[MGNLFORM-251] Make email validation more robust Created: 25/Nov/14  Updated: 15/Dec/14  Resolved: 04/Dec/14

Status: Closed
Project: Magnolia Form Module
Component/s: field, validation
Affects Version/s: 2.2.8
Fix Version/s: None

Type: Improvement Priority: Minor
Reporter: Richard Gange Assignee: Unassigned
Resolution: Duplicate Votes: 1
Labels: support
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
duplicate
duplicates MGNLFORM-248 Improve email validator Closed
Template:
Acceptance criteria:
Empty
Task DoD:
[ ]* Doc/release notes changes? Comment present?
[ ]* Downstream builds green?
[ ]* Solution information and context easily available?
[ ]* Tests
[ ]* FixVersion filled and not yet released
[ ]  Architecture Decision Record (ADR)

 Description   

The reg exp used by the form module for email validation is:

(^$|^\S+@\S+$)

This could be improved.

Something like:

[-0-9a-zA-Z.+_]+@[-0-9a-zA-Z.+_]+\.[a-zA-Z]{2,4}

Source: http://blog.trojanhunter.com/2012/09/26/the-best-regex-to-validate-an-email-address/

Or the same expression used in our ui form module:

^([a-zA-Z0-9_\\.\\-+])+@(([a-zA-Z0-9-])+\\.)+([a-zA-Z0-9]{2,4})+$

Found in: com.vaadin.data.validator.EmailValidator


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