' 设置 Initialize 事件。 PRivate Sub Class_Initialize myGlobal = True myIgnoreCase = True End Sub
Property Let Global(g) Dim regEx ' 建立变量。 Set regEx = New RegExp ' 建立正则表达式。 regEx.Pattern = "True|False|1|0" ' 设置模式。 regEx.IgnoreCase = True ' 设置是否区分大小写。 If regEx.Test(CStr(g)) Then myGlobal = g Else Call Halt("无效Global参数配置") End If End Property
Property Get Global() Global = myGlobal End Property
Property Let IgnoreCase(c) Dim regEx Set regEx = New RegExp regEx.Pattern = "True|False|1|0" regEx.IgnoreCase = True If regEx.Test(CStr(c)) Then myIgnoreCase = c Else Call Halt("无效IgnoreCase参数配置") End If End Property
Property Get IgnoreCase() IgnoreCase = myIgnoreCase End Property
'解析所有HTML标记的函数 Public Function Parse(input) Parse = "<table border=1 width=50% align=center>" & vbCrLf Dim regEx , regVal , match , i
Set regEx = New RegExp regEx.Pattern = "<([a-z]/w*)(?:.*?)>(.*)<///1>" regEx.Global = myGlobal regEx.IgnoreCase = myIgnoreCase
Set regVal = regEx.Execute(Trim(input)) If regVal.Count > 0 Then '如果发现匹配元素 Parse = Parse & "<caption>发现" & regVal.Count & "个HTML标记</caption>" & vbCrLf Parse = Parse & "<tr align=center><th>编号</th><th>匹配标记<th>匹配显示</th></tr>" & vbCrLf For i=0 To regVal.Count-1 Set match = regVal(i) Parse = Parse & "<tr align=center>" & vbCrLf Parse = Parse & "<td>" & i+1 & "</td><td>" & match.SubMatches(0) & "</td><td>" & match & "</td>" & vbCrLf Parse = Parse & "</tr>" & vbCrLf Next Else Parse = Parse & "<caption>没有发现HTML标记</caption>" & vbCrLf End If Parse = Parse & "</table>" & vbCrLf End Function
'解析指定HTML标记的函数 Public Function ParseTag(input,tag) ParseTag = "<table border=1 width=50% align=center>" & vbCrLf Dim regEx , regVal , match , i
Set regEx = New RegExp regEx.Pattern = "<(" & tag & ")(?:.*?)>(.*?)<///1>" regEx.Global = myGlobal regEx.IgnoreCase = myIgnoreCase
Set regVal = regEx.Execute(Trim(input)) If regVal.Count > 0 Then '如果发现匹配元素 ParseTag = ParseTag & "<caption>发现" & regVal.Count & "个" & UCase(tag) & "标记</caption>" & vbCrLf ParseTag = ParseTag & "<tr align=center><th>编号</th><th>发现位置<th>包含内容</th></tr>" & vbCrLf For i=0 To regVal.Count-1 Set match = regVal(i) ParseTag = ParseTag & "<tr align=center>" & vbCrLf ParseTag = ParseTag & "<td>" & i+1 & "</td><td>" & match.FirstIndex & "</td><td>" & match.SubMatches(1) & "</td>" & vbCrLf ParseTag = ParseTag & "</tr>" & vbCrLf Next Else ParseTag = ParseTag & "<caption>没有发现" & UCase(tag) & "标记</caption>" & vbCrLf End If ParseTag = ParseTag & "</table>" & vbCrLf End Function
'打印错误 Private Sub Halt(errstr) Response.Write("<font color=red size=3>" & errstr & "</font>" & vbCrLf) Call Class_Terminate End Sub
Private Sub Class_Terminate ' 设置 Terminate 事件。 End Sub
'定义两个内部变量 Private myGlobal Private myIgnoreCase
End Class %>
<html> <body> <div align=center><h2>范例1</h2></div> <% '范例1 Dim input , result input = "<i>这是</i>一个<font color=green>VBScript</font>的<b>正则<i>表达式</i>范例</b>。"
Set hp = New HTMLParse hp.Global = 1 hp.IgnoreCase = False result = hp.Parse(input) Response.Write(result) %>
<br> <div align=center><h2>范例2</h2></div> <% '范例2 'hp.Global = 1 'hp.IgnoreCase = False result2 = hp.ParseTag(input,"i") Response.Write(result2) Set hp = Nothing %>