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  • ASP正则表达式方面小笔记

    比较随意的一些ASP正则表达式方面的笔记(或学习小甜品) =====================================

    <%
    ' 方法说明:Set RsObj = Server.CreateObject快捷
    Function [&rg](ByRef rgRef, ByVal pe, ByVal ig, ByVal gb, ByVal [?Casually])
    Call RgNew(rgRef, pe, ig, gb,[])
    End Function

    ' 清空正则表达式对象
    Function [!rg](ByRef rgRef)
    Set rgRef = Nothing
    End Function

    ' 测试是否符合正则表达式
    Function InRg(ByRef rgRef, ByVal str)
    InRg = rgRef.Test(CStr(str))
    End Function

    ' 获取正则表达式匹配的个数
    Function RgNum(ByRef rgRef, ByVal str)
    RgNum = Clng("0"&rgRef.Execute(str).Count)
    End Function

    ' 创建或重新初始化一个正则表达式
    Function RgNew(ByRef rgRef, ByVal pe, ByVal ig, ByVal gb, ByVal [?Casually])
    If Not IsObject(rgRef) Then
    Set rgRef = New RegExp
    ElseIf rgRef is Nothing Then
    Set rgRef = New RegExp
    End If
    If Not IsEll(pe) Then
    rgRef.Pattern = pe
    End If

    If Not IsEll(ig) Then
    rgRef.IgnoreCase = Bool(ig)
    End If

    If Not IsEll(gb) Then
    rgRef.Global = Bool(gb)
    End If
    End Function

    ' 判断是否"有"还是"没有"
    '
    判断是否"是"还是"不是"
    '
    判断是否"存在"还是"不存在"
    '
    判断是否"有用"还是"没用"
    '
    .........等等
    Function Bool(ByVal val)
    If isEll(val) Then
    Bool = False
    ElseIf TypeName(val) = "Interger" And Int(val) = 0 Then
    Bool = False
    ElseIf TypeName(val) = "String" Then
    Select Case LCase(Cstr(val))
    Case "","0","false"
    Bool = False
    End Select
    ElseIf TypeName(val) = "Boolean" Then
    Bool = CBool(val)
    Else
    Bool = True
    End If
    End Function

    ' 省略或缺少了
    Function IsEll(ByVal val)
    IsEll = CBool(isNull(val) Or isEmpty(val) Or TypeName(val)="Error")
    End Function
    :
    Function IsLack(ByVal val)
    IsLack = IsEll(val)
    End Function

    ' 正则表达式调试
    '
    举例:
    dim r : [&rg] r,"\bdreamyoung(\d{0,4})_([^dreamyoung]+)\b", , ,[]
    debugReg r,"dreamyoung2011_sw.hf,dreamyoung2012_sw.hf and dreamyoung2013_sw.hf$",,[]
    Function debugReg(ByRef rgRef, ByVal str, ByVal endFlag, ByVal [?Casually])
    [<<ln] "<div style=""font-weight:bold; margin:10px; padding:10px; border-color:#036; border-style:dashed; border-thick;"">"
    [<<ln] "regExp.<b><font color=red>Pattern</font></b> = " & rgRef.Pattern
    [<<ln] "regExp.<b><font color=green>IgnoreCase</font></b> = " & rgRef.IgnoreCase & "&nbsp;&nbsp;&nbsp;<font color=#CCCCCC>(False For Default)</font>"
    [<<ln] "regExp.<b><font color=blue>Global</font></b> = " & rgRef.Global & "&nbsp;&nbsp;&nbsp;<font color=#CCCCCC>(False For Default)</font>"
    [<<ln] "<font color=#000000>Matches Is A Dictionary For Match Object</font>" & _
    "&nbsp;&nbsp;<font color=#CCCCCC>Matches Come From : Set Matches = RegExp.Execute(str)</font>"
    [<<ln] "<font color=#000000>Matche Come From : Set Matche = Matches.Item(i)</font>"
    [<<ln] "<font color=#000000>SubMatches Is A Dictionary For String</font>" &_
    "&nbsp;&nbsp;<font color=#CCCCCC>SubMatches Come From : Set SubMatches = Match.SubMatches</font>"
    [<<ln] "<font color=#000000>SubMatche(String) Come From : SubMatch = SubMatches.Item(i)&nbsp;&nbsp;&nbsp;<font color=#CCCCCC>(Tip:No ""Set"" , Because It is only a string!)</font></font>"
    '[<<!] TypeName(str)
    If Not IsEll(str) Then
    [<<] "---------------------------------------------------"
    [<<ln] "---------------------------------------------------"
    [<<ln] "Input String: " & Server.HTMLEncode(str)
    [<<ln] "regExp.Test("""&str&""") = " & rgRef.Test(str)
    ' Matches集合(包含0或多个Match对象)
    Dim mes : Set mes = rgRef.Execute(str)
    Dim rgCount : rgCount = mes.Count
    [<<ln] "regExp.Execute("""&str&""").Counts = "& rgCount
    If rgCount > 0 Then
    ' Match对象(含各种属性)
    Dim m0 : Set m0 = mes(0)
    [<<ln] "regExp.Execute("""&str&""").Item(0) = " & m0
    [<<ln] "regExp.Execute("""&str&""").Item(0).FirstIndex = " & m0.FirstIndex
    [<<ln] "regExp.Execute("""&str&""").Item(0).Length = " & m0.Length
    [<<ln] "regExp.Execute("""&str&""").Item(0).Value = " & m0.Value

    ' SubMatches集合(包含0或多个字符串)
    Dim submes : Set submes = m0.SubMatches
    Dim smCount : smCount = submes.Count
    [<<ln] "regExp.Execute("""&str&""")(0).SubMatches.Counts = "& smCount
    If smCount > 0 Then
    Dim sm0 : sm0 = submes(0)
    [<<ln] "regExp.Execute("""&str&""")(0).SubMatches.Item(0) = " & sm0 & Space(10) & "<font color=#CCCCCC>This is the 1st sub match, For More:</font>"
    Dim i
    For Each subStr In submes
    [<<ln] "regExp.Execute("""&str&""")(0).SubMatches.Item("&(i-0)&") = " & subStr
    i = i + 1
    Next
    End If
    End If
    End If
    [<<ln] "</div>"

    If Bool(endFlag) Then
    [<<!] []
    End If
    End Function
    %>

    测试的输出结果为:


     


    regExp.Pattern = \bdreamyoung(\d{0,4})_([^dreamyoung]+)\b
    regExp.IgnoreCase = False   (False For Default)
    regExp.Global = False   (False For Default)
    Matches Is A Dictionary For Match Object  Matches Come From : Set Matches = RegExp.Execute(str)
    Matche Come From : Set Matche = Matches.Item(i)
    SubMatches Is A Dictionary For String  SubMatches Come From : Set SubMatches = Match.SubMatches
    SubMatche(String) Come From : SubMatch = SubMatches.Item(i)   (Tip:No "Set" , Because It is only a string!)
    ------------------------------------------------------------------------------------------------------
    Input String: dreamyoung2011_sw.hf,dreamyoung2012_sw.hf and dreamyoung2013_sw.hf$
    regExp.Test("dreamyoung2011_sw.hf,dreamyoung2012_sw.hf and dreamyoung2013_sw.hf$") = True
    regExp.Execute("dreamyoung2011_sw.hf,dreamyoung2012_sw.hf and dreamyoung2013_sw.hf$").Counts = 1
    regExp.Execute("dreamyoung2011_sw.hf,dreamyoung2012_sw.hf and dreamyoung2013_sw.hf$").Item(0) = dreamyoung2011_sw.hf,
    regExp.Execute("dreamyoung2011_sw.hf,dreamyoung2012_sw.hf and dreamyoung2013_sw.hf$").Item(0).FirstIndex = 0
    regExp.Execute("dreamyoung2011_sw.hf,dreamyoung2012_sw.hf and dreamyoung2013_sw.hf$").Item(0).Length = 21
    regExp.Execute("dreamyoung2011_sw.hf,dreamyoung2012_sw.hf and dreamyoung2013_sw.hf$").Item(0).Value = dreamyoung2011_sw.hf,
    regExp.Execute("dreamyoung2011_sw.hf,dreamyoung2012_sw.hf and dreamyoung2013_sw.hf$")(0).SubMatches.Counts = 2
    regExp.Execute("dreamyoung2011_sw.hf,dreamyoung2012_sw.hf and dreamyoung2013_sw.hf$")(0).SubMatches.Item(0) = 2011 This is the 1st sub match, For More:
    regExp.Execute("dreamyoung2011_sw.hf,dreamyoung2012_sw.hf and dreamyoung2013_sw.hf$")(0).SubMatches.Item(0) = 2011
    regExp.Execute("dreamyoung2011_sw.hf,dreamyoung2012_sw.hf and dreamyoung2013_sw.hf$")(0).SubMatches.Item(1) = sw.hf,


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  • 原文地址:https://www.cnblogs.com/dreamyoung/p/2436334.html
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