[Feature] Support hashtag in token filter type_table rules parser

[noCharger]

Description

Support hashtag in token filter type_table rules parser

Related Issues

Resolves #6867

Check List

• New functionality includes testing.
  • All tests pass
• New functionality has been documented.
  • New functionality has javadoc added
• Commits are signed per the DCO using --signoff

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[github-actions]

Compatibility status:

Checks if related components are compatible with change a85be4d

Incompatible components

Skipped components

Compatible components

Compatible components: [https://github.com/opensearch-project/security.git, https://github.com/opensearch-project/alerting.git, https://github.com/opensearch-project/index-management.git, https://github.com/opensearch-project/sql.git, https://github.com/opensearch-project/anomaly-detection.git, https://github.com/opensearch-project/job-scheduler.git, https://github.com/opensearch-project/asynchronous-search.git, https://github.com/opensearch-project/observability.git, https://github.com/opensearch-project/common-utils.git, https://github.com/opensearch-project/k-nn.git, https://github.com/opensearch-project/reporting.git, https://github.com/opensearch-project/cross-cluster-replication.git, https://github.com/opensearch-project/security-analytics.git, https://github.com/opensearch-project/custom-codecs.git, https://github.com/opensearch-project/ml-commons.git, https://github.com/opensearch-project/performance-analyzer.git, https://github.com/opensearch-project/opensearch-oci-object-storage.git, https://github.com/opensearch-project/performance-analyzer-rca.git, https://github.com/opensearch-project/geospatial.git, https://github.com/opensearch-project/notifications.git, https://github.com/opensearch-project/neural-search.git]

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: SUCCESS ✅
• URL: https://build.ci.opensearch.org/job/gradle-check/26269/
• CommitID: 46c6db3

[codecov]

Codecov Report

Merging #10220 (a85be4d) into main (a8969cb) will decrease coverage by 0.06%.
Report is 2 commits behind head on main.
The diff coverage is 84.07%.

@@             Coverage Diff              @@
##               main   #10220      +/-   ##
============================================
- Coverage     71.11%   71.05%   -0.06%     
+ Complexity    58188    58172      -16     
============================================
  Files          4830     4830              
  Lines        274440   274505      +65     
  Branches      39993    40002       +9     
============================================
- Hits         195175   195061     -114     
- Misses        62897    63058     +161     
- Partials      16368    16386      +18     

Files	Coverage Δ
...src/main/java/org/opensearch/core/index/Index.java	100.00% <ø> (ø)
...arch/analysis/common/MappingCharFilterFactory.java	50.00% <100.00%> (ø)
...luster/metadata/MetadataUpdateSettingsService.java	70.37% <100.00%> (-0.38%)	⬇️
...rg/opensearch/common/settings/ClusterSettings.java	92.85% <ø> (ø)
...n/java/org/opensearch/index/analysis/Analysis.java	84.21% <100.00%> (-0.12%)	⬇️
...rch/index/remote/RemoteSegmentTransferTracker.java	81.10% <100.00%> (+0.17%)	⬆️
...index/shard/CloseableRetryableRefreshListener.java	81.03% <100.00%> (+0.67%)	⬆️
...in/java/org/opensearch/index/shard/IndexShard.java	69.50% <100.00%> (+0.63%)	⬆️
...java/org/opensearch/index/shard/StoreRecovery.java	56.43% <ø> (-0.38%)	⬇️
...earch/index/store/RemoteSegmentStoreDirectory.java	89.67% <100.00%> (+0.26%)	⬆️
... and 15 more

... and 459 files with indirect coverage changes

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: UNSTABLE ❕
• TEST FAILURES:

      1 org.opensearch.search.pit.DeletePitMultiNodeIT.testDeleteWhileSearch
      1 org.opensearch.indices.replication.SegmentReplicationIT.classMethod

• URL: https://build.ci.opensearch.org/job/gradle-check/26354/
• CommitID: a85be4d
  Please review all flaky tests that succeeded after retry and create an issue if one does not already exist to track the flaky failure.

[reta]

@msfroh mind taking a look please ? thank you!