[BUG] How to pass regex inside PPL and DQL in opensearch?

[ommkwn]

Describe the bug

how to pass regex inside ppl and dql in opensearch?

Related component

Plugins

To Reproduce

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior

not know t how to pass regex inside ppl and dql in opensearch

Additional Details

Plugins
Please list all plugins currently enabled.

Screenshots
If applicable, add screenshots to help explain your problem.

Host/Environment (please complete the following information):

• OS: [2.18.0]
• Version [2.18.0]

Additional context
Add any other context about the problem here.

[Swiddis]

Try checking the docs for the patterns command, which mentions how to filter by Regex: https://github.com/opensearch-project/sql/blob/main/docs/user/ppl/cmd/patterns.rst