* Add matching mode definitions
* Add stub for new method API and an initial test suite
* Fix tests, implement exact matching
* Implement Regex matching
* changelog
* Add benchmarks
* Wokraround for case insensitive regex locale support
* minor tweaks
* Unify Case_Insensitive
* Update edge cases
* Fix other affected places
* minor style change
* Add a problematic test
* Add a regex test for a similar situation
* Migrate to StringSearch:wq
* Add test cases for scharfes S edge case
* Add problematic Regex Unicode normalization test
* Document the regex accents peculiarity
* Do not apply the normalization in ASCII only mode
* cr
* Implement Natural_Order and sort_columns
* Starting on Rename
Align Column_Mapping
Add By_Position
Separating off the validation for By_Index so can reuse for rename
By_Position implemented
By_Index implemented
Adjusted behaviour following discussion with Ned, so that renames dominate untouched columns.
Moving to validation style checks for problems
Putting accumulator back
Rename work
* Add Range.find
* More work
* Regex support
Tidy of Unique Name Strategy
* Fix Regex support
* Warning messages
Tests for Unique Naming Strategy
Table rename working
* Database Table rename_columns
Fix for Table
**Must follow up on slice**
* Some tests
* More tests
* Complete test set
(and associated fixes)
* Functional use_first_row_as_names
Tests to go...
* Test for use_first_row_as_names
* Change log
* trailing space
Co-authored-by: Radosław Waśko <radoslaw.wasko@enso.org>
* Utility for mapping errors and warnings
* Imlpement By_Index
* Expose select_columns in InMem and DB. Need testing
* checkpoint: writing tests
* Fix minor issues, mock warning mapping for testing purposes
* Improve By_Index error handling
* A helper for testing problem handling
* More error handling
* docs
* changelog
* Fix matching test
* Add SQLite tests
* cleanup after test
* Rework problem handling
* small refactor
* add examples
* Add more test cases for regex matching
* Fix Regex.Patter.matches to match full string
* "Fix" tests
