics show that gravity is not purely geometric at the quantum level? Travelling from Frankfurt airport to Mainz with lot of luggage, How to play the "Ped" symbol when there's no corresponding release symbol. Infinite loop I think, unless replace() can track what it last replaced. Making statements based on opinion; back them up with references or personal experience. Java: replaceAll doesn't work well with backslash? No problem John. I need the string to be replaced with "\?" Where is the "flux in core" inside soldering wire? They could be used to escape the dollar sign character, which could refer to matched expressions to re-use in the replacement string. The replacement string <$0> essentially puts the entire match $0 within angled brackets. C:\\Documents and Settings\\HUSAIN\\My Documents\\My Palettes. @SamWhan That's why I included alternative, which would work in your scenario :). What does that mean? Is speaking the country's language fluently regarded favorably when applying for a Schengen visa? 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). How do they capture these images where the ground and background blend together seamlessly? What is the Modified Apollo option for a potential LEO transport? Note that Java supports forward slashes where Windows would normally want backslashes. My goal is to replace all "/" and "\" with one "\". Book or novel with a man that exchanges his sword for an army, My manager warned me about absences on short notice, Characters with only one possible next character. Find centralized, trusted content and collaborate around the technologies you use most. sSource = StringUtils.replace(sSource, "\\/", "/") Polygenelubricants has explained it nicely. Asking for help, clarification, or responding to other answers. In case you come to this question like me with trying to escape for MySQL, you want to add a second single quote to escape: I am confused, do we get different result base on Java version? Which library are you using for parsing JSON? How to replace forward slash with triple forward slash in Java? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. (Ep. public class JavaBackslash { public static void main(String[] args) { System.out.println("I am on the first line \nI am on the second line"); 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), escaping backslash in java string literal, Get Java file path in the format with "\\". Draw the initial positions of Mlkky pins in ASCII art, Characters with only one possible next character, Space elevator from Earth to Moon with multiple temporary anchors. rev2023.7.7.43526. What does that mean? Find centralized, trusted content and collaborate around the technologies you use most. (Ep. It looks like you may be trying to fix effect instead of cause of problem. Now, I understand the four backslashes for the first argument: regex expects two backslashes in order to indicate a single literal backslash, and java wants them doubled up. Replace a Backslash With a Double Backslash in Java Do I have the right to limit a background check? How can I find the following Fourier Transform without directly using FT pairs? engData.replace ("'t", "\\'t") and. I tried some combinations of that but everytime it throw errors. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. To match a literal backslash, you need to use four \ in the regex string literal. To Replace backslash at particular location: if ((stringValue.contains("\\"))&&(stringValue.indexOf("\\", location-1)==(location-1))) { That is, 15amp 120v adaptor plug for old 6-20 250v receptacle? The same thing baffled me when I first encountered it! 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). Connect and share knowledge within a single location that is structured and easy to search. Did you look in the documentation? How to replace backslash followed by 't' or any other alphabet or character in escape chacter in file path to forward slash in java? Can I ask a specific person to leave my defence meeting? In case you want to replace ? Why add an increment/decrement operator when compound assignnments exist? 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.