db<>fiddle
SQL Fiddle
DB Fiddle
Online SQL Editor
SQLZOO
SQLBolt
Codecademy
Rextester
RegExr
regular expressions 101
rubular
Expresso
Regex Crossword
i Hate Regex
RegEx Generator
RegexPlanet Ruby
db<>fiddle RegExrBased on our record, RegExr seems to be a lot more popular than db<>fiddle. While we know about 367 links to RegExr, 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.
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 / about 1 month 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
However - here it becomes weird - when testing the original regex rule (the first one, without the \u00A0 part) on the same string in an interactive visualiser (https://regexr.com/ for instance), there is a match:. - Source: dev.to / 7 months ago
Learned regex in the 90's from the Perl documentation, or possibly one of the oreilly perl references. That was a time where printed language references were more convenient than searching the internet. Perl still includes a shell component for accessing it's documentation, that was invaluable in those ancient times. Perl's regex documentation is rather fantastic. `perldoc perlre` from your terminal. Or... - Source: Hacker News / 9 months ago
I read a lot on https://www.regular-expressions.info and experimented on https://rubular.com since I was also learning Ruby at the time. https://regexr.com is another good tool that breaks down your regex and matches. One of the things I remember being difficult at the beginning was the subtle differences between implementations, like `^` meaning "beginning of line" in Ruby (and others) but meaning "beginning of... - Source: Hacker News / 9 months ago
Mostly building things that needed complex RegEx, and debugging my regular expressions with https://regexr.com/. - Source: Hacker News / 9 months ago
For username: You are using the min() function to make sure the characters are not below three and, then the max() function checks that the characters are not beyond twenty-five. You also make use of Regex to make sure the username must contain only letters, numbers, and underscore. - Source: dev.to / 10 months ago
SQL Fiddle - A tool for easy online testing and sharing of database problems and their solutions.
regular expressions 101 - Extensive regex tester and debugger with highlighting for PHP, PCRE, Python and JavaScript.
DB Fiddle - An online tool for testing, sharing and collaborating on SQL snippets
rubular - A ruby based regular expression editor
Online SQL Editor - Free Online SQL Editor
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.
