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Stack Online Tools is a comprehensive, browser-based toolbox offering more than 100 free utilities for developers, designers, marketers and content creators. Organized by category โ including text tools (case converter, word counter, diff checker), encoding & security (Base64, hashes, QR codes), data/JSON tools, code/dev utilities (formatters, minifiers, regex tester), SEO & marketing items (meta-tag generator, URL slug tool), image/media tools and more โ it allows users to accomplish multiple tasks in one destination. The platform emphasises speed (with most tools loading in under one second), a privacy-first design (most processing happens client-side, minimal data collection) and accessibility (no account required to use core tools, commercial use permitted). It is maintained by a passionate team focused on democratizing access to essential online utilities.
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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 / almost 2 years ago
As a ruby developer, I was happy to find that VS Code / TextMate grammar files use the same regular expression engine called Oniguruma as ruby itself. Thus, I could be sure that when trying my regular expressions in my favorite online regex tool, rubular.com, there would be no inconsistencies due to the engine inner workings. - Source: dev.to / over 2 years ago
In my testing on a couple of regex testers (https://rubular.com/ & https://regex101.com/) this seems to select the postcode correctly each time. Source: about 3 years ago
Copied from Rubular ( a nice tool to test regexes ):. Source: over 3 years ago
To add on to this from a regex perspective - I find regex to be invaluable in my workflows. Once you learn the basics I always test and debug my strings using https://rubular.com because it has string hints at the bottom that are readily available. Source: over 3 years ago
RegExr - RegExr.com is an online tool to learn, build, and test Regular Expressions.
10015.io - 10015.io is an all-in-one toolbox offering many tools from various categories.
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.
Pine Tools - Imagine having 100 tools across various uses in one website.
RegexPlanet Ruby - RegexPlanet offers a free-to-use Regular Expression Test Page to help you check RegEx in Ruby free-of-cost.
A.Tools - Convenient and Easy-to-use Free Online Tools Collection