How to use 'regex currency' in JavaScript
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36 export 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 }
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61 function 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 }