html 前端 去空格

function funsubcode01(){
	var val=this.value;
	val=val.toUpperCase().replace(/\s/g,"");
	var re =/^[A-Za-z0-9\/\-]{1,20}$/;
	if( !re.test(val)) {
	　　$.messager.alert("提示","請輸入20位以內的合法字符","info");
	    this.value=null;
	}else{
		this.value=val;
	}
}