Search Results for "regular expressions"
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Showing 166 open source projects for "regular expressions"
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1
sd
Intuitive find & replace CLI (sed alternative)
sd is an intuitive find-and-replace CLI. Painless regular expressions. sd uses regex syntax that you already know from JavaScript and Python. Forget about dealing with quirks of sed or awk - get productive immediately. Non-regex find & replace. No more backslashes or remembering which characters are special and need to be escaped. Find & replace expressions are split up, which makes them easy to read and write. -
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Scripting Course
Books, reference guides and resources on Regular Expressions
Scripting Course is a curated learning hub for command-line text processing, scripting languages, regular expressions, and Vim. It brings together numerous books and reference guides maintained by the same author. Topics include Python, JavaScript, and Ruby regular expressions alongside GNU grep, sed, awk, and Coreutils. Separate material covers Python fundamentals, practical Python projects, Ruby and Perl one-liners, Linux command-line computing, and Vim. ... -
3
re2
Alternative to backtracking regular expression engines
...In POSIX mode, RE2 accepts standard POSIX (egrep) syntax regular expressions. In Perl mode, RE2 accepts most Perl operators. The only excluded ones are those that require backtracking (and its potential for exponential runtime) to implement. These include backreferences (submatching is still okay) and generalized assertions. The Syntax page documents the supported Perl-mode syntax in detail. -
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Melody
Melody is a language that compiles to regular expressions
Melody is a language that compiles to regular expressions and aims to be more easily readable and maintainable. All quantifiers can be preceded by lazy to match the least amount of characters rather than the most characters (greedy). -
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5
RE2/J
linear time regular expression matching in Java
...This makes RE2/J ideal for applications that must handle user-supplied regular expressions securely without the risk of denial-of-service through regex backtracking. While it omits some advanced features like backreferences and certain Java regex options, it supports the vast majority of practical expressions used in production code. RE2/J thus provides a reliable, safe, and scalable alternative for developers. -
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grex
A command-line tool and library for generating regular expressions
grex is a library as well as a command-line utility that is meant to simplify the often complicated and tedious task of creating regular expressions. It does so by automatically generating a single regular expression from user-provided test cases. The resulting expression is guaranteed to match the test cases which it was generated from. This project has started as a Rust port of the JavaScript tool regexgen written by Devon Govett. Although a lot of further useful features could be added to it, its development was apparently ceased several years ago. ... -
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Fluent Reader
Modern desktop RSS reader built with Electron, React, and Fluent UI
...Does Source only come with snippets? Configure to load full content with Mercury Parser, load webpage in the app, or open externally by default. Find anything you want with the power of regular expressions. Search in both titles and full contents of articles. Mark articles as starred, hidden, or unread and filter as they arrive with custom rules based on regular expressions. -
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Scrapy
A fast, high-level web crawling and web scraping framework
Scrapy is a fast, open source, high-level framework for crawling websites and extracting structured data from these websites. Portable and written in Python, it can run on Windows, Linux, macOS and BSD. Scrapy is powerful, fast and simple, and also easily extensible. Simply write the rules to extract the data, and add new functionality if you wish without having to touch the core. Scrapy does the rest, and can be used in a number of applications. It can be used for data mining, monitoring... -
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Ace Editor
Ace (Ajax.org Cloud9 Editor)
Ace is an embeddable code editor written in JavaScript. It matches the features and performance of native editors such as Sublime, Vim and TextMate. It can be easily embedded in any web page and JavaScript application. Ace is maintained as the primary editor for Cloud9 IDE and is the successor of the Mozilla Skywriter (Bespin) project. -
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ecode
Lightweight multi-platform code editor designed for modern hardware
ecode is a lightweight multi-platform code editor designed for modern hardware with a focus on responsiveness and performance. It has been developed with the hardware-accelerated eepp GUI, which provides the core technology for the editor. The project comes as the first serious project using the eepp GUI, and it's currently being developed to improve the eepp GUI library as part of one of its main objectives. -
11
CLI text processing with GNU awk
Example based guide to mastering GNU awk
...It teaches the language through hundreds of short demonstrations rather than relying mainly on abstract syntax descriptions. Readers learn how awk can select records, work with fields, transform text, apply regular expressions, and build reusable processing commands. More advanced material develops progressively from the same practical style. The repository includes example files and code snippets so commands can be reproduced locally. Exercises test each major concept, and complete solutions are supplied in a separate document. An interactive TUI application also provides a hands-on way to practice selected exercises. -
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Apache Log4j
Apache Log4j 2 is a versatile, feature-rich, efficient logging API
Apache Log4j is a versatile, industrial-grade Java logging framework composed of an API, its implementation, and components to assist the deployment for various use cases. Log4j is used by 8% of the Maven ecosystem and listed as one of the top 100 critical open source software projects. The project is actively maintained by a team of several volunteers and supported by a big community. -
13
PDF4QT
Open source PDF editor
...Basic browsing and lots of other functionalities, such as encryption, reading a document, verification of digital signatures, editing of annotations, searching for text using regular expressions, drawing pages into an image, and much more. Several plug-ins are available. -
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Mock Service Worker
Seamless REST/GraphQL API mocking library for browser and Node.js
...Request the same production resources and test the actual behavior of your app. Augment an existing API, or design it as you go, when there is none. Use Express-like routing syntax to capture outgoing requests. Parameters, wildcards, regular expressions, mocking has never been easier. Browser usage is what sets Mock Service Worker apart from other tools. Utilizing the Service Worker API, which can intercept requests for the purpose of caching, Mock Service Worker responds to captured requests with your mock definition on the network level. This way your application knows nothing about the mocking. -
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Python-programming-exercises
100+ Python challenging programming exercises
...It is designed to help learners practice problem solving through short exercises rather than full applications. The exercises cover fundamentals such as strings, numbers, loops, lists, dictionaries, functions, regular expressions, file handling, classes, generators, and algorithmic thinking. Many problems include both a prompt and a suggested solution, making the repository useful for self-study and interview-style practice. The project is especially helpful for beginners who already know basic syntax and want structured repetition. It can also serve as a compact reference for instructors or mentors who need practical Python exercises. -
16
npm-check-updates
Find newer versions of package dependencies
...Filter packages using the --filter option or adding additional cli arguments. You can exclude specific packages with the --reject option or prefixing a filter with !. Supports strings, wildcards, globs, comma-or-space-delimited lists, and regular expressions. Direct dependencies are updated to the latest stable version. -
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mypy-baseline
Integrate mypy in seconds with existing codebase
A CLI tool for painless integration of mypy with an existing Python project. When you run it for the first time, it will remember all types of errors that you already have in the project (generate “baseline”). All consecutive runs will ignore these errors and report only the ones that you introduced after that. -
18
Minify
Go minifiers for web formats
...Users can add new implementations that are triggered based on a mime-type (or pattern) or redirect to an external command (like ClosureCompiler, UglifyCSS,). Minifiers or bindings to minifiers exist in almost all programming languages. Some implementations are merely using several regular expressions to trim whitespace and comments. -
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learn_python3_spider
Python crawler tutorial series, learning Python crawlers from 0 to 1
...It introduces request capture, browser and mobile traffic inspection, and core scraping libraries such as Requests, BeautifulSoup, Selenium, Appium, and Scrapy. Lessons also cover JSON parsing, regular expressions, concurrency, proxy usage, login handling, and CAPTCHA-related techniques. Data can be stored with CSV, MySQL, or MongoDB examples. More advanced material explores anti-scraping defenses, JavaScript analysis, WebSocket data, and distributed crawlers. The repository includes practical source-code examples for scraping several real-world websites and services. -
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JavaCore
JavaCore is a summary of experience with Java core technologies
...It begins with syntax, data types, object-oriented programming, methods, arrays, exceptions, generics, reflection, annotations, and strings. Advanced material covers regular expressions, encoding, encryption, internationalization, Java 8 features, and the service provider interface. Separate sections explain collections, streams, traditional I/O, NIO, serialization, sockets, and networking. Its concurrency coverage includes threads, locks, atomics, thread pools, concurrent containers, synchronization, and the Java Memory Model. ... -
21
Racket
The Racket repository
...The rest of the Racket distribution source code is in other repositories, mostly under the Racket GitHub organization. Racket programmers typically program with functions, records, objects, exceptions, regular expressions, modules, and threads. That is, instead of a “minimalist” language, which is the way that Scheme is often described, Racket offers a rich language with an extensive set of libraries and tools. Libraries are not restricted to exporting values, such as functions; they can also define new syntactic forms. In this sense, Racket isn’t exactly a language at all; it’s more of an idea for how to structure a language so that you can extend it or create entirely new languages. -
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Micronaut Data
Ahead of Time Data Repositories
...The problem is worse when combined with Hibernate which maintains its own meta-model as you end up with duplicate meta-models. Micronaut Data instead moves this model into the compiler. Both GORM and Spring Data use regular expressions and pattern matching in combination with runtime generated proxies to translate a method definition on a Java interface into a query at runtime. No such runtime translation exists in Micronaut Data and this work is carried out by the Micronaut compiler at compilation time. -
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Python for OSINT
In this repository you will find sample code files for each day
...It accompanies a free course PDF and provides sample code for lessons organized across three weeks. Topics progress from basic syntax and command-line tools to HTTP requests, APIs, JSON, CSV, databases, scraping, regular expressions, proxies, and file handling. Later lessons cover domain research, document generation, charts, maps, web archives, dates, and simple web applications. The course is designed for investigators and researchers rather than people seeking comprehensive software-engineering training. Exercises emphasize modifying working examples and applying them to practical research tasks. ... -
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International Components for Unicode
The home of the ICU project source code
ICU is a mature, widely used set of C/C++ and Java libraries providing Unicode and Globalization support for software applications. ICU is widely portable and gives applications the same results on all platforms and between C/C++ and Java software. ICU is released under a nonrestrictive open-source license that is suitable for use with both commercial software and with other open-source or free software. Convert text data to or from Unicode and nearly any other character set or encoding.... -
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httpexpect
End-to-end HTTP and REST API testing for Go
...Headers, cookies, payload: JSON, urlencoded or multipart forms (encoding using form package), plain text. Custom reusable request builders and request transformers. Type-specific assertions, supported types: object, array, string, number, boolean, null, datetime. Regular expressions. Simple JSON queries (using subset of JSONPath), provided by jsonpath package. JSON Schema validation, provided by gojsonschema package.
