hyperformula/es/parser/parser-consts.mjs

HyperFormula is a JavaScript engine for efficient processing of spreadsheet-like data and formulas

/**
 * @license
 * Copyright (c) 2025 Handsoncode. All rights reserved.
 */
export const RANGE_OPERATOR = ':';
export const ABSOLUTE_OPERATOR = '$';
export const ALL_WHITESPACE_PATTERN = '\\s+';
export const ODFF_WHITESPACE_PATTERN = '[ \\t\\n\\r]+';
export const UNICODE_LETTER_PATTERN = 'A-Za-z\u00C0-\u02AF';
export const NON_RESERVED_CHARACTER_PATTERN = `${UNICODE_LETTER_PATTERN}0-9_.`;
export const UNQUOTED_SHEET_NAME_PATTERN = `[${UNICODE_LETTER_PATTERN}0-9_]+`;
export const QUOTED_SHEET_NAME_PATTERN = "'(((?!').|'')*)'";
export const SHEET_NAME_PATTERN = `(${UNQUOTED_SHEET_NAME_PATTERN}|${QUOTED_SHEET_NAME_PATTERN})!`;
export const CELL_REFERENCE_PATTERN = `(${SHEET_NAME_PATTERN})?\\${ABSOLUTE_OPERATOR}?[A-Za-z]+\\${ABSOLUTE_OPERATOR}?[0-9]+`;
export const COLUMN_REFERENCE_PATTERN = `(${SHEET_NAME_PATTERN})?\\${ABSOLUTE_OPERATOR}?[A-Za-z]+`;
export const ROW_REFERENCE_PATTERN = `(${SHEET_NAME_PATTERN})?\\${ABSOLUTE_OPERATOR}?[0-9]+`;
export const R1C1_CELL_REFERENCE_PATTERN = '[rR][0-9]*[cC][0-9]*';
export const CELL_REFERENCE_WITH_NEXT_CHARACTER_PATTERN = `(${CELL_REFERENCE_PATTERN})[^${NON_RESERVED_CHARACTER_PATTERN}]`;
export const NAMED_EXPRESSION_PATTERN = `[${UNICODE_LETTER_PATTERN}_][${NON_RESERVED_CHARACTER_PATTERN}]*`;
export const ALL_DIGITS_ARRAY = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9'];
export const ALL_UNICODE_LETTERS_ARRAY = [...Array.from(Array(26)).map((_, i) => i + 'A'.charCodeAt(0)), ...Array.from(Array(26)).map((_, i) => i + 'a'.charCodeAt(0)), ...Array.from(Array(0x02AF - 0x00C0 + 1)).map((_, i) => i + 0x00C0)].map(code => String.fromCharCode(code));