我在Textbox1中输入以下内容:
27
408
73
49
80
71
70
我想在每个数字之间分别添加一个逗号。我想自动执行此操作,在字符之间添加逗号。
like:注意:如果有3个字符(如408),则为40,8,为70时为7,0。如果我有一个用逗号分隔字符的示例代码,我想可以做到这一点。
2,7
40,8
7,3
4,9
8,0
7,1
7,0
代码:此代码无法正常工作。显示许多值,并且错误地键入3.3、4、5、6、7、78等,以及许多行。他不应该做什么。
Dim XStrsLength = TextboxIndex1.Text.Length
Dim XStrs As List(Of String) = New List(Of String)
Dim str As String = TextboxIndex1.Text
Dim last As Integer
For interval As Integer = 1 To XStrsLength
Dim xstr As String = ""
For I As Integer = 0 To str.Length - interval - 1 Step interval
xstr &= str.Substring(I, interval) & ","
last = I
Next
xstr &= str.Substring(last + interval)
XStrs.Add(xstr)
Next interval
TextBox1.Text = String.Join("", XStrs)
答案 0 :(得分:1)
您可以使用String.Insert(Integer, String)
插入逗号:
如果该行有2个字符,则为yourline.Insert(1, ",")
否则包含3个字符:yourline.Insert(2, ",")
答案 1 :(得分:1)
尝试此代码。它解析TextBox1中的内容,并将结果放入TextBox2中:
Private Sub Test()
Dim pieces() As String = TextBox1.Text.Split(ControlChars.CrLf.ToCharArray(), StringSplitOptions.RemoveEmptyEntries)
Dim str As String = ""
For Each piece As String In pieces
str &= piece.Insert(piece.Length - 1, ",") & ControlChars.CrLf
Next
TextBox2.Text = str.Substring(0, str.Length - 2)
End Sub