如何某些字符串後切變量的值

Question

我有下面的代碼部分：

Private Sub ComboBox1_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ComboBox1.SelectedIndexChanged 

    TextBox1.Text = ComboBox1.Text 

    Line = TextBox1.Text 

    MsgBox(Line) 

End Sub 

雖然例如線值

AIRC CEE – Air SMI Chennai - OM1 && ssh 20.20.20.6 

我需要的是後弦& &僅限於，所以LINE變量將僅包含& &之後的字符串。

例如

MsgBox(Line) 

將打印

ssh 20.20.20.6 

Answer 1

有多種方法，其中之一是使用Split - >https://msdn.microsoft.com/en-us/library/6x627e5f%28v=vs.90%29.aspx

試試這個：

Sub SplitTest() 

Dim SplitLine As Variant 

Line = "AIRC CEE – Air SMI Chennai - OM1 && ssh 20.20.20.6" 

MsgBox (Line) 

SplitLine = Split(Line, "&&") 

MsgBox (SplitLine(1)) 

End Sub 

Answer 2

VB

newString = Trim(MID(TextBox1.Text, InStrRev (TextBox1.Text, "&") +1, Len(TextBox1.Text) - InStrRev (TextBox1.Text, "&") +1))) 

VB.NET

newString = TextBox1.Text.Substring(TextBox1.Text.LastIndexOf("&") + 1).Trim()