Function closeUBB(strContent) 
'************************************* 
'自動閉合UBB 
'************************************* 
Dim arrTags, i, OpenPos, ClosePos, re, strMatchs, j, Match 
Set re = New RegExp '申明re對象 
re.IgnoreCase = True '設置是否區分字符大小寫 
re.Global = True '設置全局可用性 
arrTags = Array("code", "quote", "list", "color", "align", "font", "size", "b", "i", "u", "html") '建立數組，存儲相關需要檢測是否閉合的標簽 
For i = 0 To UBound(arrTags) '循環對數組里的每一個元素進行檢測 
OpenPos = 0 '初始化當前標簽開始標記的個數 
ClosePos = 0 '初始化當前標簽結束標記的個數 
re.Pattern = "/[" + arrTags(i) + "(=[^/[/]]+|)/]" '開始分別正則判斷開始與結束標記的個數 
Set strMatchs = re.Execute(strContent) 
For Each Match in strMatchs 
OpenPosOpenPos = OpenPos + 1 
Next 
re.Pattern = "/[/" + arrTags(i) + "/]" 
Set strMatchs = re.Execute(strContent) 
For Each Match in strMatchs 
ClosePosClosePos = ClosePos + 1 
Next 
For j = 1 To OpenPos - ClosePos '當開始與結束標記數量不一致時，閉合當前標簽 
strContentstrContent = strContent + "[/" + arrTags(i) + "]" 
Next 
Next 
closeUBB = strContent 
Set re = Nothing 
End Function 

程序代碼 
Function closeHTML(strContent) 
'************************************* 
'自動閉合HTML 
'************************************* 
Dim arrTags, i, OpenPos, ClosePos, re, strMatchs, j, Match 
Set re = New RegExp 
re.IgnoreCase = True 
re.Global = True 
arrTags = Array("p", "div", "span", "table", "ul", "font", "b", "u", "i", "h1", "h2", "h3", "h4", "h5", "h6") 
For i = 0 To UBound(arrTags) 
OpenPos = 0 
ClosePos = 0 
re.Pattern = "/<" + arrTags(i) + "( [^/</>]+|)/>" 
Set strMatchs = re.Execute(strContent) 
For Each Match in strMatchs 
OpenPosOpenPos = OpenPos + 1 
Next 
re.Pattern = "/</" + arrTags(i) + "/>" 
Set strMatchs = re.Execute(strContent) 
For Each Match in strMatchs 
ClosePosClosePos = ClosePos + 1 
Next 
For j = 1 To OpenPos - ClosePos 
strContentstrContent = strContent + "</" + arrTags(i) + ">" 
Next 
Next 
closeHTML = strContent 
Set re = Nothing 
End Function 
下面的是pjblog的函數代碼，但沒有注釋，學習研究建議參考上面的注釋