How to use 'regex currency' in JavaScript

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36export function currencyToRegex(
37 thousandSeparators = [' ', '.', ',', "'", '`'],
38 decimalNumbers = 2,
39 decimalSeparators = ['.', ','],
40 thousandGroupNumbers = 3
41) {
42 const thousandSeparatorsRegex = arrayOfStringsToRegex(
43 thousandSeparators
44 ).join('|');
45 const decimalSeparatorsRegex = arrayOfStringsToRegex(decimalSeparators).join(
46 '|'
47 );
48
49 const integerRegex = `(\\d{0,${thousandGroupNumbers -
50 1}}(?:(?:${thousandSeparatorsRegex})?\\d{${thousandGroupNumbers}})*)`;
51 const decimalRegex =
52 decimalNumbers > 0
53 ? `(?:(?:${decimalSeparatorsRegex})(\\d{0,${decimalNumbers}}))?`
54 : '';
55
56 return `^${integerRegex}${decimalRegex}$`;
57}
61function getRegex (isDecimal: boolean): RegExp {
62 return new RegExp(
63 isDecimal
64 ? `^(0|[1-9]\\d*)(\\${KEYS.DECIMAL}\\d*)?$`
65 : '^(0|[1-9]\\d*)$'
66 );
67}

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