export function neutralizeSpreadsheetFormula(value: string): string { if (/^[=+@]/.test(value) || /^-(?![\d.,])/.test(value) || /^[\t\r]/.test(value)) { return `'${value}`; } return value; } export function neutralizeRow(row: string[]): string[] { return row.map(neutralizeSpreadsheetFormula); }