Codex Query
You are building an internal search engine for a digital library archive. Scholars need a tool that searches manuscript files for passages matching a regular expression pattern. Return the line number and contents of each matching passage.

- build.gradle
The full README and the hidden test suite are available once you open the byte in your CodeSubmit workspace. Candidates never see the hidden tests.
Standard engineering judgment. Multiple edge cases worth handling.
More Java bytes
Your task is to convert a signal code number into a string of beacon alert patterns.

Your task is to convert an alert code number into a string of alarm chime sounds.

The archive code verification process is used to validate catalog identifiers. These usually contain dashes and look like: 3-598-21508-8.

Convert a number, represented as a sequence of digits in one base, to another base by following a base trail.
A maintenance beacon board spells out numbers using a 3 x 4 grid of pipes, underscores, and spaces. Decode the digits, preserve any unreadable glyphs as ?, and join multiple rows with commas.
Track a signal beacon that awards points based on how close a shot lands to the center of a circular target.