New functionalities.
Added
- Added `assert_regex_format` function to validate whether all values in a specified DataFrame column match a given regular expression.
- Added test cases to ensure correct functionality of `assert_regex_format`:
- All values match the regex.
- At least one value does not match the regex.
- The specified column does not exist in the DataFrame.
- The provided regex is invalid.
Changed
- No changes in this release.