[WIP] Add Email Format Validation for User Authentication

[Merango]

Add Email Format Validation for User Authentication

Description

Task

Implement Email Format Validation

Acceptance Criteria

• Implement RFC 5322 standard email format validation regex
  Ensure email validation prevents registration with invalid email formats
  Add database-level unique constraint on email field
  Create unit tests covering at least 10 different email format scenarios (valid and invalid)
  Implement case-insensitive email uniqueness check

Summary of Work

This pull request implements comprehensive email format validation to enhance form input security and user experience. The validation will ensure that email addresses entered in registration and login forms meet standard formatting requirements.

Changes Made

• Implement client-side email validation regex
• Add server-side email validation logic
• Create reusable email validation utility function
• Update form components to integrate email validation

Tests

• Verify regex matches valid email formats
• Confirm rejection of invalid email formats
• Test email validation across different form components
• Ensure consistent error messaging for invalid emails

Signatures

Staking Key

Gkn3eRUR8rbiHgjXYmXWKgBQnGQWEhJk1n9rvecfFxTm: 2G8CL4oYTs88ms5BDHgRfna1SRa3qzaNGtKnSYfVrutkygaztYW2SZ7XzN6kikfuj33WtaoXP9uNomHuYhH5E8PjgcGxpZ79fKywekjR81nCy2xgwHF3cvG2r1cNi5FSefuaxbTAFriK5AnfjbdpRSVAzE4W4Nr9f7WwFB5hEBJyFKX4BmRaDBsFYk5HpJ4A141GKNYESgpRs6YARDvUWfpTeJYr8TsQQtZT6bGbXUMyHHoGXxAeBvmN3uAgspVSNkXNXD9UPxcPsSVxPQEziHHR9szcZfBVtYKAYAmvTE8227oUKyD5sZGwyT2kHxD2fTMQRe84RYrWZm5BWyxtquH98JCnRgDNawNLFFK5twcWJ2AzEac44VfbxWY4ApjgfL176GtmUupYpVsaRQ48C49KYBUtqNqS

Public Key

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