If you want to apply conditional validation on 'QA Website Url' or 'Customer Website Url', then you need to add 'Admin Website Url' input as 'https://google.co.in'
{{userFormGroup.controls.adminWebsiteUrl.errors.url.message}}
Enter 'https://google.co.in' in Admin Website Url textbox above for apply validation
Conditional Expression with type 'string'
{{userFormGroup.controls.customerWebsiteUrl.errors.url.message}}
If you want to apply conditional validation on 'QA Website Url' then you need to add 'admin Website Url' input as 'https://google.co.in'.
Conditional Expression with type 'function'
{{userFormGroup.controls.qaWebsiteUrl.errors.url.message}}