Sponsor of the Day:
Jerkmate
https://theweeklychallenge.org/tags/aws/
Aws | The Weekly Challenge
You don't have to be an expert
weekly challengeaws
https://theweeklychallenge.org/blog/perl-weekly-challenge-020/
Perl Weekly Challenge - 020 | Aug 2019 | The Weekly Challenge
Perl Weekly Challenge - 020
perl weekly challengeaug 2019020
https://theweeklychallenge.org/blog/perl-regex/
Perl Regex | Mar 2025 | The Weekly Challenge
Discussion about the special variable ${^LAST_SUCCESSFUL_PATTERN} in Perl v5.38.
mar 2025weekly challengeperlregex
https://theweeklychallenge.org/sponsors/
Sponsors | The Weekly Challenge
Meet the amazing sponsors who make The Weekly Challenge possible.
weekly challengesponsors
https://theweeklychallenge.org/guests/
Guests | The Weekly Challenge
You don't have to be an expert
weekly challengeguests
https://theweeklychallenge.org/blog/perl-weekly-challenge-350/
The Weekly Challenge - 350 | Dec 2025 | The Weekly Challenge
The Weekly Challenge - 350
weekly challengedec 2025350
https://theweeklychallenge.org/blog/perl-weekly-challenge-181/
The Weekly Challenge - 181 | Sep 2022 | The Weekly Challenge
The Weekly Challenge - 181
weekly challengesep 2022181
https://theweeklychallenge.org/blog/github-actions/
GitHub Actions | Mar 2025 | The Weekly Challenge
Discussion about GitHub Actions.
github actionsmar 2025weekly challenge
https://theweeklychallenge.org/blog/perl-weekly-challenge-198/
The Weekly Challenge - 198 | Jan 2023 | The Weekly Challenge
The Weekly Challenge - 198
weekly challengejan 2023198
https://theweeklychallenge.org/
The Weekly Challenge
You don't have to be an expert
weekly challenge
https://theweeklychallenge.org/blog/perl-weekly-challenge-197/
The Weekly Challenge - 197 | Dec 2022 | The Weekly Challenge
The Weekly Challenge - 197
weekly challengedec 2022197
https://theweeklychallenge.org/blog/perl-weekly-challenge-368/
The Weekly Challenge - 368 | Apr 2026 | The Weekly Challenge
The Weekly Challenge - 368
weekly challengeapr 2026368
https://theweeklychallenge.org/blog/perl-weekly-challenge-054/
Perl Weekly Challenge - 054 | Mar 2020 | The Weekly Challenge
Perl Weekly Challenge - 054
perl weekly challengemar 2020054
https://theweeklychallenge.org/tags/go/
Go | The Weekly Challenge
You don't have to be an expert
weekly challengego
https://theweeklychallenge.org/blog/aws-kms-encryption/
AWS KMS Encryption | Jun 2025 | The Weekly Challenge
Discussion about AWS KMS Encryption.
aws kmsjun 2025weekly challengeencryption
https://wlmb.github.io/2022/02/21/PWC153/
Perl Weekly Challenge 153. – W. Luis Mochán. Blog. – Físico, investigador del ICF-UNAM.Physicist,...
Left factorials and Factorions
perl weekly challengeinvestigador del icfunam physicist153luis
https://theweeklychallenge.org/blog/perl-weekly-challenge-141/
The Weekly Challenge - 141 | Nov 2021 | The Weekly Challenge
The Weekly Challenge - 141
weekly challengenov 2021141
https://wlmb.github.io/2023/07/24/PWC227/
Perl Weekly Challenge 227. – W. Luis Mochán. Blog. – Físico, investigador del ICF-UNAM.Physicist,...
Friday 13th and Roman Maths
perl weekly challengeinvestigador del icfunam physicist227luis
https://theweeklychallenge.org/blog/recap-challenge-203/
RECAP - The Weekly Challenge - 203 | Jan 2026 | The Weekly Challenge
Quick recap of The Weekly Challenge - 203.
weekly challengejan 2026recap203
https://theweeklychallenge.org/blog/welcome-to-perl/
Welcome to Perl | Mar 2025 | The Weekly Challenge
Discussion about the different stages of running a perl script.
mar 2025weekly challengewelcomeperl
https://theweeklychallenge.org/blog/meet-the-champion-2024-01/
Meet The Champion: January 2024 | Mar 2024 | The Weekly Challenge
Get to know about Nelo Tovar.
january 2024weekly challengemeetchampionmar
https://www.gtabase.com/articles/grand-theft-auto-v/news/gta-online-420-event-final-week-new-weekly-challenge-new-bonuses-and-much-more-this-week
GTA Online 420 Event Final Week, New Weekly Challenge, New Bonuses and Much More This Week
gta onlineevent finalweek newweekly challenge420
https://andrewshitov.com/2023/02/13/dialogues-with-chatpgp-about-the-raku-programming-languages-solving-the-weekly-challange-204/
Dialogues with ChatPGP about the Raku programming language. Solving Task 1 of the Weekly Challenge...
raku programming languagetask 1weekly challengedialoguessolving
https://theweeklychallenge.org/blog/extraction-in-perl/
Text Extraction in Perl | Mar 2025 | The Weekly Challenge
Discussion about text extraction from image in Perl.
text extractionmar 2025weekly challengeperl
https://theweeklychallenge.org/blog/recap-challenge-236/
RECAP - The Weekly Challenge - 236 | Oct 2023 | The Weekly Challenge
Quick recap of The Weekly Challenge - 236.
weekly challengeoct 2023recap236
https://wlmb.github.io/2022/11/29/PWC193/
Perl Weekly Challenge 193. – W. Luis Mochán. Blog. – Físico, investigador del ICF-UNAM.Physicist,...
Binary String and Odd String
perl weekly challengeinvestigador del icfunam physicist193luis
https://dev.to/simongreennet/weekly-challenge-counting-the-index-oe1
Weekly Challenge: Counting the index - DEV Community
Mar 19, 2026 - Weekly Challenge 365 Each week Mohammad S. Anwar sends out The Weekly Challenge, a chance... Tagged with python, perl, theweeklychallenge.
weekly challengeindex devcountingcommunity
https://wlmb.github.io/2021/04/27/PWC110/
Perl Weekly Challenge 110. – W. Luis Mochán. Blog. – Físico, investigador del ICF-UNAM.Physicist,...
Valid phone numbers and Transpose file.
perl weekly challengeinvestigador del icfunam physicist110luis
https://theweeklychallenge.org/blog/perl-weekly-challenge-291/
The Weekly Challenge - 291 | Oct 2024 | The Weekly Challenge
The Weekly Challenge - 291
weekly challengeoct 2024291
https://theweeklychallenge.org/blog/lpw-2025/
London Perl Workshop 2025 | Dec 2025 | The Weekly Challenge
Event report for London Perl Workshop 2025.
london perl workshop2025 decweekly challenge
https://theweeklychallenge.org/blog/perl-weekly-challenge-286/
The Weekly Challenge - 286 | Sep 2024 | The Weekly Challenge
The Weekly Challenge - 286
weekly challengesep 2024286
https://gameranx.com/features/id/560837/article/gta-online-weekly-challenge-jan-29th-feb-4th-2026/
GTA Online Weekly Challenge: Jan 29th-Feb 4th, 2026 - Gameranx
Jan 30, 2026 - This week Rockstar has challenged its players to don their greasy best and deliver delicious pizza pies to the hungry citizens of Los Santos!
gta onlineweekly challengefeb 4thjan29th
https://theweeklychallenge.org/blog/recap-challenge-111/
RECAP - Perl Weekly Challenge - 111 | May 2021 | The Weekly Challenge
Quick recap of Perl Weekly Challenge - 111.
recap perl weeklymay 2021challenge111
https://www.merriam-webster.com/games/see-all
See All Weekly Challenge Quizzes | Merriam-Webster
See all of Merriam-Webster’s weekly challenge quizzes. Test your vocabulary and knowledge of the English language.
quizzes merriam websterweekly challengesee
https://theweeklychallenge.org/tags/kotlin/
Kotlin | The Weekly Challenge
You don't have to be an expert
weekly challengekotlin
https://theweeklychallenge.org/blog/aws-cloudfront/
AWS CloudFront | Jun 2025 | The Weekly Challenge
Discussion about AWS Customer Key Encryption.
jun 2025weekly challengeawscloudfront
https://theweeklychallenge.org/blog/recap-challenge-190/
RECAP - The Weekly Challenge - 190 | Apr 2026 | The Weekly Challenge
Quick recap of The Weekly Challenge - 190.
weekly challengeapr 2026recap190
https://andrewshitov.com/2020/09/07/add-up-fibonacci-numbers-the-weekly-challenge-77-task-1/
Add up Fibonacci numbers — The Weekly Challenge 77, Task 1 – Andrew Shitov
fibonacci numbersweekly challengetask 1andrew shitovadd
https://theweeklychallenge.org/blog/git-bisect/
git bisect ... | Mar 2025 | The Weekly Challenge
Discussion about the git bisect command.
git bisectmar 2025weekly challenge
https://theweeklychallenge.org/blog/recap-challenge-006/
RECAP - Perl Weekly Challenge - 006 | May 2019 | The Weekly Challenge
My personal take on the Challenge #006.
recap perl weeklymay 2019challenge006
https://theweeklychallenge.org/blog/recap-challenge-268/
RECAP - The Weekly Challenge - 268 | May 2024 | The Weekly Challenge
Quick recap of The Weekly Challenge - 268.
weekly challengemay 2024recap268
https://theweeklychallenge.org/blog/perl-weekly-challenge-212/
The Weekly Challenge - 212 | Apr 2023 | The Weekly Challenge
The Weekly Challenge - 212
weekly challengeapr 2023212
https://theweeklychallenge.org/blog/perl-weekly-challenge-338/
The Weekly Challenge - 338 | Sep 2025 | The Weekly Challenge
The Weekly Challenge - 338
weekly challengesep 2025338
https://theweeklychallenge.org/blog/perl-weekly-challenge-184/
The Weekly Challenge - 184 | Sep 2022 | The Weekly Challenge
The Weekly Challenge - 184
weekly challengesep 2022184
https://wlmb.github.io/2022/08/22/PWC179/
Perl Weekly Challenge 179. – W. Luis Mochán. Blog. – Físico, investigador del ICF-UNAM.Physicist,...
Ordinal number spelling and Unicode sparkline
perl weekly challengeinvestigador del icfunam physicist179luis
https://www.gtabase.com/articles/grand-theft-auto-v/news/gta-online-420-event-stoner-survival-new-mode-new-weekly-challenge-and-bonuses-rockstar-propaganda-unlock-and-more-this-week
GTA Online 420 Event, Stoner Survival New Mode, New Weekly Challenge and Bonuses, Rockstar...
gta onlinesurvival newweekly challenge420event
https://wlmb.github.io/2021/11/09/PWC138/
Perl Weekly Challenge 138. – W. Luis Mochán. Blog. – Físico, investigador del ICF-UNAM.Physicist,...
Workdays and Split number
perl weekly challengeinvestigador del icfunam physicist138luis
https://theweeklychallenge.org/blog/perl-weekly-challenge-226/
The Weekly Challenge - 226 | Jul 2023 | The Weekly Challenge
The Weekly Challenge - 226
weekly challengejul 2023226
https://blog.firedrake.org/archive/2026/04/The_Weekly_Challenge_369__Divided_Validity.html
RogerBW's Blog: The Weekly Challenge 369: Divided Validity
I’ve been doing the Weekly Challenges. The latest involved string mangling. (Note that this ends today.)
weekly challenge 369rogerbwblogdividedvalidity
https://theweeklychallenge.org/blog/perl-weekly-challenge-271/
The Weekly Challenge - 271 | May 2024 | The Weekly Challenge
The Weekly Challenge - 271
weekly challengemay 2024271
https://wlmb.github.io/2022/01/31/PWC150/
Perl Weekly Challenge 150. – W. Luis Mochán. Blog. – Físico, investigador del ICF-UNAM.Physicist,...
Fibonacci words and Square-free integer
perl weekly challengeinvestigador del icfunam physicist150luis
https://www.merriam-webster.com/games/see-all?p=3
See All Weekly Challenge Quizzes | Merriam-Webster
See all of Merriam-Webster’s weekly challenge quizzes. Test your vocabulary and knowledge of the English language.
quizzes merriam websterweekly challengesee
https://theweeklychallenge.org/blog/perl-weekly-challenge-051/
Perl Weekly Challenge - 051 | Mar 2020 | The Weekly Challenge
Perl Weekly Challenge - 051
perl weekly challengemar 2020051
https://theweeklychallenge.org/p5-reviews/
Perl Solution Reviews | The Weekly Challenge
Perl Solution Reviews
solution reviewsweekly challengeperl
https://theweeklychallenge.org/blog/perl-weekly-challenge-087/
The Weekly Challenge - 087 | Nov 2020 | The Weekly Challenge
The Weekly Challenge - 087
weekly challengenov 2020087
https://theweeklychallenge.org/guest-contributions/
Guest Contributions | The Weekly Challenge
You don't have to be an expert
guest contributionsweekly challenge
https://theweeklychallenge.org/blog/recap-challenge-173/
RECAP - The Weekly Challenge - 173 | Jul 2022 | The Weekly Challenge
Quick recap of The Weekly Challenge - 173.
weekly challengejul 2022recap173
https://theweeklychallenge.org/blog/recap-challenge-128/
RECAP - The Weekly Challenge - 128 | Sep 2021 | The Weekly Challenge
Quick recap of The Weekly Challenge - 128.
weekly challengesep 2021recap128
https://theweeklychallenge.org/blog/recap-challenge-329/
RECAP - The Weekly Challenge - 329 | Apr 2026 | The Weekly Challenge
Quick recap of The Weekly Challenge - 329.
weekly challengeapr 2026recap329
https://theweeklychallenge.org/blog/recap-challenge-358/
RECAP - The Weekly Challenge - 358 | Mar 2026 | The Weekly Challenge
Quick recap of The Weekly Challenge - 358.
weekly challengemar 2026recap358
https://wlmb.github.io/2024/04/01/PWC263/
Perl Weekly Challenge 263. – W. Luis Mochán. Blog. – Físico, investigador del ICF-UNAM.Physicist,...
Target Index and Merge Items
perl weekly challengeinvestigador del icfunam physicist263luis
https://theweeklychallenge.org/blog/recap-challenge-347/
RECAP - The Weekly Challenge - 347 | Apr 2026 | The Weekly Challenge
Quick recap of The Weekly Challenge - 347.
weekly challengeapr 2026recap347
https://wlmb.github.io/2023/11/20/PWC244/
Perl Weekly Challenge 244. – W. Luis Mochán. Blog. – Físico, investigador del ICF-UNAM.Physicist,...
Count Smaller and Group Hero
perl weekly challengeinvestigador del icfunam physicist244luis
https://kolouch.net/perlweeklychallenge/blog-369.html
Perl Weekly Challenge 369 - Valid Tag and Group Division
perl weekly challenge369validtaggroup
https://theweeklychallenge.org/tags/webassembly/
WebAssembly | The Weekly Challenge
You don't have to be an expert
weekly challengewebassembly
https://theweeklychallenge.org/blog/recap-challenge-259/
RECAP - The Weekly Challenge - 259 | Oct 2025 | The Weekly Challenge
Quick recap of The Weekly Challenge - 259.
weekly challengeoct 2025recap259
https://theweeklychallenge.org/blog/perl-weekly-challenge-088/
The Weekly Challenge - 088 | Nov 2020 | The Weekly Challenge
The Weekly Challenge - 088
weekly challengenov 2020088
https://theweeklychallenge.org/blog/perl-weekly-challenge-132/
The Weekly Challenge - 132 | Sep 2021 | The Weekly Challenge
The Weekly Challenge - 132
weekly challengesep 2021132
https://theweeklychallenge.org/blog/perl-weekly-challenge-100/
The Weekly Challenge - 100 | Feb 2021 | The Weekly Challenge
The Weekly Challenge - 100
weekly challengefeb 2021100
https://theweeklychallenge.org/blog/recap-challenge-165/
RECAP - The Weekly Challenge - 165 | May 2022 | The Weekly Challenge
Quick recap of The Weekly Challenge - 165.
weekly challengemay 2022recap165
https://theweeklychallenge.org/blog/perl-weekly-challenge-231/
The Weekly Challenge - 231 | Aug 2023 | The Weekly Challenge
The Weekly Challenge - 231
weekly challengeaug 2023231
https://theweeklychallenge.org/blog/perl-weekly-challenge-299/
The Weekly Challenge - 299 | Dec 2024 | The Weekly Challenge
The Weekly Challenge - 299
weekly challengedec 2024299
https://theweeklychallenge.org/blog/perl-weekly-challenge-207/
The Weekly Challenge - 207 | Mar 2023 | The Weekly Challenge
The Weekly Challenge - 207
weekly challengemar 2023207
https://theweeklychallenge.org/blog/recap-challenge-046/
RECAP - Perl Weekly Challenge - 046 | Feb 2020 | The Weekly Challenge
Quick recap of Perl Weekly Challenge - 046.
recap perl weeklyfeb 2020challenge046
https://packy.dardan.com/2026/04/15/perl-weekly-challenge-strings-will-tear-us-apart/
Perl Weekly Challenge: Strings Will Tear Us Apart | Packy’s Place
perl weekly challengetear us apartstringsplace
https://theweeklychallenge.org/blog/perl-weekly-challenge-047/
Perl Weekly Challenge - 047 | Feb 2020 | The Weekly Challenge
Perl Weekly Challenge - 047
perl weekly challengefeb 2020047
https://theweeklychallenge.org/blog/perl-weekly-challenge-285/
The Weekly Challenge - 285 | Sep 2024 | The Weekly Challenge
The Weekly Challenge - 285
weekly challengesep 2024285
https://theweeklychallenge.org/blog/recap-challenge-234/
RECAP - The Weekly Challenge - 234 | Sep 2023 | The Weekly Challenge
Quick recap of The Weekly Challenge - 234.
weekly challengesep 2023recap234
https://andrewshitov.com/2023/02/13/solving-task-2-of-the-weekly-challenge-204-with-the-help-of-chatgpt/
Solving Task 2 of the Weekly Challenge 204 with the help of ChatGPT – Andrew Shitov
task 2weekly challengeandrew shitovsolving204
https://wlmb.github.io/2025/04/07/PWC316/
Perl Weekly Challenge 316. – W. Luis Mochán. Blog. – Físico, investigador del ICF-UNAM.Physicist,...
Circular and Subsequence
perl weekly challengeinvestigador del icfunam physicist316luis
https://forum.askgamblers.com/topic/56498-weekly-challenge-6-collect-the-most-free-spins-screenshots-100-tokens-50-loyalty-points-50-admin-points/
Weekly Challenge 6 - Collect the Most Free Spins Screenshots! 100 Tokens & 50 Loyalty Points & 50...
weekly challengefree spins100 tokens50 loyalty6
https://wlmb.github.io/2022/09/12/PWC182/
Perl Weekly Challenge 182. – W. Luis Mochán. Blog. – Físico, investigador del ICF-UNAM.Physicist,...
Max Index and Common Path
perl weekly challengeinvestigador del icfunam physicist182luis
https://theweeklychallenge.org/blog/perl-weekly-challenge-176/
The Weekly Challenge - 176 | Aug 2022 | The Weekly Challenge
The Weekly Challenge - 176
weekly challengeaug 2022176
https://theweeklychallenge.org/champions/
Champions | The Weekly Challenge
Perl Weekly Challenge (PWC) Champions
weekly challengechampions
https://perlweeklychallenge.org/blog/perl-weekly-challenge-026/
Redirecting to https://theweeklychallenge.org/blog/perl-weekly-challenge-026
perl weekly challengeredirectinghttpsblog026
https://theweeklychallenge.org/blog/perl-weekly-challenge-144/
The Weekly Challenge - 144 | Dec 2021 | The Weekly Challenge
The Weekly Challenge - 144
weekly challengedec 2021144
https://theweeklychallenge.org/blog/recap-challenge-369/
RECAP - The Weekly Challenge - 369 | Apr 2026 | The Weekly Challenge
Quick recap of The Weekly Challenge - 369.
weekly challenge 369apr 2026recap
https://andrewshitov.com/category/perl-weekly-challenge/
Perl Weekly Challenge – Andrew Shitov
perl weekly challengeandrew shitov
https://theweeklychallenge.org/tags/
Tags | The Weekly Challenge
You don't have to be an expert
weekly challengetags
https://theweeklychallenge.org/blog/recap-challenge-181/
RECAP - The Weekly Challenge - 181 | Sep 2022 | The Weekly Challenge
Quick recap of The Weekly Challenge - 181.
weekly challengesep 2022recap181
https://theweeklychallenge.org/blog/perl-weekly-challenge-058/
Perl Weekly Challenge - 058 | Apr 2020 | The Weekly Challenge
Perl Weekly Challenge - 058
perl weekly challengeapr 2020058
https://theweeklychallenge.org/blog/perl-weekly-challenge-062/
Perl Weekly Challenge - 062 | May 2020 | The Weekly Challenge
Perl Weekly Challenge - 062
perl weekly challengemay 2020062
https://theweeklychallenge.org/blog/perl-weekly-challenge-180/
The Weekly Challenge - 180 | Aug 2022 | The Weekly Challenge
The Weekly Challenge - 180
weekly challengeaug 2022180
https://theweeklychallenge.org/blog/perl-weekly-challenge-367/
The Weekly Challenge - 367 | Mar 2026 | The Weekly Challenge
The Weekly Challenge - 367
weekly challengemar 2026367
https://theweeklychallenge.org/blog/perl-weekly-challenge-245/
The Weekly Challenge - 245 | Nov 2023 | The Weekly Challenge
The Weekly Challenge - 245
weekly challengenov 2023245
https://theweeklychallenge.org/blog/guest-contribution/
The Weekly Challenge - Guest Contributions | Apr 2026 | The Weekly Challenge
Contributions by guest.
weekly challengeguest contributionsapr 2026
https://theweeklychallenge.org/chart/
Chart | The Weekly Challenge
Perl Weekly Challenge (PWC) Chart
weekly challengechart
https://theweeklychallenge.org/blog/recap-challenge-249/
RECAP - The Weekly Challenge - 249 | Jan 2024 | The Weekly Challenge
Quick recap of The Weekly Challenge - 249.
weekly challengejan 2024recap249
https://theweeklychallenge.org/blog/taint/
Taint in Perl | Jun 2022 | The Weekly Challenge
Discussion on taint in Perl.
jun 2022weekly challengetaintperl
https://theweeklychallenge.org/blog/recap-challenge-108/
RECAP - Perl Weekly Challenge - 108 | Apr 2021 | The Weekly Challenge
Quick recap of Perl Weekly Challenge - 108.
recap perl weeklyapr 2021challenge108