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Regular Expressions

A regular expression (shortened as regex or regexp also referred to as regular expression) is a sequence of characters that specifies a search pattern.

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Stop Writing Unreadable Regex - Build Patterns the Fluent Way in C#
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Stop Writing Unreadable Regex - Build Patterns the Fluent Way in C#

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3 min read
Regular Expressions in Python: The Complete Guide to Finally Understanding Regex
Cover image for Regular Expressions in Python: The Complete Guide to Finally Understanding Regex

Regular Expressions in Python: The Complete Guide to Finally Understanding Regex

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2 min read
Java String 다루기 - 정규식, StringTokenizer, ReflectionToStringBuilder

Java String 다루기 - 정규식, StringTokenizer, ReflectionToStringBuilder

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1 min read
정규표현식 완벽 가이드: 그룹, 반복, Lookahead/Lookbehind

정규표현식 완벽 가이드: 그룹, 반복, Lookahead/Lookbehind

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2 min read
Ruby 예외 처리와 정규 표현식

Ruby 예외 처리와 정규 표현식

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1 min read
Regular Expressions - Groups, Lookahead, and Patterns

Regular Expressions - Groups, Lookahead, and Patterns

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2 min read
How to Use Regex for Data Validation in the BoldSign API
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How to Use Regex for Data Validation in the BoldSign API

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4 min read
RegExp vs String Manipulation in Go language
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RegExp vs String Manipulation in Go language

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4 min read
Regular Expressions Fast – JavaScript Regex (Beginner to Pro)
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Regular Expressions Fast – JavaScript Regex (Beginner to Pro)

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3 min read
Why We Replaced Our Orchestrator with a 'Regex' Switch
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Why We Replaced Our Orchestrator with a 'Regex' Switch

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4 min read
Understanding Regex: The Simplest Guide.
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Understanding Regex: The Simplest Guide.

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2 min read
Grepfruit v3.2: Programmatic API for Text Search

Grepfruit v3.2: Programmatic API for Text Search

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1 min read
Rubree: A Modern Ruby Regex Editor Running Fully in Your Browser
Cover image for Rubree: A Modern Ruby Regex Editor Running Fully in Your Browser

Rubree: A Modern Ruby Regex Editor Running Fully in Your Browser

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3 min read
I built a free AI Regex & SQL Generator to save developers time (no login, open models)

I built a free AI Regex & SQL Generator to save developers time (no login, open models)

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2 min read
Type-Safe Regex Matching from First Principles

Type-Safe Regex Matching from First Principles

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9 min read
From 0 to 11 Bugs Fixed: How GoAWK Battle-Tested My 3000x Faster Regex Engine
Cover image for From 0 to 11 Bugs Fixed: How GoAWK Battle-Tested My 3000x Faster Regex Engine

From 0 to 11 Bugs Fixed: How GoAWK Battle-Tested My 3000x Faster Regex Engine

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4 min read
Go's Regexp is Slow. So I Built My Own - up to 3000x Faster
Cover image for Go's Regexp is Slow. So I Built My Own - up to 3000x Faster

Go's Regexp is Slow. So I Built My Own - up to 3000x Faster

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8 min read
How I Use AI To Write Regex Without Memorizing Anything

How I Use AI To Write Regex Without Memorizing Anything

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2 min read
Understanding Regular Expressions in JavaScript (Beginner’s Guide)
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Understanding Regular Expressions in JavaScript (Beginner’s Guide)

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3 min read
How I built a free AI Regex Generator using Hugging Face + Next.js (no API costs)

How I built a free AI Regex Generator using Hugging Face + Next.js (no API costs)

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2 min read
Mastering Regular Expressions with the Regex Tester Tool
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Mastering Regular Expressions with the Regex Tester Tool

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2 min read
Regex Gotchas? Localized Repair to the Rescue! by Arvind Sundararajan

Regex Gotchas? Localized Repair to the Rescue! by Arvind Sundararajan

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2 min read
Master Regex for Free: 3 Fun and Interactive Sites Every Dev Should Know
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Master Regex for Free: 3 Fun and Interactive Sites Every Dev Should Know

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2 min read
# Regex Replace Plugin for Obsidian

# Regex Replace Plugin for Obsidian

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7 min read
Learning regex is hard, so I made a drag-and-drop regex builder

Learning regex is hard, so I made a drag-and-drop regex builder

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1 min read
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