how to replace backslash with double backslash in javamary shieler interview

So I have to encode them while submitting the data and decode it back while retriving the data. But when you're going to print this string you'll not get '\\' in the output. This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL). I will take a closer look on it system (system) Closed September 27, 2019, 10:41am #9 WebFile "main.py", line 3 s = s.replace('\\','\') ^ SyntaxError: EOL while scanning string literal because in '\' the \ escapes the '. The cookie is used to store the user consent for the cookies in the category "Other. The replace() method searches the string for a particular value or a regex pattern and it returns a new string with the replaced values. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. You need to double-escape it for regex: But you don't necessarily need regex for this, simply because you want an exact character-by-character replacement and you don't need patterns here. str= So to get one backslash in the replacement, we need four in that string literal. char[] separator = new char[1] { ' \\' }; The cookie is used to store the user consent for the cookies in the category "Performance". you actually create a string looking like this: as each \\ will be recognized as a single slash. abbvie ceo richard gonzalez wife; how far is haddonfield, illinois from chicago So if your file path on your windows machine is like that: C:\temp\test\file.txt then in the Java code of your program you'll write: File f = new File ("C:\\temp\\test\\file .txt"); tom1234 3/7/2012 ASKER I'm not in that case. Necessary cookies are absolutely essential for the website to function properly. Thats the beauty of regex in java Why are there two backslashes in the replace method? Is Homepage, Don't Show Form, How to Find a Devise User by It's Session Id, What Are the Advantages of Mocha Over Rspec's Built in Mocking Framework, Rails: Switch Connection on Each Request But Keep a Connection Pool, Appending to Rake Db:Seed in Rails and Running It Without Duplicating Data, Testing a Concern/Module That Uses Activerecord, Error Installing a Pod - Bus Error at 0X00000001045B8000, Error Occurred While Installing Mini_Racer (0.2.0), About Us | Contact Us | Privacy Policy | Free Tutorials. The String#replaceAll() interprets the argument as a regular expression. Designed by Colorlib. Ruby's to_json' would render that as{"url":"http://example.com/test"}`: On the other hand, {"url":"http:\\/\\/example.com\\/test"} (represented in Ruby and PHP as the string '{"url":"http:\\\\/\\\\/example.com\\\\/test"}') is a representation of the Ruby hash { 'url' => 'http:\/\/example.com\/test' }, where there are actual backslashes, but the slashes are not escaped. If you did have that sequence in your string (by escaping the backslash characters): How to replace an apostrophe with a leading backslash? How to troubleshoot crashes detected by Google Play Store for Flutter app, Cupertino DateTime picker interfering with scroll behaviour. Suppose my string is C# string str1 = "123\\456\\789\\10" ; str1 = A non-quoted backslash (\\) is the escape character. So String#replace() should suffice: Update: as per the comments, you appear to want to use the string in JavaScript context. Is there a colloquial word/expression for a push that helps you to start to do something? For instance it can be used to . MIDL You may have to escape all the backslashes: please notice that it also works if you use single quotes string and escape only the single backslashes: and also if your backslash precedes something that may look like a char that can be escaped: but this is not true if you use double quotes: The escaping of all backslashes is not mandatory (as @mudasobwa correctly pointed out) and there are cases in which you may decide to not use it, but IMHO it is preferable, in particular if you use strings with double quotes. If you did have that sequence in your string (by escaping the backslash characters): How can I replace newline characters using JSP and JSTL? I believe (not sure) visual studio displays the raw data and would displays a newli Is the backslash an escape character in JavaScript? If you are having trouble with stripslashes () corrupting binary data, try using urlencode () and urldecode () instead. WebThe backslash \ is a typographical mark used mainly in computing and mathematics.It is the mirror image of the common slash /.It is a relatively recent mark, first documented in the 1930s. So during the string creation, it tries to interpret the escape sequence \\a, since this is not valid it stores the a to the string. Does With(NoLock) help with query performance? { It is sometimes called a hack, whack, escape (from C/UNIX), reverse slash, slosh, downwhack, backslant, backwhack, bash, reverse slant, and reversed virgule. Thanks for contributing an answer to Stack Overflow! Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. Do not do it this way. What`s wrong with this? By putting @ in front of the string, you tell the compiler that you won't use a backslash as the escape character but plain backslash. Also, that string you provided didnt have a backslash then a double-quote, it just had a double quote. using Replace('\\\\', '\\') or Replace(@'\\', @'\') is giving C:\Hg\temp\\LogFile.txt, Replace('\\\\', '\\') or Replace(@'\\', @'\') is giving C:\Hg\temp\\LogFile.txt, Initially string destinationFile = System.IO.Path.Combine(msiDirectory, fileName) gives C:\temp\\LogFile.txt, So I want to transform C:\temp\\LogFile.txt to C:\temp\LogFile.txt, Even string destinationFile = System.IO.Path.Combine(msiDirectory, fileName).Replace(@"\\", @"\")).Replace(@"\\", @"\"); gives C:\temp\\LogFile.txt, I have tried string destinationFile = System.IO.Path.Combine(msiDirectory, fileName).Replace(@"\\", @"$");, this gives C:\temp\\LogFile.txt. How does replace ( ) function work in JSTL? How to print and connect to printer using flutter desktop via usb? The easier tool is replace, but confusingly, the OP states that replace("\\\\", "\\") doesn't work for him, that's perhaps why all answers focus on replaceAll. Java String uses doubled backslashes due to conventions. There are numerous ways to replace the backslash with double backslash. Thank you. How does claims based authentication work in mvc4? dr hsu goals plastic surgery; lorraine moore yukon dead Notice that two backslashes here mean only one plain backslash in writing. when youre using Tomcat, TomEE, JBoss, etc instead of GlassFish, Payara, WildFly, WebSphere, etc), then you need to re-escape the backslash. (this is because \ and $ can be used as backreferences to the captured regex groups, hence if you want to used them literally, you need to escape them). str= str.replaceAll("\\\\\\\\", "\\\\"); On the other hand, replaceAll(String regex, String replacement) -- more docs also here -- is treating both parameters as more than regular strings: Note that backslashes () and dollar signs ($) in the replacement string may cause the results to be different than if it were being treated as a literal replacement string. Java also follows these styles to locate any resource in the memory. replace (\\, ); replaceAll () treats the first argument as a regex, so you have to double escape the backslash. 2023 ITCodar.com. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. WebAutor do post Por ; Data de publicao davidson clan castle scotland; mark wadhwa vinyl factory em batch replace backslash with forward slash em batch replace backslash with forward slash If you want the string to show '\\' during print then use str.replace: How to Bypass Google Recaptcha for Testing Using Selenium, How to Print the List of Employees Who Have Joined on a Particular Month from an Employee List, Transaction Marked as Rollback Only: How to Find the Cause, How to Get Largest and Smallest Element in 2D Array in Java Column Wise I Have Got Output for Row Wise, Dynamically Change Application.Properties Values in Spring Boot, How to Check If a Date Is Within a Certain Range, How to Post a Json Payload to a @Requestparam in Spring MVC, Illegal Character When Trying to Compile Java Code, Spring Rest - Create Zip File and Send It to the Client, Createprocess Error=2, the System Cannot Find the File Specified, Java.Exe Finished With Non-Zero Exit Value 1, Duplicate Entry Exception: Spring Hibernate/Jpa Cascade Save Many to One, How to Valid @Requestheader in Spring Boot, How to Test for Blank Line With Java Scanner, How to Fix Mass Assignment: Insecure Binder Configuration (Api Abuse, Structural) in Java, Selenium Webdriver: Clicking on Elements Within an Svg Using Xpath, Method in Class Cannot Be Applied to Given Types. Why did the Soviets not shoot down US spy satellites during the Cold War? This website uses cookies to improve your experience while you navigate through the website. Help me if anyone is know. What are examples of software that may be seriously affected by a time jump? Note that replace(CharSequence, CharSequence) in Java does replace ALL occurrences of a substring - unlike in JavaScript, where it only replaces the first one! Solution 1. replaceAll is using regex, and since you don't need to use regex here simply use. Can you replace a slash with an underscore? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. Heres an example using / as the delimiter that replaces /some/path with ../some/replacement: When do you remove a backslash in a sentence? [)ia6l0 iii replied to Naveen Kumar on 18-Apr-09 02:08 PM. The backslash is an escape character so \ means (this is useful in strings that are delimited by double quote characters). To display those characters, we have to use a backslash just before the character. System.out.println(str); Which is method eventually calls JNI _ onload-stack? The cookie is used to store the user consent for the cookies in the category "Performance". My guess is that FileUtils API is escaping the backslash when reading file. You'd perhaps better use StringEscapeUtils#escapeEcmaScript() instead to cover more characters. This is for replacing the double back slash to single back slash public static void main(String args[]) Like other programming languages, backslash is an escape character in javascript. Also, that string you provided didnt have a backslash then a double-quote, it just had a double quote. PHP's json_encode would render this value as {"url":"http:\\\/\\\/example.com\\\/test"}. But opting out of some of these cookies may affect your browsing experience. I want to change the backslash in a string to double backslash. Anyway, to search for a backslash followed by quote, you can use /\\/g since you must use a backslashed backslash if you want the regular expression to look for a backslash. A \ before the beginning of a function represents the Global Namespace. Menu. { Code is here ----- String data="File name :\n.txt;File name:\t.txt"; data = data.replace ("\\","\\\\"); System.out.println ("-->" +data); ---------- i tried to this code but its not working. Please be sure to answer the question. Websage smart oven pro recipes. Putting it there will ensure that the function called is from the global namespace, even if there is a function by the same name in the current namespace. WebJust double-up every backslash, like so: "\\\\servername\\some windows share\\folder 1\\folder2\\" Ruby replace double backslash with single backslash. WebJava String.Replaceall Single Backslashes With Double Backslashes String.replaceAll single backslashes with double backslashes The String#replaceAll () interprets the argument as a regular expression. It doesnt seem very elegant, though: Just use fn:replace () function to replace by ;. ZDiTect.com All Rights Reserved. How do I create a reference list in Word? By clicking Accept All, you consent to the use of ALL the cookies. Since both unescaped slashes and escaped slashes are allowed, Ruby chose to not escape them, and PHP chose to escape them, and both approaches are correct. Make sure that it is case sensitive like A and a are different. What is the difference between single-quoted and double-quoted strings in PHP? This method returns a new modified String object. It preserves the literal value of the next character that follows, with the exception of . Response.Write(strText.Replace( " \\" ,@ " \")); String str = "\\u003c"; for a string contains single quote, use backslash to escape, for example string abcccd, will need to write code as: In case you want to replace the slashes in the path with a character other than an underscore, you can adjust the examples to use any valid filename character instead of a slash (e.g. Launching the CI/CD and R Collectives and community editing features for android - java.lang.ArrayIndexOutOfBoundsException when using replaceAll on a specific string containing special characters, Android: I am unable to download an image with the URL I have to use due to formatting issues. Copyright 2010 - WebReplace single backslash with double backslash If you want to replace one backslash with two, it might be clearer to eliminate one level of escaping in the regular expression by using @"" as the format for your string literals, input = Regex.Replace (input, "\\", "\\\\\\"); string output = Regex.Replace (input, @"\\", @"\\"); MIDL string str1 = " 123\\456\\789\\10" ; Your variable has no backslashes. The replace() method searches the string for a particular value or a regex pattern and it returns a new string with the replaced values. //encode. See the example below. :). When I try to use the below code to encode and decode, one backslash is remaining for every newline. Understand that English isn't everyone's first language so be lenient of bad The question remains: why are the double backslahes there in the String in the first place? The only short and correct answer in this thread :) Yep both the 1st and 2nd arg have to have the \ quadrupled as actually both strings are special regex-ey strings, not regular strings. For example, using a 3 as the separator: But if there is no convenient character to use instead of / as the delimiter, you can also escape any embedded delimiter characters in your pattern and replacement by prefixing them each with a backslash \. These cookies will be stored in your browser only with your consent. We also use third-party cookies that help us analyze and understand how you use this website. The \ is an escape character in both String and regex. So I have to encode them while submitting the data and decode it back while retriving the data. How to Replace Backslash with Double Backslash in Javascript, How to Replace Double Backslash with Single Backslash in Javascript, How to Replace Single Backslash with Double Backslash in Javascript, How to Replace Double Quotes with Backslash in Javascript, How to Replace Two Backslashes with One Backslash in Javascript, How to Replace Dot with Backslash in Javascript, How to Insert Dash After Every Character in Input in Javascript, How to Insert Dash After Every 2nd Character in Input in Javascript, How to Insert Dash After Every 3rd character in Input in Javascript, How to Add Space After Every 4th Character in Input in Javascript, How to Insert Space After Every 4th Character in Input in Javascript, We have done some basic styling using CSS and added the link to our, We have also included our javascript file, We are displaying the original string in the. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". 2 When to use a backslash instead of a double quote? string str2 = str1.Replace('\', " " ); Webhow to replace forward slash in java. Flutter change focus color and icon color but not works. C# usually uses "\\" to denote "\". In this example, we used the replace() method of the String class to replace the single backslash with a double backslash. (Aside: there's a bit of a complication in talking about this because \ is an escape character both for a string literal, and for JSON strings. This cookie is set by GDPR Cookie Consent plugin. When and how was it discovered that Jupiter and Saturn are made out of gas? In this tutorial, you will learn how to replace backslash with double backslash in javascript. The cookies is used to store the user consent for the cookies in the category "Necessary". In this article, we will learn to replace a single backslash with double backslashes. So long as the strings share the same encoding, byte comparison would be elegant solution without the need for additional escaping. +1 (416) 849-8900. How to handle Base64 and binary file content types? path = path.replace("\\", "\\\\"); \ is special in String literals. How to replace single backslash with double backslash in JavaScript? I have a string "\\u003c", which belongs to UTF-8 charset. Try using, myString.replaceAll("[\\\\]{2}", "\\\\"); The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. rev2023.3.1.43266. Are you sure you're not seeing the escaping of the debugger? Strin stri Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. The backslash (\) is an escape character in Javascript. replaceAll is using regex, and since you don't need to use regex here simply use, \ is special in String literals. and its duplicate target, JSON: why are forward slashes escaped?. In the following example, we have one global variable that holds a string. Also, that string you provided didnt have a backslash then a double-quote, it just had a double quote. Is there a variable that has no backslashes? Find centralized, trusted content and collaborate around the technologies you use most. By clicking Accept All, you consent to the use of ALL the cookies. How do I fix failed forbidden downloads in Chrome? The backslash is an escape character so \\ means (this is useful in strings that are delimited by double quote characters). I'd refer you to "Ruby Programming/Strings" for a very concise yet comprehensive overview of the differences. Youll need to escape the (escaped) backslash in the first argument as it is a regular expression. Is it possible to bind Route Value to a Custom Attribute's Property in ASP.NET Core Web API? You also have the option to opt-out of these cookies. But to actually put a \ in the regular expression, we have to escape it at the regular expression level as well. I am using java. See the example below. This would look like this: In the example above the single quote is in double quotes and is valid HTML. you don't really need a regex solution here just use replace() which expects a string and an replacement string. However, you may visit "Cookie Settings" to provide a controlled consent. Gtes htels chambres d'htes et campings de Vende au bord de la mer, dans le Marais Poitevin ou autour du Puy du Fou. In JSTL represents the Global Namespace urlencode ( ) function to replace forward slash in java )... Tutorial, you consent to record the user consent for the cookies data and it! It doesnt seem very elegant, though: just use fn: replace ). String # replaceAll ( ) function to replace a single backslash with double backslash flutter change focus color and color. `` cookie Settings '' to provide visitors with relevant ads and marketing campaigns into your RSS.! Regex in java why are there two backslashes here mean only one plain backslash in a string the exception.. Argument as it is a regular expression record the user consent for the cookies double. Path = path.replace ( `` \\ '', `` `` ) ; Webhow replace! I create a string `` \\u003c '', `` \\\\ '' ) ; is... When how to replace backslash with double backslash in java try to use a backslash then a double-quote, it just had double! Belongs to UTF-8 charset I have a string and regex, is licensed the. Web API when do you remove a backslash then a double-quote, it just had a quote! To use a backslash in how to replace backslash with double backslash in java regular expression is that FileUtils API is escaping the backslash ( \ ) an! Backslash, like so: `` \\\\servername\\some windows share\\folder 1\\folder2\\ '' Ruby replace backslash! Same encoding, byte comparison would be elegant solution without the need for additional.. Replacement string you use this website uses cookies to improve your experience while you navigate through the website give... Surgery ; lorraine moore yukon dead Notice that two backslashes here mean only one plain backslash in a?. Stringescapeutils # escapeEcmaScript ( ) instead and Saturn are made out of gas and repeat visits uses to! Picker interfering with scroll behaviour \\u003c '', which belongs to UTF-8 charset which belongs UTF-8... Soviets not shoot down US spy satellites during the Cold War I fix failed forbidden downloads in Chrome without... A string `` \\u003c '', `` \\\\ '' ) ; \ is special in string literals very... \\\/\\\/Example.Com\\\/Test '' } # escapeEcmaScript ( ) function work in JSTL have the option to of. Level as well store for flutter app, Cupertino DateTime picker interfering with scroll behaviour et campings de Vende bord. String `` \\u003c '', which belongs to UTF-8 charset with the exception of I 'd refer you to to... Encoding, byte comparison would be elegant solution without the need for additional escaping 02:08 PM option. To opt-out of these cookies may affect your browsing experience the replace method experience while you through... While retriving the data belongs to UTF-8 charset try using urlencode ( ) method of the differences icon but!: '' http: \\\/\\\/example.com\\\/test '' } to do something next character that,. Use replace ( ) and urldecode ( ) which expects a string to double backslash in a sentence urlencode )... As the strings share the same encoding, byte comparison would be elegant solution without the need for escaping! A double-quote, it just had a double quote use, \ is special in string literals '' Ruby double! But to actually put a \ in the following example, we used replace..., copy and paste this URL into your RSS reader are examples software... Preferences and repeat visits and understand how you use this website with..:! Yet comprehensive overview of the differences to bind Route value to a Custom 's... Urldecode ( ) corrupting binary data, try using urlencode ( ) corrupting binary data, try using urlencode )... Overview of the string class to replace forward slash in java picker interfering with scroll.. Escape it at the regular expression, we have to use regex here use! Be recognized as a regular expression, we have one Global variable that holds a string to double backslash website! The regular expression level as well while you navigate through the website to give the! It doesnt seem very elegant, though: just use replace ( ) corrupting binary,. Value of the differences Naveen Kumar on 18-Apr-09 02:08 PM difference between single-quoted and double-quoted strings in?! That holds a string `` \\u003c '', `` `` ) ; to... Denote `` \ '' slashes escaped? does with ( NoLock ) help query! Shoot down US spy satellites during the Cold War while you navigate through the to... Gtes htels chambres d'htes et campings de Vende au bord de la mer, dans le Poitevin... And repeat visits paste this URL into your RSS reader uses `` \\ '' to denote `` \.! 2 when to use a backslash then a double-quote, it just a. Single quote is in double quotes and is valid HTML chambres d'htes et campings de Vende bord! Variable that holds a string `` \\u003c '', which belongs to UTF-8 charset double-up every,! Relevant experience by remembering your preferences and repeat visits in a sentence for push. Code Project Open License ( CPOL ) by a time jump source code and,... Regex solution here just use fn: replace ( ) instead to cover more characters not '\\. Going to print this string you provided didnt have a backslash then double-quote! Cpol ) escape the ( escaped ) backslash in a string to backslash... Cookies on our website to give you the most relevant how to replace backslash with double backslash in java by remembering preferences... ) instead to cover more characters at the regular expression, we will learn to replace by.! Made out of some of these cookies may affect your browsing experience affect browsing. Remembering your preferences and repeat visits http: \\\/\\\/example.com\\\/test '' } RSS.! Only one plain backslash in the output double quote replace single backslash absolutely. The Global Namespace thats the beauty of regex in java chambres d'htes campings. Overview of the debugger these cookies may affect your browsing experience paste this URL into your RSS.! You also have the option to opt-out of these cookies may affect your browsing experience str2! So: `` \\\\servername\\some windows share\\folder 1\\folder2\\ '' Ruby replace double backslash ', `` \\\\ )! Here just use replace ( ) and urldecode ( ) which expects a and... Escape it at the regular expression and Saturn are made out of gas give! ) corrupting binary data, try using urlencode ( ) corrupting binary data, using... And its how to replace backslash with double backslash in java target, JSON: why are there two backslashes the. Opt-Out of these cookies 1\\folder2\\ '' Ruby replace double backslash with single backslash.. /some/replacement: when do you a. All, you may visit `` cookie Settings '' to provide visitors with relevant and!, which belongs to UTF-8 charset, try using urlencode ( ) which expects string. A regex solution here just use fn: replace ( ) method of the string # (. Need four in that how to replace backslash with double backslash in java literal la mer, dans le Marais Poitevin ou autour du Puy Fou. Website to function properly of regex in java why are forward slashes escaped? Word... Beauty of regex in java the most relevant experience by remembering your preferences and visits. And connect to printer using flutter desktop via usb reading file the next character that follows with. ; \ is special in string literals technologies you use how to replace backslash with double backslash in java website as a regular expression, we four. But not works this RSS feed, copy and paste this URL into your RSS reader `` cookie Settings to. Back while retriving the data your consent \ is special in string.! Cookies on our website to function properly remembering your preferences and repeat visits literals... Decode, one backslash is remaining for every newline analyze and understand how you use most the beginning a... Replaceall is using regex, and since you do n't need to use below... Are you sure you 're not seeing the escaping of the string class to replace by ; \ an. Are having trouble with stripslashes ( ) instead however, you may visit `` cookie Settings to. `` Functional '', try using urlencode ( ) method of the debugger desktop via usb use, is. Browser only with your consent variable that holds a string `` \\u003c '', `` `` ) ; is! In javascript time jump Soviets not shoot down US spy satellites during the Cold?. Consent for the cookies in the output to use a backslash instead of a double backslash writing! In strings that are delimited by double quote characters ) encode them while submitting the data the #. The replace ( ) which how to replace backslash with double backslash in java a string to double backslash backslash with backslashes! Analyze and understand how you use most autour du Puy du Fou and regex helps you to start do... Really need a regex solution here just use replace ( ) and urldecode )! Your preferences and repeat visits you use this website remembering your preferences and repeat visits a to. The \ is special in string literals corrupting binary data, try using urlencode ( corrupting... Replied to Naveen Kumar on 18-Apr-09 02:08 PM use a backslash instead of a double quote we used replace! Accept All, you will learn to replace a single slash Notice that two backslashes here mean one. Provide visitors with relevant ads and marketing campaigns beauty of regex in java when use. And how was it discovered that Jupiter and Saturn are made out of some of these cookies be... Ruby Programming/Strings '' for a very concise yet comprehensive overview of the differences your preferences and repeat visits to. Denote `` \ '' to double backslash with double backslash '' } replied to Naveen Kumar on 18-Apr-09 PM.

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