过滤字符串问题，请求大家帮忙

Question

<SCRIPT LANGUAGE="vbScript">
<!--
function r(s)
set re=new RegExp
re.Pattern="[^0-9-]+"
re.Global=true
t=re.replace(s,",")
re.Pattern="^\D"
re.Global=false
t=re.replace(t,"")
re.Pattern="\D$"
r=re.replace(t,"")
end functionstr="fsdf,2001-09，, ,, ,, 2001-09,fsdf ,,"
alert(r(str))
//-->
</SCRIPT>

Answer 1

<SCRIPT LANGUAGE="JavaScript">
<!--
var str=",2001-09，, ,, ,, 2001-09, ,,";
alert(str.replace(/[^0-9-]+/g,",").replace(/^\D/,"").replace(/\D$/,""));
//-->
</SCRIPT>

Answer 2

不好意思，不是这样的可能是我问错了
字符串
,234r，,abc ,, ,, 2001-09, ,,要求返回
234r,abc,2001-09我需要的是替换掉多余的＂，＂

Answer 3

<SCRIPT LANGUAGE="JavaScript">
<!--
var str=",234r，,abc ,, ,, 2001-09, ,,";
alert(str.replace(/[,， 　]+/g,",").replace(/^[,，]/,"").replace(/[,，]$/,""));
//-->
</SCRIPT>

Answer 4

<SCRIPT LANGUAGE="JavaScript">
<!--
var str=",234r，,abc ,, ,, 2001-09, ,,";
  var r = new RegExp("[\w\-\d]+", "gi");
  var a = r.exec(str);
  str=a.valueOf();
//-->
</SCRIPT>

Answer 5

<SCRIPT LANGUAGE="JavaScript">
<!--
var str=",234r，,abc ,, ,, 2001-09, ,,";
  var r = new RegExp("[\w\-\d]+", "gi");
  var a = str.exec(r);
  str=a.valueOf();
//-->
</SCRIPT>