[Firestore] Add support for regexFind and regexFindAll

[dlarocque]

Adds support for regexFind and regexFindAll expressions in the Pipeline and RealtimePipeline API.

[gemini-code-assist]

Using Gemini Code Assist

The full guide for Gemini Code Assist can be found on our documentation page, here are some quick tips.

Invoking Gemini

You can request assistance from Gemini at any point by creating a comment using either /gemini <command> or @gemini-code-assist <command>. Below is a summary of the supported commands on the current page.

Feature	Command	Description

Customization

To customize Gemini Code Assist for GitHub experience, repository maintainers can create a configuration file and/or provide a custom code review style guide (such as PEP-8 for Python) by creating and adding files to a .gemini/ folder in the base of the repository. Detailed instructions can be found here.

Limitations & Feedback

Gemini Code Assist may make mistakes. Please leave feedback on any instances where its feedback is incorrect or counter productive. You can react with 👍 and 👎 on @gemini-code-assist comments. If you're interested in giving your feedback about your experience with Gemini Code Assist for Github and other Google products, sign up here.

[github-actions]

📝 PRs merging into main branch

Our main branch should always be in a releasable state. If you are working on a larger change, or if you don't want this change to see the light of the day just yet, consider using a feature branch first, and only merge into the main branch when the code complete and ready to be released.

[dlarocque]

/gemini review

[gemini-code-assist]

Code Review

This pull request introduces support for regexFind and regexFindAll expressions in the Firestore Pipelines API, along with corresponding test cases and internal evaluation logic. The changes are well-structured, adding new API methods, registering them, implementing their evaluation, and providing comprehensive tests. Overall, the new functionality is a valuable addition.

[dlarocque]

/gemini review

[gemini-code-assist]

Code Review

This pull request introduces support for regexFind and regexFindAll expressions in the Firestore Pipelines API. The implementation includes new API methods, evaluation logic, and comprehensive unit and instrumented tests. The code is well-structured, with clear separation of concerns, and includes good error handling for invalid regular expressions and unsupported capturing group scenarios. The Javadoc for the new API methods is thorough and provides helpful examples.