Function deleteWorksheet

deleteWorksheet(workbook: Workbook, identifier: string | number | RegExp): void
Deletes worksheet(s) by index or name pattern.
Parameters
- workbook: Workbook
  The ExcelJS workbook instance.
- identifier: string | number | RegExp
  The worksheet identifier (index, name, or RegExp pattern).
Returns void
Example
```
deleteWorksheet(workbook, 'Sheet1');
deleteWorksheet(workbook, 2);
deleteWorksheet(workbook, /^Temp/); // Deletes all sheets starting with "Temp"
```
- Defined in src/excel/excel.tsx:431