Proposal: e2e tests for regex patterns

[msfidelis]

This proposal Introduces an expanded suite of tests for regex pattern handling in the Nginx Ingress Controller, aiming to cover an extra range of test scenarios of path routing regex feature.

Initial tests included:

• Testing Simple Regex Patterns for Numeric Paths
• Ignoring Non-digit Characters at the End of Paths
• Fixed Path Size Regex Pattern
• Multi-segment Path Patterns

What this PR does / why we need it:

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• CVE Report (Scanner found CVE and adding report)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation only
• Tests

Which issue/s this PR fixes

fixes #9466

How Has This Been Tested?

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I've read the CONTRIBUTION guide
• I have added unit and/or e2e tests to cover my changes.
• All new and existing tests passed.

[k8s-ci-robot]

Hi @msfidelis. Thanks for your PR.

I'm waiting for a kubernetes member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[cpanato]

tests is always good

thanks!
/approve
/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: cpanato, msfidelis

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[cpanato]

/triage accepted
/kind cleanup
/priority important-soon

[Gacko]

/cherry-pick release-1.10

[k8s-infra-cherrypick-robot]

@Gacko: new pull request created: #11185

In response to this:

/cherry-pick release-1.10

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.