input box에 숫자 콤마찍기 및 풀기

참고 : http://blog.munilive.com/javascript-comma-uncomma/

 

//콤마찍기
function comma(str) {
	str = String(str);
	return str.replace(/(\d)(?=(?:\d{3})+(?!\d))/g, '$1,');
}

//콤마풀기
function uncomma(str) {
	str = String(str);
	return str.replace(/[^\d]+/g, '');
}

function inputNumberFormat(obj) {
	obj.value = comma(uncomma(obj.value));
}

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