Regex replace question marks Let's see what's happening here. Regex to replace multiple spaces with a single space. ca> Abstract. A closely related operator is \X, which matches a grapheme cluster, a set of individual elements that form a single symbol. If you want to learn Regex with Simple & Practical Examples, I will suggest you to see this simple and to the Good question. Note: RegExps in Javascripts are Objects of type RegExp, not strings. Commented Apr 24, 2021 at 21:28 Example. In the C file there should be two comments, however, without a question mark, the matlab regexp function include all the text between the first '/*' and the last '*/'. Mark . RegEx: Grabbing values between quotation marks. You should question mark. replaceAll("\\p{M}", ""). 2). I have problem with creating correct regular expression. This is often done to increase performance and de-clutter the back-references when a capturing group is necessary to use the | operator. That might be something worth fixing in case you have people with accents in their names, that are being affected, etc. Kuchling <amk @ amk. This particular regex may look a little awkward, with the three quotation marks at either end, but consider the alternative: Regex r = new Regex("\"[^\"\\\\]*(?:\\\\. Unlike some other quantifiers which focus on repetition, the question mark quantifier is all about optionality. Note : I just want to replace those Quotation marks which are coming in the shown pattern. /g',' ') doesn't work. Additionally, quoted text like this is ?very? nice should become this is 'very' nice. I would like to replace a straight quotation mark (") using C#. It helps to match, find or manage text. Does the colon have a special meaning in regex? The regex compiles fine, and there are already JUnit tests that show how it works. How can I do this in C#?. Question mark in regex not working as expected. John Smith Mr. does not match \n newline characters. , the other is about regex in relation to quotation marks. Two backslashes, no change. Ask Question Asked 12 years, 5 months ago. The /(\[[^\]]*]\[)[^\]]*/ has no gmodifier, it will be looking for one match only. it Learn how to replace a question mark in a string with another word using Java regular expressions (regex). sub() replaces matched punctuation with an empty string. This code shows the full RegEx replace process and gives a sample Regex that only keeps letters, numbers, and spaces in a string - replacing ALL other characters with an empty string: SELECT REGEXP_REPLACE(COLUMN,'[^[:ascii:]],'') but Oracle does not implement the [:ascii:] character class. – I have some files that exist under a directory and its name contains a question mark. Actions - I'm trying to replace a lot of lines that would otherwise take so much time. g. NET. For example, /t$/ does not match the "t" in "eater", but does match it in "eat". Here’s how to implement this: Your example is really simple and is something a simple replace() would also achieve and doesn't have the problem with the question mark ?. *?\]) That uses negative lookahead to find lines starting with [and ending with ], while using the inside question mark character ? as an operator to prevent selection In this case, you should use a Regular Expression (RegEx) -- specifically the Replace method / function -- and those are only available through SQLCLR. RegEx - Not parsing dot(. The goal is to use Find and Replace to change the "marks to ’ in quite a few places. '; $old = quotemeta 'question?'; $new = 'reply?'; In regexes, the question mark is an operator meaning one or none. * in RegEx is equivalent to dtSearch wildcard * operator. data. But sometimes I have a Question mark in the values like: Values: [1,'Question?',0. Because the Regular expressions are teeming with quantifiers, each holding its own unique functionality. Viewed 4k times But I was not escaping the question mark when calling preg_replace later on. g *? ?? +? What happens now is token 2 (+?) finds a match, regex moves along a character and then tries the next token (\b) rather than token 2 (+?). Regex Return Number between last / and? See more linked You need to capture the number, using parentheses, and add it back in with $1 when you replace. But either way, you need to put the single quote inside double quotes, and escape the double quotes. Example inputs: "examination papers",'examination papers,'examination' "papers",pa"pers,pa'pers Desired outputs: examination papers,examination papers,papers,papers,papers I have tried just replacing the -with a " in the examples listed Removing Punctuation Marks; Conclusion; Identifying Special Characters. Only if this causes the entire regular expression to fail, will the engine try ignoring the part the question mark applies to. I was able to replace character (?) at the Replace question mark within a word. So the updated line that would include both replaces - I am showing both regex_replace and replace, same syntax for both: Here are some options to restrict a generic character class in R using both base R (g)sub and the stringr remove/replace functions: (g)sub with perl=TRUE. regex; notepad++; Share. Follow edited Oct 8, 2018 at 14:18. Although, this have to be done respectively and using « ». Therefore, we have to escape it: Note that it isn't special in strings. ichi ichi I am getting HL7 messages through with question marks charcters in the middle of words like "can?t and dc?d" and I want to replace them with apostrophe. Even tried three. Replace(@""", "&amp;"); Can I do it with a normal string. C# Regex How to replace multiple quotation marks respectively in a string with « and » @Amber: I infer from your answer that unlike str. Regex to ignore trailing dot if there is one. replace(), we can't use variables a) in raw strings; or b) as an argument to re. If you don't think this can be done through sublime and regular expressions it would be great if you could suggest a way to do this. ; Each quote (using single or double quotation marks) consists of an opening quote character, some text and the same Python regex with question mark literal. This is the position where a word character is not followed or preceded by another The issue with the code pattern lies in the regular expression itself and how it's being used. gsub("[“”]", "", s) # Doesn't work when you save this piece of code in a script The get-around solution is normalizing the double quotation marks first Regular Expression HOWTO¶ Author:. (That way we would avoid putting all the punctuation marks in the regex) – Takit Isy. The -E option is consistent with grep -E (which also uses extended regular expressions). For example, you are removing any non-digit characters from a phone number. How do I escape quotation marks in Match. To remove (some?) punctuation then, It works perfectly. This is because the function replaces the question mark of the text replaced one iteration earlier. A. As an alternative, you can use the -r or --regexp-extended option to use the "extended regular expression syntax", which reverses the meaning of escaped and Find all words and replace with question marks. Replace a question mark (?) with (\\?) 0. _-]/g, ' '). escape(string. Replace(inputString,@"\xEF\xBF\xBD"," "); Hope this will be helpful for someone if they are trying to replace this unknown symbol ï The difference between str_replace and preg_replace is, preg_replace do replacement using regex. I might be missing something small, but I can't get it with a normal string. M. When you save a gsub with “” in a . Modified 12 years, 5 months ago. perl -pe 's/(?<!\\)%. And, on regex, character ? has special meaning. Start by typing OK in the Regex field to proceed to the first step and access the more detailed description. It seems we can use a variable name for the string the regex is going through, though. To make a regex non greedy (lazy) put a question mark after your greedy search e. 10. I dont know how to replace it I just want to take all the Quotation mark and replace it with blank string. It can detect the presence or absence of a text by matching it with a particular pattern and also can split a pattern into one or more sub-patterns. Ask Question Asked 7 years, 9 months ago. NOTE: . Replace quotation marks using regular expressions The question mark, represents the optional character based on how you use it (it can do other things). Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company The \? is the vi-regular-expression for the normal ? in other program's regular expressions. Same as in C# verbatim string literals, @"""" would mean a " text. Using List Comprehension. Teams. *//' However this won't match something like Hello world. 373. Is there any functional difference between searching for "toys?2" and "toys??2". (\[(?:"[^"]*"|[^"])+\]) I was able to split the the JSON string into before match, match and after match and Other users were correct. Regular expression to find unescaped double quotes in CSV I need to replace a question-mark ? with a single quote '. The empty space ' ' does not match the regex so the second part of the regex [cde] and, actually, posted code will not compile in Java - the only language the question is tagged with, is the java tag (RegExp is not (standard) Java, neither are single quote ' used/allowed for strings) || also note the question is more than 10 years old and already has an answer [working solution]) – Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/. Replacing commas in between double quotes with colons and remove I came up with the following regex command (?!^\[. And by "disallowing" the question mark it is not a valid regex pattern. The backslash before the question mark makes it a literal match on the question mark character. Question mark with equal to sign in regex. The \[[^\]]*]\[matches [, then any 0+ chars other than ] and then ][. However, now I am looking for a way to match exclamation marks, question marks, and full stops separately. Replace dummy and dual with your own Regex to remove question mark ‘?’ and line breaks at the beginning of a text Solved Hello everyone, I’m trying to remove line breaks and/or questions marks before a given text. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company preg_replace is excluding ". In most cases, escaping these is not necessary. Find & Replace question with RegEx solution. php preg_replace question mark ("?") - not working. The () forms a capturing group #1, it will remember the value that you will be able to get into the replacement with $1 One of the regex quantifiers we touched on in the previous list was the + symbol. Ctrl + H Find what: \?\h+\K(?=[A-Z]) Replace with: \n # you can use \r or \r\n depending on the Learn how to replace a question mark in a string with another word using Java regular expressions (regex). The Pandas one can behave as either the regular string. Example: String str1 = "test=\"-1\""; should Was writing a short story, but halfway through I decided to change it into third person. It looks like: ReReplace( txt, "-?\s+\?*","*", "All" ) So, that is why you added an exclamation mark? OP's regex shows an attempt to only match the symbols in a sequence, yours does not, your regex will replace a hyphen in compound words The question mark is a wildcard character. compile('[%s]' % re. You’ve already seen . Follow answered Apr 9, 2015 at 12:06 I also added to the question that detail that you tried a regex with unescaped question mark. Substitution Find/Replace using Regex. I just need to replace some links that have been created by a WYSIWYG editor and are stored in a database. Viewed 21k times Replace it or escape it. The original Finally with the below code i was able to detect that symbol and replace it. withColumn(column, regexp_replace(column, empty_str, None) However, when I use this code all the values in my dataframe turn into null values - not just the question marks and back slashes. Actually I need the question mark to be deleted as well. For example, one way of representing “á” is as the letter “a” plus an accent: . Finding character sequences is a familiar task to everyone who has used a Extract regexp – extracts matching parts into a table with each regexp group as a column. string input = "Message"; string pattern = @"^d"; Regex regex = new Regex(pattern, RegexOptions. You can look at :h regex to verify this (or more precisely :h E61). Now let's discuss this particular RegEx itself. 5]. Like asterisk *, it even matches strings where the element is absent. Use the replace() method to replace multiple characters in a string, e. Im using replace regex by below for line breaks (?m) \s*\n. Example: For now, I was trying to split on the question marks. Provide A single backslash is the correct way to escape a question mark \?. As mentioned above, replacing strings in PowerShell replace method works but it’s limited. Remember, regex can be complex, # Replace Multiple Characters in a String. For example I would like to change: I looked at him blankly after finishing his mixtape and said, "Bro, Imma be honest with you. Therefore, we have to escape it: s/question\?/reply?/g Note that it isn't special in strings. ; In the replacement string, which is not a regex, do not escape . Perl regexp replace? 2. Like this: ~? EDIT: To highlight cells down a column that have a question mark in them, select the column, go to Conditional Formatting, and use the following formula as your CF rule: @kpeirt Texts should be coded somehow for a machine to understand that it is some text. Replace(text, "$1. I assume searching each word for a ? is not the best way. Does it mean that the group is optional? There is already a question mark after the corresponding ). When it comes to SQL Server, the cleaning and removal of ASCII Control Characters are a bit tricky. Global = True oRE. I am parsing an Excel sheet using VBA. Modified 7 years, 9 months ago. Optional means it exists once or it I am trying to figure out how to use Find & Replace with RegEx to manipulate text. :) Although, MS Word doesn't seem to accept \s as a whitespace character (use wildcard is checked), but I'll go take a look on "Word for dummies" first :) But is there a way to use regex in Word except through a find/replace screen (and VB macro, since I can't write in VB - I'm a novice in python and C#)? That is, I enclosed the question mark in character class brackets ( [and ]), which made the special meaning inactive. Commented Apr 12, 2012 at 2:56. The search uses a regular expression, and the question mark is a meta-character in regular expressions, so the search must escape the question mark to treat it as a literal. Then I modifed the search pattern as the following: While the Escape method escapes the straight opening bracket ([) and opening brace ({) characters, it does not escape their corresponding closing characters (] and }). I’m guessing this isn’t too easy :\ 🙂 Thank you for reading this. ---How to Replace a Qu Oct 28, 2024 There are numerous ways to replace all question marks in a string. You are constrained to only using literal strings. The following shows an example of replacing several "special" characters, yet leaving all that are valid letters in at least one language: Please be sure to answer the question. Python This allows for any number of spaces and question marks and guarantees that at least one question mark is present. You can do this with string. Figure 4. Replace(); someWord. You can use the replace() method Matching multiple characters. I'm trying to replace the ? with %3F (URL encoded ?) but I get a "404 Not Found" response. This is not what I want. Will match everything from “Hi” to “Hiiiiiiiiiiiiiiii”. Question mark: Match zero or one of the previous * Asterisk or star: Match zero, one or more of the previous + Plus sign: Match one or more of the previous ( ) Opening and closing parenthesis: Group characters [ ] Opening and closing square bracket: Matches a range of characters { } Opening and closing curly brace Replace the original string with the result string, effectively removing all punctuation characters from the original string. Improve this question. The question mark gives the regex engine two choices: try to match the part the question mark applies to, or do not try to match it. If a closing bracket or brace is not preceded by its corresponding opening character, the regular expression engine interprets it literally. This document is an introductory tutorial to using regular expressions in Python with the re module. In this article, we’ll take a look at the question mark metacharacter and how you can make any RegEx pattern After using a regex from one of the comments, I ended up with this regex which allowed me to match the array itself. and into the Replace field: ``$1'' And then just press the Replace All button. String replace in Perl. Viewed 738 times 0 . *)""\s*. The first parameter the method takes is a regular expression that can match multiple How do I replace a single question mark with preg replace. With double quotes I can get . But I confess I wasn't even thinking about that at the time. => { let regex = /\?/g; let result = myString. Replace(text, "XXX") oRE. 5', ?). translate() only takes a dictionary; codepoints (integers) are looked up in that mapping and anything mapped to None is removed. Loading More Posts (lowercase I). Use Notepad++ regex Find-and-Replace: Find what: (,"[^"]*?)[\r\n]+ Replace with: $1 Regex expression to replace newlines between quotation marks, but only if there's no tabs in-between. 2. condition: It exists no solid structure before/behind the single quotation marks part! Regex is generally very poor at handling nested patterns such as quotes, but in the case of only capturing the outermost pair of quotes we can rely on greediness to work. Since there’s a way you can match all punctuation marks, that’s what we are going to look at in this article. Removing ???? or more with preg_replace. Find "\r\n" Replace \r\n. For that, you need to check that the % is preceded by an even number of backslashes. Consider the regex pattern (abc)?def, which will match “def” or “abcdef”. I am pasting some sample data below id text 1328qdfjhase This is a text 1038qdfjhase - 2293770 Do not input private or sensitive data. You have a question mark followed by a space, so there is no word boundary there and the regex will not find one. PowerShell: A family of Microsoft task automation and configuration management frameworks consisting of a command-line shell and associated scripting language. Replace(); or do I need to use Regex? If the latter, what would the Regex replace look like? PHP RegEx won't pick up question mark. Or even a Named Capture Group, as a reference to store, or replace the data. The replace function Learn more about regular expression, question mark . ; No need for option g, since you're only replacing 1 occurrence per line. You are also applying the regex inefficiently if you are storing a bunch of patterns that is then turned into nothing. The reason your regex is not working is the \b at the end. replace(""", ") that one wont work First off, I don’t think you need to use regex_replace, you can just use replace. In order to make it meaningless to preg_replace, Why would str_replace not replace question marks? 1. example in Java: String s = "\"en_usa\":[^\\,\\}]+"; now you can use this variable in your regexp or anywhere. * only if it isn't preceded by a backslash. Following is the response I gave, slightly updated to improve clarity: In other words, pairing something other than the quote mark with the quote mark makes the lazy repetition operator treat them as one node, and continue on it's way through the string. Step-by-step guide included. Posted by u/i_have_an_account - 2 votes and 4 comments Ask questions, find answers and collaborate at work with Stack Overflow for Teams. Commented Apr 13, 2018 at 12:04 So instead of following a regex replace approach, I would use a simple looping with a quotes balancing act. – Kemal Tezer Dilsiz. e. Hot Network Questions Combining Question Marks with Other Regex Features. 8k 26 Java regex exact match with question mark and word boundary. answered May 23, 2014 at 13:01. But i am not parsing some random HTML where everything can occur. 0. PHP Collective Join the question = "?" empty_str = "\\\"\\\"" for column in df. We are going to use the simplest approach which involves the usage of the regex pattern as well as replace() However, I figured out a neat way around this - if you make a text global and just put a " in it and then use that instead of where the quotation mark would normally be in the regex pattern that Regular Expressions (regex) are a powerful tool for autotagging texts, that is, identifying and using patterns to find and replace strings in order to add mark up to texts I need the word ‘preview’ replaced with the letter i (lowercase I). I want replace all characters in notepad++ from upper to lower (or vice versa) BUT, exclude from replacement, characters inside single quotation marks. For instance, say we have successfully imported data from the output. replace(/[. Better to copy formulas to external txt editor like notepad++ (find/replace = to /=; copy formulas to notepad++) and then make all your find/replace/regex Ask questions, find answers and collaborate at work with Stack Overflow for Teams. edited May 23, 2014 at 12:50. Try Teams for free Explore Teams. The engine always tries to match that part. Then my result is: XYZ(1,'Question0. Replace) c#; regex; Share. In this tutorial, you will learn how to replace all question marks in javascript. So next, let’s see how the punctuation marks get removed. The result should look like this: It can also be used to replace text, regex define a search pattern which is used for find and find and replace in string operations. To fix this problem I wanted to use preg_replace, searching for any kind of question marks The question is how can I use both of these techniques (or others if needed) to get a regex to find and a regex to replace each field which has a single quotation marks (i. In your example, it is being used to allow the or (|) of the start of the string ^ or whitespace (\s). This is the end result I need: https://i. Regular expressions with question mark. Inside the regular expression, a dot operators represents any character except the newline character, which is \n. Defining the Question Mark (?) Solved: I have several rows which are entirely question marks. Here are RegEx which return only the values between quotation marks (as the questioner was asking for): Double quotes only (use value of capture group #1): "(. I think its So the rule is double quotation marks for the C# compiler and double backslashes for the regex compiler--nice and easy. This symbol matches one or more characters. This approach may be useful in cases where you need to perform additional operations on each character in the string before removing punctuations, or if you need to process the string character-by-character rather than If you just want to replace what follows % but not what follows \%, in Perl, the easiest way is with a negative lookbehind: match %. A concise way to remove punctuation is by iterating through the string and including only alphanumeric characters and spaces. possible duplicate of Regex to remove newline character from string 'Name containing question mark?' makes lowercase, replaces the spaces with hyphens, removes the commas and then removes the question mark, but the question mark does not remove. This is useful to build complex regexes, e. XX goes to town. php; regex; or ask your own question. In this case, I need "Test": "Test1" to become: "Test": "Test2" I tried a lot of code. A question mark (?) is punctuation symbol which is used at the end of a sentence or phrase to indicate a direct question. *?[^\\])" Single quotes only (use value of capture When a string is interpolated as a regex, it isn't matched literally, but interpreted as a regex. 6. If that criteria isn't met, I prefer the shorthand. QUERY_STRING contains the I am unsure how to eliminate the quotation marks and spaces within this output. The 'classic Unix systems' do not support the simplest way to put the sign in square brackets String regex = "[?]" but if you need e. In regexes, the question mark is an operator meaning one or none. I know, why? I don’t know LOL. dot metacharacter. This is my input &lt;?xml version="1. Ask Question Asked 10 years, 1 month ago. Before we dive deep into how to replace special characters in our strings by using Python regex (re module), let us understand what these special characters are. Regex should accept use Notepad++ / find replace / extended search mode / wrap around = on-1- replace all [CRLF] with a unique set characters or a string (I used [~~]) find: \r\n and replace with: ~~ The file contents are now on one line only. matches newline. And then everything after the ? replaced with nothing. Good luck. It helps you make any RegEx pattern optional. regex match literal before question mark. Follow asked Jul 19, 2010 at 14:07. Also, based on your example, it should be case insensitive (//i) and the quotation marks are optional. About; Products For Teams; Stack Overflow Public questions & answers; Browse other questions tagged . Easier to extend to more characters than string replacement, since you can simply add the new character inside the square bracket and be done. # This returns true for any server name, even server names without dashes. ) negative lookahead that will require that the immediately following char on the right is not replace("My cat is cute", "cat", "dog") /* Output: "My dog is cute" */ Code language: JavaScript (javascript) This expression would tell the regex engine to search the input string for a sub-string that matches “cat”. Python regex metacharacters Regex . C# Regex is matching too much. java; regex; string; string-parsing; Share. Modified 10 years, Simple regex problem: Replacing words with A Regular Expression or RegEx is a special sequence of characters that uses a search pattern to find a string or set of strings. sub; or c) both. I wish to replace the question mark If you are using the TeXmaker software, you could use a regular expression with the Replace command (CTRL+R), and put the following into the Find field:. and *, in that order . replace(). columns: df = df. That's why it's called optional. : Captures any characters (except newline characters) between two double quotation See demo showing how this regex works. How to Use Replace() Method to Remove Punctuation. 3. it also captures the ' mark in it's own group for rearranging. 7. However, only when the "?" is between two letters: qu?est-ce que c?est should become qu'est-ce que c'est. But after that, you still have to check that everything is fine, and maybe you need to do some corrections. This will run as-is so you can verify the syntax with your installation. -2- Now we need to separate the header line. "": Matches a double quotation mark. innerText = result; }); You May Also Like: How to Replace If I have a string with any type of non-alphanumeric character in it: "This. The metacharacter that helps achieve laziness is the question mark ?. Regex Match qustion. \s*: Matches zero or more whitespace characters. ?:means make the capturing group a non capturing group, i. I don't want punctuation removed from words like 'you're', which is why I'm not using . Removing Question marks from string [closed] Ask Question Asked 11 years, 6 months ago. This means that: Hi+. How to properly escape question mark in regex? Hot Network Questions Ambiguity on the definition of a model in model theory Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; I would like to replace (and not remove) all punctuation characters by " " in a string in Python. Regex words between commas. That string contains a couple of regex special Specifically, we’ll cover the following methods: Using replace() method; Using translate() method; Using regular expressions; Using “for” loop; 1. Stack Overflow. Regular expression that works on dots. Any character means letters uppercase or lowercase, digits 0 through 9, and symbols such as the dollar ($) sign or the pound (#) symbol, punctuation mark (!) such as the question mark (?) Firstly a few of considerations: There could be multiple a characters within a single quote. var re = /I like your Apartment\. Follow answered Oct Ask questions, find answers and collaborate at work with Stack Overflow for Teams. NOTEPAD++ , Use the -replace operator with a RegEx pattern to replace text in a string. I want to replace the quotation marks in some strings. 4. One is about assiging macros to menus, etc. Related. [^\"\\\\]*)*\""); In Java, you always have to write them I am trying to parse an xml but before parsing it I am cleaning some unnecassary attributes from it by using Regex. i'm trying to remove question marks from a string in python and I'm wondering what the most efficient way to do it is. precede it by \"). I was just following the rule of thumb: never use a capturing group if a non-capturing group can do the job. Pattern = "(XXX\d+),(\d+XXX)" oRE. import string import re regex = re. It's just that I'm a bit confused about why the first question mark and colon are there. In GS, e. This is because all @10basetom: In many regex flavors, if you use capturing groups in the split regex, whatever they capture gets added to the results along with the regular tokens. The String variable from OCR looks like: Var = “NON-DISCLOSURE AGREEMENT\\r(“Agreement”)\\r\\a” and I need to remove the quotation marks surrounding Now, change the regular expression to "toys??2" and it still matches toys2 and toy2. In memoQ, they are used to define segmentation rules, auto-translation rules, or rules for the Regex tagger. So when using ; \? you match ; (no space) and ;<space> (one space). There are a number of patterns that match more than one character. You can't do that The answer to your question is in the docs for RewriteRule. If I escape the quote/apostrophe (backslash), no change. So it creeps along gingerly. Allowing Asterisks And Question Marks In A C# RegEx pattern. Regex properly? 0. However, capture groups are ideal for problems Performs a regex match: preg_match_all() Perform a global regular expression match: preg_replace_callback() Perform a regular expression search and replace using a callback: preg_replace() Perform a regular expression search and how can I remove Quotation mark using regex? I tried to implement it to the replace in strings but I went outside the like adding a string. – ckonig. Using the Regex Pattern A question may come up – will the solutions still work if we receive a string like this: So, all non-ASCII characters have been Regex is short for Regular Expression. Cœur. re. If I take the double quote out (or escape it, and put double instead of single outside the script, I get -bash: !][\'\: event not found. replace or re. Let's break down the regular expression @"^\s*""(. It seems like regex would be the best option for this. withColumn(column, regexp_replace(column, question, None) df = df. Hi, I got stuck at the following regex issue: I am OCR reading a document and using part of the read text as a new file name, thus have to remove all invalid characters, if any. *?\]$)(\[. Important to escape the ? (\?) because it is a reserved character for 0 or 1. POSIX wildcard character . sub (the regular-expression substitute method), depending on the value of a flag, and the default is to act like re. Also, with regex engines which support Ask questions, find answers and collaborate at work with Stack Overflow for Teams. One such quantifier is the question mark?. Since regex engine searches a string for a match from left to right, you will get the first match from the left. Input: hello (and "How" are you"?") Output: hello (and WORD are youWORD) Regex to replace string with quotes. 4,800 11 which matches "all non-question-mark characters in a string with minimum length 1". jquery removing everything after question mark in url. You can also use regular expressions in Find and replace, and in the Filter fields in the translation editor. To replace question marks, you need to put a tilde ( ~ ) in front of the question mark in your Find What box. Modified 8 years, 6 months ago. Help Center Detailed answers to any questions you might have ' this tells group 3 to stop at the ' mark. sub(' ', "This is, fortunately. New RegExp('/yourRegex/') is equivalent syntax. convertedString = Regex. Looking at the other commend where u/xlrod has a fix; what you have instead is char 65533 or - not a question mark, but a placeholder Unicode "I dunno what this is" character - that suggests your export wasn't right, and has mangled some characters. If we were to run the REPLACE T-SQL function against the data as we did in Script 3, we can already see in Figure 5 that the Javascript Regex Split Words that ends with dot, exclamation, question mark, comma and on whitespace 3 Split string by period but not if whitespace after period By default, sed uses the " POSIX basic regular expressions syntax", so the question mark must be escaped as \? to apply its special meaning, otherwise it matches a literal question mark. punctuation)) out = regex. The question mark next to the star makes the star lazy. How to Match all (I am certain that this question has already been asked, but I cannot find it. , which matches any character (except a newline). If the multiline (m) flag is enabled, also matches immediately before a line break character. Both with enabled "regex" option. !?])\\s*" The question mark (?) in a regular expression has several meanings and may define: a quantifier a lazy match a group name property a look-around (assertion) And to determine what is its meaning, it just depends on the context where it's Using PowerShell Regex Replace. For Python 3 str or Python 2 unicode values, str. 38. You must work around that. Is there a simple way doing what I want to do? This will replace anything outside that printable range as a question mark. One of the most common and useful ways to replace text with regex is by using Capture Groups. Excel is ill-equipped to do regex search properly. # Create array with Whenever you have a known pattern (i. Share. How can we make an apostrophe (U+0027) be accepted in Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Note the first question mark. (for C# using Regex. I to replace all Quotation mark in sentence to some word. replace(regex, "#"); output. First, be aware that the Pandas replace method is different from the standard Python one, which operates only on fixed strings. Please, there is someone can help me? This will be a huge time saver help!! The correct regular expression formulation of the glob expression d* is ^d, which means match anything that starts with d. For instance, you can use it with groups to make entire sections of a pattern optional. to split your strings by line without extra spaces at the start of the next line and exact contains the string with the sign delimiter - you should use String regex = "(?<=[. Since the author of this Ask questions, find answers and collaborate at work with Stack Overflow for Teams. and needs no escaping. Ask questions, find answers and collaborate at work with Stack Overflow for Teams. Scheduled Pinned Locked Moved Help wanted · · · – – – · · · 2 Posts 1 Posters 290 Views. a) makes sense (I think) but I'm not sure about b). str. Also: You're using a basic regular expression (no -r or -E option), so ? is not a special char. There is also a generic regex solution to replace any kind of fixed (and non-fixed, too) pattern in between double (or single) quotes: match the double- or single quoted substrings with the corresponding pattern, and use a callable as the replacement argumet to re. don't include its match as a back-reference. Java regex replacing double and single quotes. The RegEx pattern \D matches any character not a digit (equivalent This includes characters such as periods, commas, exclamation marks, and quotation marks. . – itsAllGood. Input boundary end assertion: Matches the end of input. The dot: . Using the "explicit" notation quickly clutters up the pattern and makes it hard to read. Could we schedule a viewing\?/g; ^^ ^^ Whenever you need to build a RegExp dynamically, use RegExp constructor notation The RegEx of accepted answer returns the values including their sourrounding quotation marks: "Foo Bar" and "Another Value" as matches. Ask Question Asked 12 years, 10 months ago. Firstly, some ground rules: `?` is not a special character in Java `?` is a reserved character in regex Optional question mark - regexp. ), and a regular expression that replaces it with the correct quotation? I am using Sublime Text which is able to use RegEX directly in the editor. Perl regex replace? 1. I I want to replace all semicolons that are enclosed in quotation marks with a space. Since the " used to tell the machine a text starts and ends here, you need to handle " inside in a specific way. When you replace literal quotation marks in your input with tags (such as the HTML <q> tag), don’t forget to remove the original quotation marks. Provide Line 2: Put in formattedStr the result of the replace method on str. A Test! string") # out = 'This is fortunately A Test string' Please be sure to answer the question. when I split on those, then I wind up with a string "name==p==" which I'll then split("\\=",2) and it gets me the key/value pair – Multiplexor Commented May 16, 2014 at 13:25 That will remove any question marks or dashes (minus signs) from your input. Is there a way I Is it possible to make a regular expression that finds all these ''something'' where something can be anything (including symbols, numbers etc. IgnoreCase); Given the discussion in the comments, there are a couple of points worth mentioning: The -E option applies to sed on MacOS X (tested 10. php: redirect to referer url but add something to querystring. Viewed 63 times 1 . As a special character, which is also a quantifier in this case, it matches 0 OR 1 of the preceding character. replace('/\. Here's some nice documentation. It's really better for me to direct you there rather than answer the question directly, because to manage Apache you'll need to read that whole page many times. It provides a gentler introduction than the corresponding section in the Library Reference. Would you care to elucidate? Thanks. PHP RegEx won't pick up question mark. you do not use a variable to build a RegExp), use literal regex notation where you only need to use single backslashes to escape special regex metacharacters:. In this case, want to set a variable using RegEx and then replace text with the variable. No submatch extraction, except for REGEXP_REPLACE, which always uses submatch extraction. I've the below text in my file C# Regular expression replace question mark. sub. $2") – This is a good approach, but removing all non-ASCII characters is overkill and will probably remove things you don't want, as others have indicated. Regex to replace a string not within quotes (single or double) 2. We would like to show you a description here but the site won’t allow us. The escape symbol should be doubled to represent a literal \ in the replacement pattern, where a back-reference to the text It’s not a direct answer to your question, but have a look at the pair of answers on quotation marks (that one linked, and the one below it). I just want to state that when putting regex in to replace, do not encapsulate it with quotes, mystring. Perl code for string replacement. – Your parenthesis must include 1) everything not the question mark character, zero to many times [^\?]*, and 2) the question mark character, in order for your use of the string parameter to yield the desired results. Pete Alvin Pete Alvin. How do I use regex? Combine the metacharacters . ) at the end of a sentence. RegEx use quantifiers to indicate the scope of a search string. The {3} part is not relevant to the question, I used it to find 3 consecutive question marks. How are you? should remain unchanged. Any help would be greatly appreciated. I did manage to get rid of the quote marks with factor(), but then could not get rid of the factors. How can I tell the function to replace only question marks that are not surrounded by quotes? Whats the correct regex? How would you replace a number followed by a question mark again followed by a number. change the dot to [\S\s]. Why would str_replace not replace question marks? 0. ---How to Replace a Qu As pointed out by user laalto, ? is a meta-character in regex. Regex replace issue with question mark. , -/ is #! an $ % ^ &amp; * example ;: {} of a = -_ string with `~)() punctuation" How If your IDE is IntelliJ Idea, you can forget all these headaches and store your regex into a String variable and as you copy-paste it inside the double-quote it will automatically change to a regex acceptable format. In the latter post there is also a link to a discussion in an OpenOffice forum explaining the regex statements used which, I think, will Try escaping the question mark after "php". Ask Question Asked 2 years, 9 months ago. Special characters are non-alphanumeric characters that have a special meaning or function in text processing. You could use \d for the [0-9] classes and use the question mark ? instead of the last {0,1} group. 0" encoding="UTF-8" Im using a Google Font (Amatic SC) that shows in his bold version a ®-symbol instead of an question mark. For example: this string: this is an example; "this is other ; example" Would return: this is an example; "this is other example" The question mark ? matches the previous element zero or one time. \\%wibble. \b: Word boundary assertion: Matches a word boundary. Modified 12 years, 10 months ago. Gsub does not like the quote marks with or or without the \. txt text file into a SQL Server database table. NET, Rust. 32. The cells values in one of the columns in the sheet may contain 0 or more occurences of the regular expression ^/?s (I understand this to be the regular expression representing a single alphabetic character followed by a single question mark and finally followed by a single lowercase s). It would be better to remove all Unicode "marks"; including non-spacing marks, spacing/combining marks, and enclosing marks. The second match in the remaining string is the character 'c'. It's more efficient without capturing groups. In both cases, it returns the entire string without the s removed. 1. The query component is indicated by the first question mark ("?") character and terminated by a number sign ("#") character or by the end of the URI. Regular expressions are a powerful means for finding character sequences in text. Input : abc#95988287?3008009095 Desired Result : 95988287 I tried: SELECT REGEXP_REPLACE('abc#95988287? ORACLE REGEX_REPLACE TO REPLACE A QUESTION MARK FOLLOWED BY A NUMBER. In this lesson, we'll shed light on this intriguing aspect of regex. In sed, you just need to escape capturing parentheses ( () ) and the quantifier + . C# Regular expression replace question mark. redd. sub where you may manipulate the match:. You may use the [[:punct:]] bracket expression with the [:punct:] POSIX character class and restrict it with the (?!\. R script file, “” is saved as ". The regex engine consumes the matched substring, so the string 'c dd ee' remains. So writing /yourRegex/ or . Add a comment | Your Answer Problem: Cannot find a consistent way to replace a random string between quotes with a specific string I want. html" from the replace clause. The question mark can be combined with other regex features to create more complex patterns. *$": ^: Asserts the start of the string. It's important. Text: Mr. Then it matches zero or more characters that are either a line break or white space. Furthermore, down the road if that number ever needs to change, I only need to change {3} to {n} and not re-parse the regex in my head or worry about messing it up; it requires less mental effort. From these matches the greediest one (see E61 - as many as possible) will be replaced with a ? thus resulting in two question-marks (one I've replaced quotation marks with XXX to avoind problems in Pattern and used your suggestion but didn't work: Dim oRE, text Set oRE = New RegExp oRE. * to match for any character 0 or more times. So this will work: What I want to do is strip any single or double quotes or apostrophes from a search query. I would add for each word, a single quotation mark like this: '000AA' 'Sylvester' 'Stallone' '000AD' 'Demi' 'Moore' I suppose that the best(and maybe the only way?) is to use notepadd++ find/replace with regex, but unluckily I have not enough knowledge. will I need to use regex to strip punctuation at the start and end of a word. <substitute>: A regex substitution expression to replace matches found in the input string. You should also master regular expressions - there are many tutorials. Hope there is a RegExp expert out there who can help? Windows Server: A family of Microsoft server operating systems that support enterprise-level management, data storage, applications, and communications. In regex, the dot corresponds to any character except a newline character. Use quotemeta to escape the ?: $html = 'Is this a question? Maybe. So you need to treat your first argument as Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Regex Pattern: [^\w\s] matches any character that is not a word character or whitespace. Remember that the use of the ? may change the greediness of patterns. When I run through my javascript compiler I get the error: Invalid regular expression: /?/: Nothing to repeat Question mark makes pattern optional (0 or 1 matches) We also looked at using regex to match and replace text in PowerShell, as well as some best practices and real-world examples. This means zero or one repetition of the previous character class or expression. Pattern = chr(34) text=oRE. Improve this answer. There are two terms pretty look alike in regex's Ask questions, find answers and collaborate at work with Stack Overflow for Teams. Replace method of . Regex replacement issues. This means the star will match as little as it has to in order for the next part of the expression to find a match. How to match a The safest way to store a list of options and arguments in variables is to use an array:. Actually I need the question mark to be deleted as So, I need a find/replace solution for the column which will replace all occurences of ? (question mark character) with a single quote character but only when the ? (question The regex Great\? matches the literal string Great followed by a literal question mark. I don't guarantee that'll fix it, but that's probably part of the problem. The corresponding option for the GNU version of sed is -r (or --regex-extended). How does replace work? The first parameter is a string or a RegEx. Numbers in the URL are dynamic. , you need to use "" to tell the machine you have a literal " inside the string literal. ) I need to replace anything between single quotes with \enquote{}, the capture to be put inside the curly brackets. Problem exists with bash in Debian and zsh in MacOS. Ask Question Asked 8 years, 6 months ago. [0-9]? Syntax: REGEXP_REPLACE(source string, regular expression string [,replace string, start from position number, nth occurrence, match argument ]) I am trying to replace hyphen, space and question marks with * using a regular expression in ColdFusion. Replace with empty string. ywyc ysr uepsgk poag mckmycx nyhv rcjz eicujap biazai aeuj flbuw cbured bwpqi abcm bqgw