Top all-time · #16046
Illya Gerasymchuk
Personal blog · iluxonchik.github.ioprogrammingsecurity
Illya Gerasymchuk writes >illya.sh/blog, a personal blog at iluxonchik.github.io about programming and security. Since 2016, 4 different Hacker News readers have linked it 8 times, most often “Regular Expression That Checks If A Number Is Prime”. The last post was in 2024, but the archive is still widely read.
Too few sampled comments (1) to say how often HN recommends it.?
Why HN links it
The comments do not judge the writing. The linked post covers the power of regular expressions, and one commenter reflects on regex in computer science versus applied programming, recalling students debating whether a regex can detect primes.
Summarised by Claude from a sample of 1 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.
Financial and software engineer building consumer and financial systems. Senior software engineer at Revolut (Retail & AI), with work in machine learning, cryptographic protocols, and agentic systems.
Most-linked posts?
- Regular Expression That Checks If A Number Is Prime3 people · 3 mentions · first linked 2016-09-08
- Why People Should Learn Python2 people · 2 mentions · first linked 2016-08-22
What Hacker News says?
I find this to be an interesting side effect of computer science as a branch of mathematics vs applied computer science in "programming" and "development". I remember touring the computer science building at the university I would end up attending before I had enrolled there - some students in one room were discussing whether there was a regular expression for detecting prime numbers. I laughed to myself - because i…
Comment linking /regular-expression-check-if-number-is-prime/
on “The true power of regular expressions (2012)”Submitted Why People Should Learn Python as a story · 345 points
HN discussionThank you :) Regarding the XSS attack, I have the answer here: https://iluxonchik.github.io/chave-movel-digital-xss/#commen... I did not, thank you for suggesting, I will do it now.
Comment linking /chave-movel-digital-xss/
on “Weak Security and Vulnerabilities in the Portuguese Government's Auth System”Submitted Regular Expression That Checks If A Number Is Prime as a story · 294 points
HN discussionSubmitted Weak Security and Vulnerabilities in the Portuguese Government's Auth System as a story · 16 points
HN discussionSubmitted Why You Should Learn Python as a story · 5 points
HN discussionSubmitted Regular Expression That Checks If a Number Is Prime (2016) as a story · 4 points
HN discussionSubmitted Design Patterns Notes – An Overview of Design Patterns as a story · 1 points
HN discussion