[ javascript ] 핸드폰번호 하이픈(-) 넣기

$('.phone_full_form').focus(function () {

var regExp = /^01([0|1|6|7|8|9]?)-?([0-9]{3,4})-?([0-9]{4})$/;

if(regExp.test($(this).val()) == false){

$(this).val('');

}

}).keydown(function(e) {

if( e.keyCode != '8' && e.keyCode != '46' ){

var input_text=$(this).val();

if( input_text.length == '3' || input_text.length == '8' ){

var add_hyphen=$(this).val()+'-';

$(this).val(add_hyphen);

}

}

}).focusout(function() {

var this_len=($(this).val()).length;

if( this_len <= '12' ){

//var hyphen_chg=/\d{3}-\d{3}-\d{4}$/g;

var str=$(this).val().replace(/[-]/gi,'');

var string=str.replace(/(^01[0|1|6|7|8|9]?)-?([0-9]{3,4})-?([0-9]{4})$/,"$1-$2-$3");

$(this).val(string);

}

});