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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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Not Just HTML: Scraping Data from Messy PDFs

Not Just HTML: Scraping Data from Messy PDFs

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3 min read
Improving Go's Regex Performance: Addressing Slow Log Parsing and Template Processing in Real-World Benchmarks

Improving Go's Regex Performance: Addressing Slow Log Parsing and Template Processing in Real-World Benchmarks

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13 min read
Your Java Regex Just Silently Broke in Production. Here's How to Make That Impossible.

Your Java Regex Just Silently Broke in Production. Here's How to Make That Impossible.

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4 min read
AI Regex Generator vs Writing Regex Manually — Which Is Faster?

AI Regex Generator vs Writing Regex Manually — Which Is Faster?

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4 min read
AI Regex Generator: Build Accurate Patterns from Plain English in Seconds

AI Regex Generator: Build Accurate Patterns from Plain English in Seconds

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5 min read
I Built a Free Regex Tester - regexbox.com

I Built a Free Regex Tester - regexbox.com

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1 min read
Stop Writing Raw Regex in Java

Stop Writing Raw Regex in Java

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2 min read
Regex Cheat Sheet: 10 Patterns That Handle 90% of Real Work

Regex Cheat Sheet: 10 Patterns That Handle 90% of Real Work

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3 min read
Regex Lookahead and Lookbehind: Patterns Every Developer Should Know

Regex Lookahead and Lookbehind: Patterns Every Developer Should Know

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7 min read
Regex Cheat Sheet 2026: Patterns Every Developer Needs

Regex Cheat Sheet 2026: Patterns Every Developer Needs

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6 min read
When Regex Meets the DOM (And Suddenly It’s Not Simple Anymore)

When Regex Meets the DOM (And Suddenly It’s Not Simple Anymore)

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2 min read
The Complete Regex Cheat Sheet for 2026

The Complete Regex Cheat Sheet for 2026

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3 min read
Nairobi Property Listings Scraping: 500+ Property Listings with Smart Size Extraction

Nairobi Property Listings Scraping: 500+ Property Listings with Smart Size Extraction

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4 min read
Using Qlik Regex to Organise Messy Comment Fields

Using Qlik Regex to Organise Messy Comment Fields

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2 min read
Day 2 - Teaching Nmap to Think Like a Pentester (Python + Regex)

Day 2 - Teaching Nmap to Think Like a Pentester (Python + Regex)

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2 min read
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