how to replace "(double quotes) in a string with \\" in java So to create String literal representing \ followed by " all we need is "\\\". Would a room-sized coil used for inductive coupling and wireless energy transfer be feasible? Would a room-sized coil used for inductive coupling and wireless energy transfer be feasible? Trying to find a comical sci-fi book, about someone brought to an alternate world by probability. A backslash in a regular expresion has to be specified as two to satisfy regex, otherwise it is taken as a regex escape. It looks like perhaps you want something like this: This uses String.replace(CharSequence, CharSequence) method to do string replacement. How do they capture these images where the ground and background blend together seamlessly? I thought argument two was a verbatim string (i.e. You need two levels of escaping in the replacement string, one for Java, and one for the regular expression engine. MySQL doesn't support this type of Languages which give you access to the AST to modify during compilation? My goal is to replace all "/" and "\" with one "\". How do you replace double quotes with a blank space in Java? How to replace only single backslash in java json string Backslash Character in Java | Delft Stack Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing. Travelling from Frankfurt airport to Mainz with lot of luggage, How to play the "Ped" symbol when there's no corresponding release symbol. Countering the Forcecage spell with reactions? Can ultraproducts avoid all "factor structures"? 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 "\\". Does this group with prime order elements exist? I am using this method to get json data from the string. I thought it is taking single slash only but when I debugged I found that the variable is taking "\\". How to remove all single slashes from a string while leaving double slashes intact. Thanks for contributing an answer to Stack Overflow! Book or a story about a group of people who had become immortal, and traced it back to a wagon train they had all been on. 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. The neuroscientist says "Baby approved!" I have string, and I want to replace one of its character with backslash \. How much space did the 68000 registers take up? Escaping \ in a regular expression is counter intuitive. with single slash. 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). Double it again because you need to match two consecutive backslashes in your original string. What is the number of ways to spell French word chrysanthme ? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. To learn more, see our tips on writing great answers. startup trace \?state is info\?". How can I find the following Fourier Transform without directly using FT pairs? What is this military aircraft I saw near Catalina island? If you want to replace ? What would a privileged/preferred reference frame look like if it existed? Would it be possible for a civilization to create machines before wheels? Table in landscape mode keeps going out of bounds. According to Java reference material, the replaceAll method interprets backslashes in the replacement string as escape characters too. How to replace single backslash(\) to double backslash(\\) in java? How to replace one or more \ in string with just \? rev2023.7.7.43526. Connect and share knowledge within a single location that is structured and easy to search. How can I escape '\' with regex in my String? What is this military aircraft I saw near Catalina island? character from the second argument. Book or novel with a man that exchanges his sword for an army. - noncapturing group \\+ - match one or more \ \/+ What is the Modified Apollo option for a potential LEO transport? Spying on a smartphone remotely by the authorities: feasibility and operation. Not the answer you're looking for? Can I ask a specific person to leave my defence meeting? SAMPLE PROJECT ! How does it change the soldering wire vs the pure element? Finding K values for all poles of real parts are less than -2. 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. Do I have the right to limit a background check? 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 '"' ? Architecture for overriding "trait" implementations many times in different contexts? How can I learn wizard spells as a warlock without multiclassing? Travelling from Frankfurt airport to Mainz with lot of luggage. Thanks for contributing an answer to Stack Overflow! with \, and thus prints: If you're using replaceAll or any other regex-based methods, then things becomes somewhat more complicated. It looks like you may be trying to fix effect instead of cause of problem. And in a reges, a \ must also be escaped by another \\. To match a literal backslash, you need to use four \ in the regex string literal. rev2023.7.7.43526. Characters with only one possible next character. Why do complex numbers lend themselves to rotation? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing, I'm afraid you'll have to iterate here thru the chars one by one, Yes, that is what I am aiming for @Pshemo. How to replace forward slash with triple forward slash in Java? BUT, what the heck is going on with the eight backslashes for the second argument? Connect and share knowledge within a single location that is structured and easy to search. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. What is the number of ways to spell French word chrysanthme ? To be clear, creates a String that has a value equal to C:\Users\chloe\Documents (if you were to print it). Typo in cover letter of the journal name where my manuscript is currently under review. Replace single backslash "\\" with double backslashes WebAccording to Java reference material, the replaceAll method interprets backslashes in the replacement string as escape characters too. 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. Did you, no it does not work.any ways i found it's working String str="welcome'deepak"; String str1="\\"; String str3="\'"; String str5=str1+str3; System.out.println(""+str.replace("'",str5)); welcome\'deepak, A couple a (small) nitpicks: the second string is not a, JLS 3.10.6 Escape Sequences for Character and String Literals, Why on earth are people paying for digital real estate? How to replace a special character with single slash, JLS 3.10.6 Escape Sequences for Character and String Literals, Why on earth are people paying for digital real estate? Do I have the right to limit a background check? Replace Single Backward Slash in Java String - Oracle Forums Making statements based on opinion; back them up with references or personal experience. C:\\Documents and Settings\\HUSAIN\\My Documents\\My Palettes. I had to replace all single backslashes in a String with double backslashes . By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Using the following way, we can easily replace a backslash in Java. so naturally, if you want to double the number of backslashes, and both parameters treat backslash as an escape character, you need twice as many backslashes in the replacement string. Why on earth are people paying for digital real estate? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. @ratchet: Thanks for affirming my sanity. What does "Splitting the throttles" mean? What does "Splitting the throttles" mean? When I run replaceAll() then I get this error message. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Replacing a Single Backslash ( \) With a Double Backslash ( \\) in Java. 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. Why do keywords have to be reserved words? What you want is this: Thanks for contributing an answer to Stack Overflow! Thanks! Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. This is what I ended up doing where strRootDirectory is a java.lang.String above. So, the above code replace a "\" single slash into "\\". Otherwise please share the first incoming String before your replace. To learn more, see our tips on writing great answers. Eight backslashes required to replace single backslash with double backslashes? What do you mean, replace single '\' with '\'? I learned that I need regex and that "[X]+" will put all possible combinations eg. Is speaking the country's language fluently regarded favorably when applying for a Schengen visa? Because it seems not a valid String ! I expected to need four backslashes in the second argument, in order to represent two backslashes. Would it be possible for a civilization to create machines before wheels? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Note that Java supports forward slashes where Windows would normally want backslashes. OIC! Replacing string with "\" character in java. Why String.replaceAll() in java requires 4 slashes "\\\\" in regex to actually replace "\"? Do you need an "Any" type when implementing a statically typed programming language? String is immutable - each method you invoke on it does not change its state. It returns a new instance ho engData = But when I print the string, it prints Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing. @Code_S: My answer is working for a single backslash. Find centralized, trusted content and collaborate around the technologies you use most. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Making statements based on opinion; back them up with references or personal experience. The replacement string <$0> essentially puts the entire match $0 within angled brackets. 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. BUT that is not the end since \ is also special character in String literals - for instance we can use it to escape " like \" or to create special characters like tabulation "\t". 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? Asking for help, clarification, or responding to other answers. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing, how to replace "(double quotes) in a string with \" in java, Why on earth are people paying for digital real estate? It puts backslashes to escape double quotes in String, it's natural. To learn more, see our tips on writing great answers. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing. String.replaceAll (String,String) is regex. Good. How to check and replace special character(\) contain in a String in java? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Can I contact the editor with relevant personal information in hope to speed-up the review process? How does it change the soldering wire vs the pure element? Why add an increment/decrement operator when compound assignnments exist? String.replace (String,String) will do what you want. Find centralized, trusted content and collaborate around the technologies you use most. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Other than Will Riker and Deanna Troi, have we seen on-screen any commanding officers on starships who are married? Java: replaceAll doesn't work well with backslash? Is it legally possible to bring an untested vaccine to market (in USA)? Why on earth are people paying for digital real estate? And you want replace all double quote with blank value or in other word,if you want to trim all double quote. Did you look in the documentation? 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 to replace backward slash to forward slash using java? I was sure that in some form of String replacement the second argument was a literal. Is speaking the country's language fluently regarded favorably when applying for a Schengen visa? They could be used to escape the dollar Languages which give you access to the AST to modify during compilation? The neuroscientist says "Baby approved!" Where is the "flux in core" inside soldering wire? Find centralized, trusted content and collaborate around the technologies you use most. @Sercan yes its json string as it automatically put backslashes in it I dont know why So for removing these back slashes I needed to use those functions. Connect and share knowledge within a single location that is structured and easy to search. How can I learn wizard spells as a warlock without multiclassing? Have something appear in the footer only if section isn't over. I didn't look at your name when reading your comment, I thought the OP had written it :-). Do you need an "Any" type when implementing a statically typed programming language? In this example, we used the replace () method of the String class to replace the single Isn't the replacement string supposed to be a literal (non-regex, I mean) string? To learn more, see our tips on writing great answers. In case you want to replace ? My manager warned me about absences on short notice. 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. Does this group with prime order elements exist? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. (Ep. may work. Connect and share knowledge within a single location that is structured and easy to search. Will just the increase in height of water column increase pressure or does mass play any role in it? critical chance, does it have any reason to exist? 6 Answers. The same thing baffled me when I first encountered it! This uses String.replace(CharSequence, CharSequence) method to do string replacement. http://download.oracle.com/javase/6/docs/api/java/lang/String.html#replaceAll(), Why on earth are people paying for digital real estate? You can also write your paths with / as a separator. In a String literal, \ must be escaped with another \. I have a path (Ex. Making statements based on opinion; back them up with references or personal experience. 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. Why do complex numbers lend themselves to rotation? Replace a Backslash With a Double Backslash in Java (Ep. Replacing double backslashes with single backslash, Changing the directory path's forward slash to backslash, Add extra '\' in absolute file path in Java. To replace double quotes. Does this group with prime order elements exist? Making statements based on opinion; back them up with references or personal experience. How to replace multiple slash and backslash in a string with a single one? str=change Remember that \ is an escape character for Java string literals; that is, "\\'" you have to do sSource.replaceAll("\\\\/", "/"); This is because \ is a Java escape character for String and char literals. Do I have the right to limit a background check? Languages which give you access to the AST to modify during compilation? and ! You could use Pattern.quote to make it easier for you to escape the value, such as: See: Pattern.quote, String.replace and Matcher.quoteReplacement. Polygenelubricants has explained it nicely. Is there a possibility that an NSF proposal recommended for funding might not be awarded the funds? Java - Replace special character in a String, java String manipulation, change multiple slashes to one slash. Replace back slash (\) with forward slash (/) [duplicate] java - Replace backslash with double backslash - Stack Can the Secret Service arrest someone who uses an illegal drug inside of the White House? Give multiple examples of before and after that covers all of your expectations. Non-definability of graph 3-colorability in first-order logic, Property of twice of a vector minus its orthogonal projection. | - alternation: match pattern on the right or on the left, Alternatively you could use pattern [\/\\]+, which matches one or more of \ or /. To learn more, see our tips on writing great answers. The replacement pattern is \\ since a backslash in the replacement pattern is special in Java, it is used to escape the $ symbol that denotes a literal $ char. Are there ethnically non-Chinese members of the CCP right now? Has a bill ever failed a house of Congress unanimously? What would a privileged/preferred reference frame look like if it existed? I figured out from the major answer post by Bart Kiers above: Thanks for contributing an answer to Stack Overflow! To learn more, see our tips on writing great answers. Is there a distinction between the diminutive suffices -l and -chen? Would a room-sized coil used for inductive coupling and wireless energy transfer be feasible? Asking for help, clarification, or responding to other answers. How do I replace special characters with "\"? rev2023.7.7.43526. Can I ask a specific person to leave my defence meeting? (Ep. Making statements based on opinion; back them up with references or personal experience. 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. as per my requirement. What would stop a large spaceship from looking like a flying brick? 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. More information may be helpful, such as how you are getting the path and what class it is (are you reading a File path to a path or a string, are you generating the path piece by piece). Not the answer you're looking for? 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. Have something appear in the footer only if section isn't over, Brute force open problems in graph theory. When replacing backslashes with Java regex, why does the Pattern class not recognize single backslashes? How does it change the soldering wire vs the pure element? Strings 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), String.replaceAll single backslashes with double backslashes, How to escape the backslashes and the automatically generated escape character in file path in java. java - String replace a Backslash - Stack Overflow ]+ matches one-or-more (+) of any characters in the character class [] definition (which contains a ? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. or do we have not tested answers here? 15amp 120v adaptor plug for old 6-20 250v receptacle? Spying on a smartphone remotely by the authorities: feasibility and operation, Replaces each substring of this string that matches the literal, Returns a new string resulting from replacing all occurrences of, The backslash is also a special character in replacement. Many a time we have a backslash character in our string content and either we want to remove it or replace it regex - Replacing single '\' with '\\' in Java - Stack Overflow That is, s.length() == 1. What is the Modified Apollo option for a potential LEO transport? Yep, it gets hairy when you need to do this sort of thing, doesn't it. How can I find the following Fourier Transform without directly using FT pairs? With replace() I'd have to loop until done because the original string has many backslashes, and then on the second iteration I suspect the first backslash found will be the one that I just put there from the last replace(). Can I ask a specific person to leave my defence meeting? 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!). How to escape slashes that are to be part of the string? String.replace(String,String) will do what you want. 1. C:\Users\chloe\Documents) but when I want to save them in a property file, it saves it Removing double quotes from a string in Java, How to replace double quote with " using replaceAll method. Connect and share knowledge within a single location that is structured and easy to search. I didn't understand exactly what OP wanted. How to replace a back slash with another character in Java? Please clarify it (and use. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. That is, Can anyone suggest how to replace the special characters with single slash ("\")? @BalusC: I edited my answer again. which would then select the Documents folder of the user at run-time. java, regular expression, need to escape backslash in regex. engData.replace ("'t", "\\'t") and. Is there a way to do that all in one single line? What is the Modified Apollo option for a potential LEO transport? C:\Documents and Settings\HUSAIN\My Documents\My Palettes Webways to replace backslash with forward slash in java. Invitation to help writing and submitting papers -- how does this scam work? no special characters involved) to be written in place of argument one's regex string. Will just the increase in height of water column increase pressure or does mass play any role in it? Then I tried the following: When I do this it replaces the special characters with "\\". I have a question about strings in Java. Thanks for contributing an answer to Stack Overflow! By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. 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. 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. :). Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. stringV I tried the following, but no luck. I want to Explanation: (?:) java - Replacing double backslash with single backslash In java "\\" treat as "\". rev2023.7.7.43526. What would stop a large spaceship from looking like a flying brick? This is a "what the heck is going on here" question. public class JavaBackslash { public static void main(String[] args) { System.out.println("I am on the first line \nI am on the second line"); Making statements based on opinion; back them up with references or personal experience. 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

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