Fix regexp url #70

[DidierMetral]

Add dash and uppercase in url regexp

Proposed change

Add the possibility to use all allowed chars in standard URL (lowercase, uppercase, digits, dot and dash)

Type of change

• [ ] Dependency upgrade
• [x] Bugfix (non-breaking change which fixes an issue)
• [ ] New feature (which adds functionality)
• [ ] Breaking change (fix/feature causing existing functionality to break)
• [ ] Code quality improvements to existing code or addition of tests

Additional information

• This PR fixes or closes issue: fixes #70
• This PR is related to issue:
• Link to documentation pull request:

Checklist

• [x] The code change is tested and works locally.
• [x] Local tests pass.
• [x] There is no commented out code in this PR.
• [x] The code has been formatted (make lint)
• [ ] Tests have been added to verify that the new code works.

[DidierMetral]

Can a maintainer review this fix (ping @tkdrob)? The workflow is awaiting approval from a maintainer.

[jim-edwards]

Any way we can help get this through? I am hitting this and unable to change my DNS as the provider I use now makes it required