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fix: improve email validation regex #1251

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Merged
merged 3 commits into from
Jun 14, 2025
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abhix4
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@abhix4 abhix4 commented Jun 8, 2025

Description

implemented strict email validation .

before:
image

after:
image


Type of Change

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  • 🐛 Bug fix (non-breaking change which fixes an issue)
  • ✨ New feature (non-breaking change which adds functionality)
  • 💥 Breaking change (fix or feature with breaking changes)
  • 📝 Documentation update
  • 🎨 UI/UX improvement
  • 🔒 Security enhancement
  • ⚡ Performance improvement

Areas Affected

Please check all that apply:

  • Email Integration (Gmail, IMAP, etc.)
  • User Interface/Experience
  • Authentication/Authorization
  • Data Storage/Management
  • API Endpoints
  • Documentation
  • Testing Infrastructure
  • Development Workflow
  • Deployment/Infrastructure

Testing Done

Describe the tests you've done:

  • Unit tests added/updated
  • Integration tests added/updated
  • Manual testing performed
  • Cross-browser testing (if UI changes)
  • Mobile responsiveness verified (if UI changes)

Security Considerations

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  • No sensitive data is exposed
  • Authentication checks are in place
  • Input validation is implemented
  • Rate limiting is considered (if applicable)

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  • I have read the CONTRIBUTING document
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Summary by CodeRabbit

  • Bug Fixes
    • Improved email address validation to better detect invalid formats when composing emails.

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coderabbitai bot commented Jun 8, 2025

Walkthrough

The email validation logic in the email composer component was updated to use a more restrictive regular expression, tightening the criteria for what is considered a valid email address. No changes were made to exported or public entity declarations.

Changes

File(s) Change Summary
apps/mail/components/create/email-composer.tsx Updated the regex in the isValidEmail function for stricter email validation.

Suggested reviewers

  • needleXO

Poem

A regex hops with nimble feet,
Tightening checks for emails neat.
No stray addresses slip the net,
Only valid forms are met.
The composer smiles, its job well done—
A stricter filter, a cleaner run!
🐇📧


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📒 Files selected for processing (1)
  • apps/mail/components/create/email-composer.tsx (1 hunks)
🚧 Files skipped from review as they are similar to previous changes (1)
  • apps/mail/components/create/email-composer.tsx
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Actionable comments posted: 0

🧹 Nitpick comments (2)
apps/mail/components/create/email-composer.tsx (2)

65-65: Add unit tests for email validation edge cases
There’s no existing test coverage for the updated regex. Please add unit tests covering both valid and invalid email samples (e.g., subdomains, plus‐addressing, quoted local parts) to prevent regressions.


64-67: Align with Zod’s email validation
The form schema uses z.string().email() which has its own rules. Consider reusing Zod’s validation or ensuring both validators behave identically to avoid inconsistent UX between form submission and inline entry.

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📥 Commits

Reviewing files that changed from the base of the PR and between 4dd2537 and 81e5721.

📒 Files selected for processing (1)
  • apps/mail/components/create/email-composer.tsx (1 hunks)
🔇 Additional comments (1)
apps/mail/components/create/email-composer.tsx (1)

65-65: Ensure regex strictness matches requirements
The new pattern /^[a-zA-Z0-9._+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$/ disallows characters that are technically valid per RFC (quotes, % signs, single quotes, numeric TLDs, etc.). Please verify that this narrower set of allowed emails aligns with your validation policy.

@MrgSub MrgSub merged commit ffd48c3 into Mail-0:staging Jun 14, 2025
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