Top all-time · #6309
Dr. Regex
Personal blog · drregex.comprogramming
Dr. Regex is a personal blog at drregex.com about programming. Since 2017, 12 different Hacker News readers have linked it 13 times, most often “How to match “A B C” where A+B=C: The Beast Reborn”. The last post was in 2019, but the archive is still widely read.
Too few sampled comments (5) to say how often HN recommends it.?
Why HN links it
HN readers link Dr. Regex for its regex walkthroughs and worked examples, such as matching "A B C" where A+B=C and a workaround for variable-length lookbehind. Comments cite these posts as references.
Summarised by Claude from a sample of 5 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.
Unique, esoteric insight into the world of regular expressions.
Most-linked posts?
- How to match “A B C” where A+B=C: The Beast Reborn4 people · 4 mentions · first linked 2018-11-02
- /2019/02/variable-length-lookbehinds-actually.html2 people · 2 mentions · first linked 2021-04-23
- How to match “A B C” where A+B=C with a regex2 people · 2 mentions · first linked 2018-09-06
What Hacker News says?
how about this "match "A B C" where A+B=C"[1] for sanity? [1] http://www.drregex.com/2018/11/how-to-match-b-c-where-abc-be...
Comment linking /2018/11/how-to-match-b-c-where-abc-beast-reborn.html
on “Show HN: Regex Cheatsheet”Submitted How to Match “A B C” where A+B=C: The Beast Tamed (2018) as a story · 95 points
HN discussionDid that end up becoming a problem in all the other distros using aliased directories, for example Fedora which has 10 years of experience with this scheme? An quick look on Fedora 35 with $ grep -rP "(?!(?=(?'a'[\s\S]*))(?'b'\/usr(?=\k'a'\z)|(?<=(?=x^|(?&b))[\s\S])))\/bin\/(?!(sh|ksh|zsh|bsh|bash|dash|mount|umount|echo|true|false|ls|rm|mv|ln|cat))" /usr/bin doesn't really show any objectionable binaries being refer…
Comment linking /2019/02/variable-length-lookbehinds-actually.html
on “Debian still having trouble with merged /usr”Submitted How to match “A B C” where A+B=C with a regex as a story · 4 points
HN discussion> variable length lookbehind, which isn't supported by Perl It is supported: https://perldoc.perl.org/perl5300delta#Core-Enhancements Work-around for all previous versions: http://www.drregex.com/2019/02/variable-length-lookbehinds-a...
Comment linking /2019/02/variable-length-lookbehinds-actually.html
on “Some useful regular expressions for programmers”Submitted How to match 'A B C' where A+B=C: The Beast Reborn as a story · 3 points
HN discussionWonder what happened to the regex101 demo link [1], it just redirects to home page [1] https://regex101.com/r/8e2iU1/2 --- Edit: Found a newer article [2] which does point a working regex101 link [3] [2] http://www.drregex.com/2018/11/how-to-match-b-c-where-abc-be... [3] https://regex101.com/r/QsFZ5M/2
Comment linking /2018/11/how-to-match-b-c-where-abc-beast-reborn.html
on “How to Match “A B C” where A+B=C: The Beast Tamed (2018)”Submitted How to match “A B C” where A+B=C: The Beast Reborn as a story · 2 points
HN discussionAnd here's a followup: http://www.drregex.com/2018/11/how-to-match-b-c-where-abc-be... (with a rege101 demo that's still live)
Comment linking /2018/11/how-to-match-b-c-where-abc-beast-reborn.html
on “How to match “A B C” where A+B=C with a regex”Submitted How to Match “A B C” where A+B=C: The Beast Tamed as a story · 2 points
HN discussionSubmitted Match Nested Brackets with Regex: A New Approach as a story · 2 points
HN discussionSubmitted Lookahead Quantification: An utterly loopy trick as a story · 1 points
HN discussionSubmitted How to match “A B C” where A+B=C: The Beast Reborn as a story · 1 points
HN discussion
