Regex replace all commas inside quotes. This can also be used for any string that is not broken of course. For instance, =SUBSTITUTE(A1,"'","") will replace all single quotes in cell A1 with an empty string, effectively removing them. To remove unwanted single quotes, you can use the SUBSTITUTE function. Oct 1, 2016 · How to build a regex to remove all commas that are inside quotes (") using C# and then substitute them by @? Example: Initial string like this = (value 1,value 2,"value3,value4,value5",value 6) Jun 9, 2015 · hi there,i want to remove all the commas between double quotes:I tried below pattern , but it does not replace all if we have more than one comma in double quote. We would like to show you a description here but the site won’t allow us. Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/. Jan 8, 2026 · Splitting comma-separated strings with quoted values requires distinguishing between commas inside and outside quotes. If there can occur unclosed quotes at the end of the string (because it is cut/broken), try to replace ((?:^|")[^"]*"?)|, with $1. Aug 14, 1998 · If you're going to all the trouble to use regular expressions to make substitutions so that you can then just use a regular split, why not just use a regular expression to do the splitting instead? that way you don't accidentally translate | 's in the original source (if there are any) – SingleNegationElimination Nov 1, 2009 at 22:27 Nov 18, 2022 · 3 Altenatively, we could invert the problem (and keep the comma, which might be useful) and use a regex directly with separate_rows to split only at the comma NOT inside quotes: Oct 5, 2008 · The RegEx of accepted answer returns the values including their sourrounding quotation marks: "Foo Bar" and "Another Value" as matches. Here are RegEx which return only the values between quotation marks (as the questioner was asking for): Oct 26, 2015 · 8 My preferred solution to this problem (removing commas inside quoted regions) is to use replacements with an expression instead of trying to get this done in one regex. May 7, 2020 · Find the answer to your question by asking. As my answer tries to be educational, I explained in detail what it does. Commas in Excel Comma s play a crucial role in Excel formulas, separating arguments. This can be modeled as a look-ahead assertion: 6 days ago · Example 3: O’Malley – The single quote disrupts the name. NET, Rust. I implement a solution in perl, which process every line of a given input and only substitute commas in every other pair of quotes: Learn the regex patterns used to remove quotes from text, including single quotes, double quotes, smart quotes, and entire quoted blocks. Over 20,000 entries, and counting!. Search, filter and view user submitted regular expressions in the regex library. Say, as in you example above, you want to match \+. Actually, you can match all instances of a regex not inside quotes for any string, where each opening quote is closed again. Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/. SELECT REGEXP_REPLACE ('123, May 7, 2020 · CHECK Regular expression Replace all Explanation: (?:"|\G) # non capture group, double quote OR restart from last match position \d+ # 1 or more digits \K # forget all we have seen until this position , # a comma Screenshot (before): Screenshot (after): Share Improve this answer answered May 7, 2020 at 10:53 May 24, 2025 · I enhanced my answer with your better regular expression, as it handles all spaces around the comma, before and after. A general solution that can also handle several commas between balanced quotes needs a nested substitution. The key observation here is, that a word is outside quotes if there are an even number of quotes following it. Apr 21, 2015 · Select search mode as Regular Expression Click Replace All In notepad++, for placing any thing After value Press CTRL+H Replace $ with ' (sign you want to append at the end) Select search mode as Regular Expression Click Replace All Ex: After performing above steps AHV01 replaced with 'AHV01' Happy Learning!! Thanks. While regex works for simple cases, built-in CSV libraries are more robust for production code. See similar questions with these tags. To do this you need to prepend you replacement with \= to get the replacement treated as a vim expression. Includes copy-ready examples for JavaScript, Python, and PCRE engines. Learn how to effectively use regex to replace commas that are enclosed in double quotes, with a clear step-by-step guide and code examples. vyw elg wof kmg zgo pxo ven fca jqa hmy ryl zxp lme smn gjl