在vb.net中没有C#“索引器”,但可以通过
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Public Default ReadOnly Property Item(i As Integer) As ...
语句实现与C#中索引器同样的功能。
MatchCollection
Dim IsMatch As Boolean = Regex,如何将SearchPattern中的指定的 那个三个小括号对应的内容即SubMatches(0)=".RegularExpressions.Groups(0);) !
For Each Mt In Matchs
On Error Resume Next
S = S Macth; Publi" SubMatches(2)=".RegularExpressions; SubMatches(1)=".Matches(",提取不出来呢;Chin".RegularExpressions.Regex(SearchPattern)
Dim Matchs As System;China Public National".+)"?
我用如下 ; 提取出来呢.Text.Regex
Regex = New System; National".IsMatch(StrForSearch)
Matchs = Regex.+)c(,执行了此句之后;(.Text.Text.+)a(;
Dim Regex As System比如正则表达式为
SearchPattern=",具体解决方案如下:
解决方案1:
在这之后的字符会显示不出来.RegularExpressions.Regex(SearchPattern)
Dim Matchs As System;Groups集合索引从0开始.Item(i),但是第一项是完整匹配项,这个是字符串的结束标记.+)c(,接下去才是子项
S = S .Text;"Dim IsMatch As Boolean = Regex.RegularExpressions,但是不要用Chr(0).Regex
Regex = New System;China Public National".RegularExpressions.Value vbcrlf
Next
也是可以的;
With Matchs; ".Count - 1 '.Text.MatchCollection
'.+)".IsMatch(StrForSearch)
Matchs = Regex:
For Each Mt In Matchs.groups
S = S Mt.Item(0);
Next
End With
MsgBox(S)
你的循环改成.Matches(")
Dim S As String = "
Dim Regex As System.Item(0).Value "Dim SearchPattern As String = ".Text.Groups
For i As Integer = 1 To ;(.+)a(
提问者评价
多谢指教!
解决方案2:
Dim SearchPattern As String = "(.+)a(.+)c(.+)"
Dim Regex As System.Text.RegularExpressions.Regex
Regex = New System.Text.RegularExpressions.Regex(SearchPattern)
Dim Matchs As System.Text.RegularExpressions.MatchCollection
'Dim IsMatch As Boolean = Regex.IsMatch(StrForSearch)
Matchs = Regex.Matches("China Public National")
Dim S As String = ""
With Matchs.Item(0).Groups
For i As Integer = 1 To .Count - 1 'Groups集合索引从0开始,但是第一项是完整匹配项,接下去才是子项
S = S .Item(i).Value " "
Next
End With
MsgBox(S)
解决方案3:
Dim matches As MatchCollection = rx.Matches("(.*)")
问题应该是在这里:
For i As Long = 0 To m_IpCount - 1
m_hostip.Address = MyHostToNet(m_StartIP + i)
m_ScanIP = m_hostip.ToString()
For j As Integer = 0 To m_PortCount - 1
m_ScanPort = m_StartPort + j
m_curscancount += 1
这里你每次获取的数据时不一样的 可能就造成你这个异常有时候发生有时候不发生,这个你要仔细看看这两个循环里面的变量到底是怎么在改变,才能确定最终错误在哪里
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