Co-authored-by: Rhys Arkins <rhys@arkins.net>

* fix(manager/regex): depName requirement if using the recursive strategy

* chore(manager/regex): implement code suggestions

* chore: replace Boolean with Is function

* chore: abort if match strings are empty

* refactor: do not parse regexes on each recursion and filter after all matches are processed

* fixup! test name

* Revert "chore: abort if match strings are empty"

This reverts commit bf41a92f

* refactor: extract inline function

* fix: out-of-bound check

* feat: allow currentDigest as valid alternative to currentValue

* Update lib/modules/manager/regex/utils.ts

Co-authored-by: Michael Kriese <michael.kriese@visualon.de>

* chore: prettier

Co-authored-by: Michael Kriese <michael.kriese@visualon.de>

* update WorkerExtractConfig types

* update comment

* move worker-extract

* update CustomManager

* move interface RegExManagerTemplates manager->config

* fix import error

* rename CustomManager -> RegExManager

* fix lint error

Renames `lookupName` to be `packageName`.

BREAKING CHANGE: Use `packageName` instead of `lookupName` if interacting with Renovate datasources directly.

Moves datasource, manager, platform and versioning code from lib/ into new lib/modules/

BREAKING CHANGE: External tools must update paths to datasource, manager, platform and versioning