573, 581, add new regex validation and fix capitalize function

[Lakshmishri]

Please always provide the GitHub issue(s) your PR is for, as well as test URLs where your change can be observed (before and after):

Fix #573

Test URLs:

• Before: https://main--vg-volvotrucks-us--hlxsites.hlx.page/recalls/
• After: https://573-581-recalls--vg-volvotrucks-us--hlxsites.hlx.page/recalls/

[aem-code-sync[bot]]

Hello, I'm the AEM Code Sync Bot and I will run some actions to deploy your branch and validate page speed. In case there are problems, just click a checkbox below to rerun the respective action.

• [ ] Re-run PSI checks
• [ ] Re-sync branch

Commits

* [24e36d8](https://github.com/hlxsites/vg-volvotrucks-us/commit/24e36d84043f828d311fc7930d7c86a3f1ff19d4) :white_check_mark: (latest) * [476df65](https://github.com/hlxsites/vg-volvotrucks-us/commit/476df6580880c78b1669a910b3654f245adf1b2c) :white_check_mark:

[aem-code-sync[bot]]

Page	Scores	Audits	Google
/recalls/

[aem-code-sync[bot]]

Page	Scores	Audits	Google
/recalls/