Finds all column indexes that match a name or pattern (case-insensitive).
The ExcelJS worksheet.
The column name or pattern to search for.
An array of 1-based column indexes that match the query.
const indexes = findColumnIndexes(worksheet, 'Name');const allDateColumns = findColumnIndexes(worksheet, /date/i); Copy
const indexes = findColumnIndexes(worksheet, 'Name');const allDateColumns = findColumnIndexes(worksheet, /date/i);
Finds all column indexes that match a name or pattern (case-insensitive).