Customer name validation is failed if name contains only special characters

[KaushikChavda]

Preconditions and environment

• Magento version Adobe Commerce ver. 2.4.5-p5
• Suppose you have various old customer which was created in 2020 and only contains special characters
• then name validator \Magento\Customer\Model\Validator\Name::isValidName is failed
• Method should be validated name like this.

private function isValidName($nameValue)
    {
        if ($nameValue != null) {
            if (preg_match(self::PATTERN_NAME, $nameValue, $matches)) {
                return $matches[0] == $nameValue;
            } else {
                return false;
            }
        }

        return true;
    }

• Anything else that would help a developer reproduce the bug

Steps to reproduce

• Update any customer's first name and last name with special characters only
• then open that customer from the backend Magento
• and just shave that customer Magento

Expected result

we should get the errors like this,

1. First Name is not valid!
2. Middle Name is not valid!
3. Last Name is not valid!

Actual result

its saved the customer with the special charactersIt

Additional information

No response

Release note

No response

Triage and priority

• Severity: S0 - Affects critical data or functionality and leaves users without workaround.
• Severity: S1 - Affects critical data or functionality and forces users to employ a workaround.
• Severity: S2 - Affects non-critical data or functionality and forces users to employ a workaround.
• Severity: S3 - Affects non-critical data or functionality and does not force users to employ a workaround.
• Severity: S4 - Affects aesthetics, professional look and feel, “quality” or “usability”.

[m2-assistant]

Hi @KaushikChavda. Thank you for your report.
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[m2-assistant]

Hi @engcom-Dash. Thank you for working on this issue.
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[engcom-Dash]

Hi @KaushikChavda

Thanks for reporting and collaboration.

Verified the issue on Magento 2.4-develop instance and the issue is reproducible. We are not getting errors messages and able to save the changes successfully when the first ,middle and last name of the customer contains only special characters.Kindly refer the screenshots.

We are considering this as improvisation hence marking this as feature request to proceed further

[github-jira-sync-bot]

✅ Jira issue https://jira.corp.adobe.com/browse/AC-10607 is successfully created for this GitHub issue.

[m2-assistant]

✅ Confirmed by @engcom-Dash. Thank you for verifying the issue.
Issue Available: @engcom-Dash, You will be automatically unassigned. Contributors/Maintainers can claim this issue to continue. To reclaim and continue work, reassign the ticket to yourself.