CsvHelper
RegExr
CsvHelper | RegExr | |
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36 | 579 | |
4,539 | 9,548 | |
- | - | |
8.7 | 0.0 | |
8 days ago | about 1 month ago | |
C# | JavaScript | |
GNU General Public License v3.0 or later | GNU General Public License v3.0 only |
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CsvHelper
- CsvHelper – CSV Library for .NET
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What’s the quickest way I can log data and write it to a csv file?
I would also say either a logging framework or one of the many NuGet packages. Like CsvHelper.
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Parsing CSV?
I've been using CsvHelper for a long time and I quite like it. It's flexible and configurable enough to suit all my needs. Though the authors have unpleasant habit of introducing breaking changes (currently they are at major version 30).
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Best language for manipulating an Excel file.
It's really slow compared to (for example) csvhelper. I tried to use the built in microsoft stuff to handle a data transformation routine using excel files, turning them into csvs and using the csv library sped up the process from 3-4 minutes to about 8 seconds.
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Introducing: EasyCsv Dotnet
How might it compare to https://www.nuget.org/packages/CsvHelper/?
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The new type of SQL injection
Let me guess, you replaced a string.Split(',') with CsvHelper?
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C# . NET alternative for PowerShell Export-CSV
I use CSVHelper https://joshclose.github.io/CsvHelper/ it has a WriteRecords function that will write out your objects
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Creating a Web App using Excel
I would recommend looking at this popular library for reading / writing to csv files. https://joshclose.github.io/CsvHelper/
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Struggling with Open Source Documentation - csvhelper
This is probably a bit churlish to complain about, since it's an entirely free tool that has saved me a lot of time and effort, but I'm baffled by the documentation for CsvHelper by Josh Close.
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Saving datas with more than Excel limit of rows
https://joshclose.github.io/CsvHelper/ is a good library for creating CSVs, but you need to tell us more about who is consumer of this export and may be there is a more direct approach
RegExr
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Hot Springs
When thinking about how I might compare an arrangement to the contiguous group of damaged springs, I used regexr.com to experiment with very specific regexs that used the numbers.
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Demystifying Regular Expressions (Regex): A Chat Sheet Guide
There are plenty of online regex tools to test and experiment with regex patterns. Some popular ones include RegExr, RegEx101, and RegexPlanet.
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Camel Cards
Using regexr.com it at least appears to work as expected.
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[2023 Day 2] [Python] Stuck on the first task
If you are going to use RE's, use something like https://regexr.com/ to double check that they're doing what you want. I was suspicious of your 'cols = re.findall(r'\d+ .....', i)' line, and indeed it does miss some columns. You should rethink your column detection, and either not use REs or learn how to use capture groups and \w. There would then be no reason to use yet another RE in your column iterator to extract the numbers which you've already detected.
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2023 Day 2 Part A [Java] regex pattern not matching
First time posting here, let me know if I need to edit post to conform to any rules. My issue is that I'm trying to match regex pattern to separate out the number of cubes drawn and its color but my Matcher object seems to not be returning any matches so it's throwing a no match found exception when I try to call digitMatcher.group(). I have tested my regex pattern on sites like regexr and it seems to pass there but it's not working for some reason here. I use the same type of regex on day one and it work there so I'm not sure where my regex pattern is failing here. I'm talking about specifically in my isGameValid() method where I create a matcher base on a pattern I made above. Through debugging I know that I separated the string color pairing correctly and that my Matcher object has the correct regex pattern, it's just not matching for some reason. Any help would be appreciated. Code below:
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Trebuchet?!
Regexr has been an invaluable tool as a beginner.
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10 Lesser-Known Tools and Websites to Spice Up Your Developer Toolbox
RegExr simplifies working with regular expressions. This online tool provides a visual interface for building and testing regex patterns in real-time, making regex less intimidating.
- What regex flavour does vscode use in language-configuration.json
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Regex not working
Ho did you arrive at the regex? I usually use a website to , such as https://regex101.com/, https://regexr.com/, https://regex-generator.olafneumann.org/ in combination of each other, as some explain better than the other.
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Capture the first instance, but don't stop?
I pulled this into regexr.com and it yielded the same results except it removed :41:
What are some alternatives?
FileHelpers - The FileHelpers are a free and easy to use .NET library to read/write data from fixed length or delimited records in files, strings or streams
RegEx101 - This repository is currently only used for issue tracking for www.regex101.com
FluentValidation - A popular .NET validation library for building strongly-typed validation rules.
RegExpBuilder
RecordParser - Zero Allocation Writer/Reader Parser for .NET Core
Visual Studio Code - Visual Studio Code
Enums.NET - Enums.NET is a high-performance type-safe .NET enum utility library
CyberChef - The Cyber Swiss Army Knife - a web app for encryption, encoding, compression and data analysis
FlatMapper - FlatMapper is a library to import and export data from and to plain text files.
self-hosted - Sentry, feature-complete and packaged up for low-volume deployments and proofs-of-concept
Polly - Polly is a .NET resilience and transient-fault-handling library that allows developers to express policies such as Retry, Circuit Breaker, Timeout, Bulkhead Isolation, and Fallback in a fluent and thread-safe manner. From version 6.0.1, Polly targets .NET Standard 1.1 and 2.0+.
Regexly - WYSIWYG Regex playground for those who JavaScript