Tips for making JavaScript regex more readable using flags, named capture groups, whitespace, and the Regex+ library.
A comprehensive cheat sheet covering the basics of Regular Expressions (RegEx), including syntax, quantifiers, character classes, and practical examples.
Explains ECMAScript 2025's new regular expression pattern modifiers, allowing flags like case-insensitivity to be applied to specific parts of a regex.
A guide on using RenovateBot's custom managers with regex to update package versions in non-standard file locations like Dockerfiles and C# code.
A comprehensive guide to string handling in Rust, covering types, conversions, operations, and performance best practices.
A developer explores efficient testing strategies for 109+ regex-based code highlighting patterns, moving from individual tests to data-driven approaches.
A technical guide on implementing a custom language syntax highlighter using patterns and injections in the tempest/highlight library.
Learn how to use JavaScript regular expressions to extract numbers from strings, a common task when processing user input from forms.
A guide to using .NET's Regex.Replace with MatchEvaluator for complex string transformations, simplifying regex patterns with custom logic.
Explains three underutilized base R functions for string manipulation and data modification: regexec(), strrep(), and append().
Explains common mistakes in email validation and provides correct, permissive approaches for developers.
Explains how to use C# source generators with regular expressions in .NET 7+ for improved performance and debuggability.
A quick JavaScript solution for programmatically breaking text into lines at spaces with a maximum character limit.
Explains why using RegEx for URL validation in JavaScript can introduce security vulnerabilities like ReDoS attacks, and recommends safer alternatives.
Explains the key differences and similarities between regex patterns used in programming and glob patterns used in terminal file matching.
A beginner-friendly guide to common pitfalls and best practices when writing regular expressions, with examples in JavaScript.
A guide to three command-line methods for bulk renaming files, covering the 'rename' utility, 'xargs', and 'bash' loops.
Explains how to use JavaScript RegExp with backreferences to accurately match strings with single, double, or backtick quotes.
A technical guide on using Unicode property escapes in regex to detect Chinese characters in strings, offering a cleaner alternative to traditional methods.
A quick guide on using the sed command-line tool to remove specific XML tag blocks from a file, with important caveats.
