Update: Check strings in RegExp constructors for no-regex-spaces (fixes #3586)

[jacksonrayhamilton]

Fixes #3586, making it so a single string literal in a RegExp constructor is also checked for multiple consecutive spaces.

[mention-bot]

By analyzing the blame information on this pull request, we identified @vitorbal, @pedrottimark and @alberto to be potential reviewers

[eslintbot]

Thanks for the pull request, @jacksonrayhamilton! I took a look to make sure it's ready for merging and found some changes are needed:

• The commit summary must be 72 characters or shorter. Please check out our guide for how to properly format your commit summary and update it on this pull request.

Can you please update the pull request to address these?

(More information can be found in our pull request guide.)

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[eslintbot]

LGTM

[nzakas]

Can you rename each function to begin with "check"? Our conventions always have a verb as the first word in a function name.

[nzakas]

The code looks read good, just one convention nitpick and otherwise lgtm.

@IanVS want to take a look?

[IanVS]

LGTM, thanks @jacksonrayhamilton!

[eslintbot]

LGTM

[jacksonrayhamilton]

Fixed the issue, glad to contribute.

[pedrottimark]

Rule doc looks good to me

[nzakas]

Just holding off on merging until we're sure we don't need another patch release.

[nzakas]

Thanks @jacksonrayhamilton !