提取指定两个字符之间的字符串，
在asp页面中若干个字符串
$aaaa$
asfafafdasfasdfadfasfdad
$bbbb$
asfasdfasfasfasfafaf
$ssss$

要提取$间的字符串   变成
aaaa
bbbb
ssss
如何实现

------解决方案--------------------
<% dim str,i Dim reg,Matches Set reg = new RegExp reg.Pattern = "\$(.*?)\$ " reg.Multiline = true reg.Global = true str= "$aaaa$asfafafdasfasdfadfasfdad$bbbb$asfasdfasfasfasfafaf$ssss$ " Set Matches = reg.Execute(str) For i = 0 to Matches.Count -1 Response.Write ( Matches(i).SubMatches(0) & " <BR> ") Next %>