Fix regular expression comment on function isNameValid() in ImageContentValidator.php

[nimbus2300]

Description (*)

• This is a simple fix to a regular expression comment in the file ImageContentValidator.php
• The comment did not match the regular expression being used in the code.
• I've added the symbols that were missing.

Fixed Issues (if relevant)

N/A

Manual testing scenarios (*)

This is a change to a comment only, there are no changes to logic.

Questions or comments

None.

Contribution checklist (*)

• [✓] Pull request has a meaningful description of its purpose
• [✓] All commits are accompanied by meaningful commit messages
• [N/A] All new or changed code is covered with unit/integration tests (if applicable)
• [✓] All automated tests passed successfully (all builds are green)

[m2-assistant]

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[magento-cicd2]

All committers have signed the CLA.

[magento-engcom-team]

Hi @pmclain, thank you for the review.
ENGCOM-5507 has been created to process this Pull Request
✳️ @pmclain, could you please add one of the following labels to the Pull Request?

Label	Description
Auto-Tests: Covered	All changes in Pull Request is covered by auto-tests
Auto-Tests: Not Covered	Changes in Pull Request requires coverage by auto-tests
Auto-Tests: Not Required	Changes in Pull Request does not require coverage by auto-tests

[magento-engcom-team]

@nimbus2300 thank you for contributing. Please accept Community Contributors team invitation here to gain extended permissions for this repository.

[engcom-Alfa]

QA not applicable

[m2-assistant]

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