java string replace regex special characters

Is speaking the country's language fluently regarded favorably when applying for a Schengen visa? Next you can just use replaceAll("[^A-Za-z0-9,]", "+") so you will replace all non alphanumeric characters or , with +. If you are going to have strings like LQiW0/QIDAQAB/Sdf4s and you want to remove the last / to obtain LQiW0/QIDAQABSdf4s, then this will work. Regular expressions are patterns used to match character combinations in strings. a non-word character but not also a hyphen. Also note that replaceFirst("\\/$", "") is equivalent. I am using value.replaceAll("[^A-Za-z0-9 ]", "+") , but it is not working. Connect and share knowledge within a single location that is structured and easy to search. What is the number of ways to spell French word chrysanthme ? I have worked with many fortune 500 companies as an eCommerce Architect. Will just the increase in height of water column increase pressure or does mass play any role in it? @Baadshah. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. If you want to allow a few or some of the characters e.g. Sci-Fi Science: Ramifications of Photon-to-Axion Conversion, Book set in a near-future climate dystopia in which adults have been banished to deserts. Would it be possible for a civilization to create machines before wheels? Thanks for the answer, but then how to replace "cash,carry" with cash+carry. To learn more, see our tips on writing great answers. with (\\\\). Why did the Apple III have more heating problems than the Altair? 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), Apache StringUtils vs Java implementation of replace(). Is there a distinction between the diminutive suffices -l and -chen? What is the significance of Headband of Intellect et al setting the stat to 19? Replace piece of String based on Special Characters occurence using regex. You can try to build a regular expression that matches the string you want to replace on this site. critical chance, does it have any reason to exist? How can I remove a mystery pipe in basement wall and floor? Travelling from Frankfurt airport to Mainz with lot of luggage, Book set in a near-future climate dystopia in which adults have been banished to deserts, Characters with only one possible next character. Will just the increase in height of water column increase pressure or does mass play any role in it? Asking for help, clarification, or responding to other answers. As String.replace doesn't use regex parameters you can just use. I am not sure what you want to do with it later, so do what you think is right. I believe in this particular case it would be easier to use replace instead of replace all. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Does being overturned on appeal have consequences for the careers of trial judges? How to replace special characters in a string? since he's escaping the dot since that has a special meaning as well, so that become's just '.' Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Can I ask a specific person to leave my defence meeting? Can the Secret Service arrest someone who uses an illegal drug inside of the White House? Making statements based on opinion; back them up with references or personal experience. I have dynamically generated input strings, a sample of which is: Connect and share knowledge within a single location that is structured and easy to search. Simply use String#replace(CharSequence target, CharSequence replacement) in your case to replace a given CharSequence, as next: Or use Pattern.quote(String s) to convert your String as a literal pattern String, as next: If you intend to do it very frequently, consider reusing the corresponding Pattern instance (the class Pattern is thread-safe which means that you can share instances of this class) to avoid compiling your regular expression at each call which has a price in term of performances. Is religious confession legally privileged? Gson: Convert String to JsonObject without POJO, Remove non ascii characters from String in Java example, Java RegEx - Check Special Characters in String, Java StringTokenizer - Using RegEx Pattern, Java RegEx - Remove Decimal Part From the Number, Remove multiple spaces from String in Java example, Using RegEx in String Contains Method in Java, Convert String to String array in Java example, Java ArrayList insert element at beginning example, Count occurrences of substring in string in Java example, Check if String is uppercase in Java example. The backslash is an escape character in Java Strings. For example, /A would be matched, but /- would not be. When we need to find or replace values in a string in Java, we usually use regular expressions. In this Blog I'll tell you about How to Replace Special Characters Using Regex in C#. $ means end of line (in this case, end of string). says to treat the regex as a literal string. To learn more, see our tips on writing great answers. 15amp 120v adaptor plug for old 6-20 250v receptacle? Method 1: String buffer = obj.toJSONString () + ","; String result = buffer.replaceAll (Pattern.quote (" (? with a string. rev2023.7.7.43526. WebAnswer: You can make two lists. However, rather than outputting: xxxhitherexxxxxxx like I want it to, it outputs: x1x2x3hxixtxhxexrxex1x2x3x4x5xhxix x, I've tried a load of different regex patterns to try to do this, but I can't seem to figure out how to do this :( (Ep. Asking for help, clarification, or responding to other answers. Am very poor in regex, so please bear with me. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing, Why on earth are people paying for digital real estate? Replace special characters in string in Java, Java replaceAll Regex for special character [, String replace all special characters in the end, Replacing multiple occurences of special characters by a single special character, Java regex replace string with special characters, Remove a set of special character from a String, Java regex, replace certain characters except, Replace everything except ONE single char. Cultural identity in an Multi-cultural empire, Characters with only one possible next character. Dont' use Pattern.quote, use a literal regex pattern, and escape the brackets: Using Pattern.quote tells the regex engine to treat the string as literal. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. I am using this. s = s.replaceAll("\\W", ""); These allow us to determine if some or all of a string matches a 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, A sci-fi prison break movie where multiple people die while trying to break out, Python zip magic for classes instead of tuples. Is there a distinction between the diminutive suffices -l and -chen? In JavaScript, regular expressions are also objects. I have tried with "\\W" in my expression but looks like I didn't use it well so I could use some help. What is the difference between public, protected, package-private and private in Java? The pattern means not any character between a to z, A-Z, and 0 to 9. Using only replace all and only one line, and it's assuming you string does not contain a deprecated ASCII character (BEL) String string = How to disable (or remap) the Office Hot-key. A sci-fi prison break movie where multiple people die while trying to break out. How do I efficiently iterate over each entry in a Java Map? why isn't the aleph fixed point the largest cardinal number? Making statements based on opinion; back them up with references or personal experience. Why free-market capitalism has became more associated to the right than to the left, to which it originally belonged? (Ep. This does mean the brackets would not have to be escaped, but it would also render your lookarounds as literal text, probably not what you have in mind. Was confused based on regex from question. Characters with only one possible next character, How to get Romex between two garage doors. (Ep. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Is there any potential negative effect of adding something to the PATH variable that is not yet installed on the system? Connect and share knowledge within a single location that is structured and easy to search. Spying on a smartphone remotely by the authorities: feasibility and operation, Book set in a near-future climate dystopia in which adults have been banished to deserts. Replace word with special characters from string in Java. Why did Indiana Jones contradict himself? You are right, IF is redundant here, thank you. How to replace all characters in a String except certain character? You need to first find quote and replace , inside it with +. Use Not the answer you're looking for? How does the inclusion of stochastic volatility in option pricing models impact the valuation of exotic options? Thanks for contributing an answer to Stack Overflow! How to passive amplify signal from outside to inside? What is the significance of Headband of Intellect et al setting the stat to 19? Why do keywords have to be reserved words? Making statements based on opinion; back them up with references or personal experience. 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java string replace regex special characters