regular expressions 101
RegExr
rubular
Expresso
Regex Crossword
RegEx Generator
i Hate Regex
RegexOne
db<>fiddle
SQL Fiddle
DB Fiddle
Online SQL Editor
SQLZOO
SQLBolt
Codecademy
Rextester
regular expressions 101 db<>fiddleBased on our record, regular expressions 101 seems to be a lot more popular than db<>fiddle. While we know about 881 links to regular expressions 101, we've tracked only 20 mentions of db<>fiddle. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
In practice, the first unpaired ] is treated as an ordinary character (at least according to https://regex101.com/) - which does nothing to make this regex fit for its intended purpose. I'm not sure whether this is according to spec. (I think it is, though that does not really matter compared to what the implementations actually do.) Characters which are sometimes special, depending on context, are one more thing... - Source: Hacker News / 21 days ago
> unreadable once written (to me anyway) https://regex101.com can explain your regex back to you. - Source: Hacker News / 21 days ago
To try out our newfound regex, I will use the website called RegEx101. It's a superhero favourite, so you better bookmark it for later 🔖. - Source: dev.to / about 2 months ago
Let's break it down a bit. You can use Regex101 to follow me. - Source: dev.to / 3 months ago
URL: https://regex101.com What it does: Test and debug regular expressions with instant explanations. Why it's great: Simplifies regex learning and ensures patterns work as intended. - Source: dev.to / 4 months ago
Tools like db<>fiddle and SQL Fiddle allow you to write and test queries in a live environment without needing a local database setup. You can share your SQL examples with others by providing them with a unique link to your query. - Source: dev.to / 30 days ago
Also, reducing your problem down to a minimal reproducible example, along with some sample data (and ideally a http://sqlfiddle.com/ or https://dbfiddle.uk/ link) will get you much better answers. Source: about 2 years ago
Http://dbfiddle.uk has an AdventureWorks test DB that you could use. Source: about 2 years ago
If you used https://dbfiddle.uk to create a table, load it up with a minimum set of representative rows, then created a minimal, yet representative "first query" and then mocked up what you want your "second query"'s output to look like based on the example data, it might be way easier to comprehend what you are talking about. Source: about 2 years ago
Put it in a fiddle, like dbfiddle.uk or sqlfiddle.com. Source: over 2 years ago
RegExr - RegExr.com is an online tool to learn, build, and test Regular Expressions.
SQL Fiddle - A tool for easy online testing and sharing of database problems and their solutions.
rubular - A ruby based regular expression editor
DB Fiddle - An online tool for testing, sharing and collaborating on SQL snippets
Expresso - The award-winning Expresso editor is equally suitable as a teaching tool for the beginning user of regular expressions or as a full-featured development environment for the experienced programmer with an extensive knowledge of regular expressions.
Online SQL Editor - Free Online SQL Editor