[BUG] B2C_INSTANCENAME validator is wrong

[amezick]

Describe the bug The validator says that B2C_INSTANCENAME "must start with a letter -- and only contain letters and numbers" In a world of On Demand Sandboxes this is not true. All of my sandbox names of of the format [4 letter REALM_ID]-[3 digit number].dx.commercecloud.salesforce.com. These names are automatically assigned.

To Reproduce Steps to reproduce the behavior:

1. Create a SFCC ODS
2. follow the steps to set up the B2C Commerce Configuration Properties
3. Run the validations. Especially 'npm run crm-sync:b2c:verify'
4. notice the validation error that is wrong.

Expected behavior Not to have a validation error on a system generated name.

Screenshots

Your local environment details:

• Node version (node -v): v12.21.0
• NPM version (npm -v): 6.14.11
• SFDX version (sfdx -v) sfdx-cli/7.194.1 win32-x64 node-v18.15.0

Your remote environment details:

• Salesforce B2C Commerce version: Version: 23.10 Last Updated: Oct 9, 2023 (Compatibility Mode: 22.7)
• Salesforce Core version: [e.g. 52]

Additional context Add any other context about the problem here.

[amezick]

N/m. I just got to the step where it is used. This is a SFDC requirement not and SFCC requirement.

[amezick]

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