Convert number string to dicimal separate simicolon by jquery

Convert number string to decimal separate semicolon by jquery:

function formatNumber(num) {
return num.toString().replace(/(\d)(?=(\d{3})+(?!\d))/g, '$1,')
}

Example:
console.info(formatNumber(2665)) // 2,665
console.info(formatNumber(102665)) // 102,665
console.info(formatNumber(111102665)) // 111,102,665

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notes

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