Robbie's Perl Programming Blog

For those not familiar with "The Weekly Challenge", it is a weekly programming puzzle with two parts, with a new pair of tasks each Monday. You can find it here: The Weekly Challenge The Weekly Challenge for the week of 2025-07-14 through 2025-07-20 is #330 The tasks for challenge #330 are as follows: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Task 330-1: Clear Digits Submitted by: Mohammad Sajid Anwar You are given a string containing only lower case English letters and digits. Write a script to remove all digits by removing the first digit and the closest non-digit character to its left. Example #1: Input: $str = "cab12" Output: "c" Round 1: remove "1" then "b" => "ca2" Round 2: remove "2" then "a" => "c" Example #2: Input: $str = "xy99" Output: "" Round 1: remove "9" then "y" => "x9" Round 2: remove ...

For those not familiar with "The Weekly Challenge", it is a weekly programming puzzle with two parts, with a new pair of tasks each Monday. You can find it here: The Weekly Challenge The Weekly Challenge for the week of 2025-06-30 through 2025-07-06 is #328 The tasks for challenge #328 are as follows: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Task 328-1: Replace all ? Submitted by: Mohammad Sajid Anwar You are given a string containing only lower case English letters and "?". Write a script to replace all "?" in the given string so that the string doesn’t contain consecutive repeating characters. Example 1 Input: $str = "a?z" Output: "abz" There can be many strings, one of them is "abz". The choices are 'a' to 'z' but we can't use either 'a' or 'z' to replace the '?'. Example 2 Input: $str = "pe?k" Output: "peak" Example 3 Inpu...

For those not familiar with "The Weekly Challenge", it is a weekly programming puzzle with two parts, with a new pair of tasks each Monday. You can find it here: The Weekly Challenge The Weekly Challenge for the week of 2025-07-07 through 2025-07-13 is #329 The tasks for challenge #329 are as follows: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Task 329-1: Counter Integers Submitted by: Mohammad Sajid Anwar You are given a string containing only lower case English letters and digits. Write a script to replace every non-digit character with a space and then return all the distinct integers left. Example #1: Input: $str = "the1weekly2challenge2" Output: 1, 2 2 is appeared twice, so we count it one only. Example #2: Input: $str = "go21od1lu5c7k" Output: 21, 1, 5, 7 Example #3: Input: $str = "4p3e2r1l" Output: 4, 3, 2, 1 I think I'll approach this by first using a regular expression in a s/// statement to chan...