String Validation with Dot Delimiters

CodingSnowflakeLast reported March 2025Low Frequency
Reported
1× across candidate reports
First seen
March 2025
Last reported
March 2025
Reported outcome
unknown

Problem Overview

Given an input string that may contain dots ('.') as delimiters between segments, determine whether the string is valid according to a set of rules. Known examples: 'aa.bb.cc' → True, 'aa..cc' → True, '.bb.cc' → False, '..cc' → False. The full rule set was not fully recalled by the candidate,…

  • The rest of the problem statement — full requirements, constraints, and edge cases
  • Approach and trade-offs — what passing candidates did, and the mistakes that sink people
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