An opinionated list of regular expression tools, tutorials, libraries, etc.
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Updated
Jun 4, 2024
A regular expression (shortened as regex or regexp), sometimes referred to as rational expression, is a sequence of characters that specifies a match pattern in text. Usually such patterns are used by string-searching algorithms for "find" or "find and replace" operations on strings, or for input validation.
Regular expression techniques are developed in theoretical computer science and formal language theory. They are used in search engines, in search and replace dialogs of word processors and text editors, in text processing utilities such as sed and AWK, and in lexical analysis. Regular expressions are also supported in many programming languages.
Different syntaxes for writing regular expressions have existed since the 1980s, one being the POSIX standard and another, widely used, being the Perl syntax.
An opinionated list of regular expression tools, tutorials, libraries, etc.
A compiled-away, type-safe, readable RegExp alternative
go语言里面高效,符合使用习惯的字符串相关的实用工具函数 The effective, idiomatic golang utils for go string
A CLI and library which tests with certainty if a regex pattern is safe from ReDoS attacks. Supported in the browser, Node and Deno.
Regular expression tools for JavaScript developers.
A command-line tool and Rust library with Python bindings for generating regular expressions from user-provided test cases
Describe the regexp under the cursor
Smooth find & replace CLI as it should be: simple file selection with globs, flexible patterns with regex and dynamic replacements from js code.
An implementation of regular expressions for Rust. This implementation uses finite automata and guarantees linear time matching on all inputs.
The fastest way to replace any text/file/piped stream content. Shipped with both NodeJS API & CLI out of the box!
Extended JavaScript regular expressions
A markdown parser with high extensibility.
ESLint plugin for finding regex mistakes and style guide violations.