A curated collection of resources and tools for learning and using Regular Expressions (RegEx) in the R programming language.
A visual cheat sheet for the stringr package in R, originally created in French and translated to English, for string manipulation tasks.
Explains why complex regexes are often wrong and unmaintainable, advocating for simpler, more robust validation methods.
Fixing a TypeScript error in AngularJS when initializing a RegExp object incorrectly, with two valid solutions.
A developer investigates a performance bottleneck caused by regex validation in AutoMapper and explores faster alternatives for string validation.
Overview of new and upcoming ECMAScript regular expression features like dotAll mode, lookbehind assertions, named capture groups, and Unicode property escapes.
A technical guide exploring advanced JavaScript regex concepts: grouping, capturing groups, and the RegEx API for pattern matching.
A beginner-friendly introduction to Regular Expressions in JavaScript, covering basic concepts, syntax, and practical applications.
Explains how to use Unicode property escapes (\p{...}) in JavaScript regexes, a feature added in ES2018, for matching characters by script, category, or properties like emoji.
A guide on creating a new TAP lexer for the Pygments syntax highlighter to format code in documentation.
A technical guide on how to automatically parse and embed YouTube videos in a static site built with the Hakyll framework using custom filters and regex.
Explains the new Unicode 'u' flag in ES2015 JavaScript regex, covering syntax, dot operator, quantifiers, and character class behavior.
A PHP tutorial on using regular expressions to convert hashtags, mentions, and URLs in tweets into clickable HTML links.
Explores browser inconsistencies in validating HTML5 input type='url' and provides a regex pattern to fix validation issues.
Explains how to use regex lookahead to simulate AND, NOT, and EXCEPT operations for complex pattern matching.
Explores teaching approaches: starting with general rules vs. specific cases, using regex quantifiers as a primary example.
A guide to creating complex, readable regular expressions in JavaScript by composing them from smaller, reusable sub-patterns.
A guide to building a WordPress plugin that uses regex to convert Microsoft Word footnotes into a web-friendly format for the Simple Footnotes plugin.
