ddl,mdl: fix the issue that the table_ids overlap regex is not correct (#52879)

[ti-chi-bot]

This is an automated cherry-pick of #52879

What problem does this PR solve?

Issue Number: close #52758

Problem Summary:

The regexp in mdl_view is not correct:

SELECT ',10,` regexp ',1|2,'

This SQL will return 1, because it actually matches ',1' or '2,'.

What changed and how does it work?

This PR modified the REGEXP from ,1|2, to ,(1|2),.

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No need to test

  • I checked and no code files have been changed.

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Changes MySQL compatibility

Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

None

[ti-chi-bot]

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[ti-chi-bot]

This cherry pick PR is for a release branch and has not yet been approved by triage owners.
Adding the do-not-merge/cherry-pick-not-approved label.

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[ti-chi-bot]

@ti-chi-bot: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
idc-jenkins-ci-tidb/check_dev_2	920bae7	link	true	/test check-dev2
idc-jenkins-ci-tidb/mysql-test	920bae7	link	true	/test mysql-test
idc-jenkins-ci-tidb/build	920bae7	link	true	/test build
idc-jenkins-ci-tidb/check_dev	920bae7	link	true	/test check-dev
idc-jenkins-ci-tidb/unit-test	920bae7	link	true	/test unit-test

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[YangKeao]

As #48728 didn't cherry-pick to older version, this bug doesn't exist in this version. Close it.