copilot PR test

[uditmanav17]

Summary by Sourcery

New Features:

• Add email_utils module with functions for email validation, domain extraction, local part retrieval, and masking

[sourcery-ai]

Reviewer's Guide

Added a new email_utils module (copilot_pr_test.py) implementing basic email validation, domain/local-part extraction, and masking using a simplified regex and string operations, with noted edge-case and error-handling gaps.

File-Level Changes

Change	Details	Files
Introduce simplified email validation	Define a shorter regex pattern (_RE) Implement is_valid using _RE.match Add TODO comment about using fullmatch	copilot_pr_test.py
Add domain extraction utility	Implement get_domain with rfind to slice after last '@' Note bug when '@' is missing	copilot_pr_test.py
Add local-part extraction utility	Implement local_part using split('@') Lacks error handling for malformed addresses	copilot_pr_test.py
Add email masking function	Implement masked_email to show first N chars and mask the rest Silently returns original if invalid	copilot_pr_test.py

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[sourcery-ai]

Hey @uditmanav17 - I've reviewed your changes - here's some feedback:

• Use fullmatch instead of match in is_valid (and anchor the regex) to ensure the entire string is validated as an email address.
• Add explicit error handling in get_domain (and local_part) for addresses missing '@' so you don’t accidentally return the whole string or an incorrect substring.
• In masked_email, consider raising an error or returning a consistent masked placeholder for invalid emails instead of silently returning the original input.

Prompt for AI Agents

Please address the comments from this code review:
## Overall Comments
- Use fullmatch instead of match in is_valid (and anchor the regex) to ensure the entire string is validated as an email address.
- Add explicit error handling in get_domain (and local_part) for addresses missing '@' so you don’t accidentally return the whole string or an incorrect substring.
- In masked_email, consider raising an error or returning a consistent masked placeholder for invalid emails instead of silently returning the original input.

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