[JS] 금액 콤마
//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, '' ); } //값 입력시 콤마찍기 function inputNumberFormat(obj) { obj.value = comma(uncomma(obj.value)); } //<input type="text" onkeyup="inputNumberFormat(this)" /> 출처 : http://dlevelb.tistory.com/829