* Extend support for variables in filter by name
* Simlpify help and include variable support
* Simplify regexp
* Remove id that was left from an erlier implementation attempt
* Update docs/sources/panels-visualizations/query-transform-data/transform-data/index.md
Co-authored-by: Isabel <76437239+imatwawana@users.noreply.github.com>
* Apply suggestions from code review
Co-authored-by: Isabel <76437239+imatwawana@users.noreply.github.com>
* Improve variable name and fix react warning
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Co-authored-by: Isabel <76437239+imatwawana@users.noreply.github.com>