Regular Expressions Page 5 - DEV Community

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northbell for Apify

Sep 1

I scraped 89 job postings to find out how my salary parser was lying to me

#webscraping #javascript #regex #debugging

9 min read

Oct 4

I built a daily regex game. Scoring regex fairly was the hard part

#regex #javascript #gamedev #webdev

5 min read

FF

Oct 4

I built a regex debugger that shows every backtrack (flame graph included)

#regex #debugging #javascript #performance

3 min read

Mahiro Hirakawa

Sep 4

Four filters returned nothing and I read all four as nothing being there

#regex #debugging #testing #shell

3 min read

FF

Oct 4

Benchmarking regex patterns properly: P95/P99, equivalence checks, real engines

#regex #benchmarking #performance #webdev

2 min read

FF

Oct 4

Testing automata-theory exercises in the browser: a regex flavor for CS coursework

#regex #computerscience #education #theory

2 min read

Okinawa Software Lab

Sep 24

I ran my file-type detector over 8,900 real files. It found failures my 260 tests had missed.

#python #testing #security #regex

18 min read

PDF4me

Aug 20

Regex Against a PDF: The One Endpoint That Skips OCR Entirely

#api #pdf #regex #automation

6 min read

Aug 13

The Regex That Took Down Cloudflare for 27 Minutes

#regex #computerscience #security #programming

2 min read

AI Dev Hub

Aug 11

Debugging a 41-second regex hang with a regex tester in 2026

#debugging #performance #regex #tools

6 min read

Aurelio Nakamura

Sep 12

I built a ReDoS scanner that proves each bug offline — and hands you a verified fix

#showdev #security #regex #javascript

5 min read

Mahiro Hirakawa

Sep 5

An unquoted heredoc halved my backslashes and turned a character class into the letter w

#bash #shell #regex #debugging

4 min read

Aug 6

Stop letting your AI guess: The case for deterministic Regex in MCP

#ai #security #regex #programming

4 min read

Max

Jul 30

Parsing Trading Data With Regex: Test a Whole Suite of Cases at Once, Not One String

#regex #python #webdev #tutorial

4 min read

Jul 30

The Regex Bug That Passes Code Review, Passes Tests, and Takes Down Prod

#javascript #security #regex #node

6 min read

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