The Card Number Validation hole will go live in a day. Why not try and solve it ahead of time?
Evil Numbers (Long) in Raku in chars. Cheevos Holes Recent Holes Langs Medals Misc All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table brainfuck Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Intersection Inventory Sequence ISBN Jacobi Symbol Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Maze Medal Tally Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku v2 Ten-pin Bowling Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Crystal D Dart Elixir F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Lisp Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Crystal D Dart Elixir F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Lisp Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table brainfuck Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Intersection Inventory Sequence ISBN Jacobi Symbol Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Maze Medal Tally Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku v2 Ten-pin Bowling Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 # Golfer Lang Points Chars Time 1st Lydxn 🇨🇦 Raku 1,000 21 6 Sep 2022 1st nwellnhof 🇩🇪 Raku 1,000 21 11 Sep 2022 1st GrayJoKing 🇦🇺 Raku 1,000 21 16 Dec 2022 4th JayXon 🇺🇸 Raku 808 26 13 Sep 2022 5th Steffan153 🇫🇮 Raku 778 27 10 Dec 2022 6th SirBogman 🇺🇸 Raku 700 30 7 Sep 2022 6th DialFrost 🇸🇬 Raku 700 30 29 Jan 2023 6th pardouin 🇫🇷 Raku 700 30 23 Aug 2024 9th Natanaelel 🇸🇪 Raku 677 31 9 May 2023 10th trist224 🇫🇷 Raku 636 33 14 Dec 2022 10th SirFireball3521 Raku 636 33 16 Mar 2023 12th retrohun Raku 618 34 30 Dec 2022 12th ovs-code 🇩🇪 Raku 618 34 22 May 2024 14th sean-niemann 🇺🇸 Raku 600 35 6 Sep 2022 14th MeWhenI 🇻🇦 Raku 600 35 6 Sep 2022 14th Shanethegamer 🇺🇸 Raku 600 35 6 Sep 2022 14th scpchicken 🇵🇼 Raku 600 35 7 Sep 2022 14th neel11235813 Raku 600 35 3 Feb 2023 19th snoozingnewt 🇺🇸 Raku 488 43 22 Nov 2023 20th msbranicky Raku 396 53 10 Sep 2023 21st dokutan Raku 309 68 1 Aug 2024 22nd JRaspass 🇬🇧 Raku 11 1,955 6 Sep 2022 22nd KatieLG-Transpiler 🇬🇧 Raku 11 1,955 10 Sep 2022 22nd HumanoidCPU Raku 11 1,955 19 May 2024 22nd KatieLG 🇬🇧 Raku 11 1,955 2 Jun 2024 22nd Mabeloid 🇳🇴 Raku 11 1,955 11 days ago 1–26 of 26