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CodeSignal

Real-World Regex in JavaScript: Performance and Integration

via CodeSignal

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Overview

Put all your skills together to build production-ready regex. You'll learn to write fast, efficient patterns, handle international text, and create maintainable code. The course culminates in a capstone project where you build a complete data processing pipeline from scratch, just like a professional.

Syllabus

  • Unit 1: Regex Performance in JavaScript
    • Extracting the First Message Block with Lazy Quantifiers
    • Measuring Catastrophic Backtracking in Email Validation
    • Fix Catastrophic Backtracking in Email Validation
  • Unit 2: Unicode Regex in JavaScript
    • Building a Social Media Hashtag Analyzer with Unicode Support
    • Fix the Weather Alert System with Unicode Normalization
    • Fix Unicode Word Boundaries in Content Moderation
    • Validating International Usernames with Unicode Normalization
  • Unit 3: Maintainable Regex Patterns
    • Debug Component-Based Regex for Git Commit Parsing
    • Refactor URL Pattern into Reusable Components
    • Extending URL Parser with Query String Component
    • Build a Complete Log Message Parser from Scratch
  • Unit 4: Building ETL Pipelines
    • Parsing IoT Sensor Logs with Named Capture Groups
    • Validate IoT Sensor Readings
    • Redacting Email Addresses in Registration Logs
    • Building a Financial Transaction ETL Pipeline

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