如何计算vb.net中的空格和字符数？

Question

我想计算文本框字段中输入的空格和字符的数量。 示例

 textbox1.text - " 1 2 3 4 5 6 7 a b c"

我要数空格数和字符数

那么结果一定是..

将空格作为整数，char 作为整数

空格 = 10 , 字符 = 10

Answer 1

 Dim spaceCount, lettercount As Integer
 spaceCount= 0
 lettercount = 0
 Dim s As String = " 1 2 3 4 5 6 7 a b c"
 For Each c As Char In s
    If c = " " Then
        spaceCount+= 1
    Else
        lettercount += 1
    End If
 Next
 MsgBox(charcount)
 MsgBox(lettercount)

For Each 将遍历string 中的每个字符，然后检查c 是否为空格。如果是空格则增加spaceCount 否则增加lettrtCount

Answer 2

你可以按照你想要的方式做。

试试看

Dim count As Integer = 0
textbox1.text = " 1 2 3 4 5 6 7 a b c"
count = textbox1.text.Split(" ").Length -1

Answer 3

Dim longstring As String = "aab c d e" 
Dim TotalLength As Integer = longstring.Length
Dim TotalSpaces() As String = Split(longstring, " "
Dim TotalChars As Integer = TotalLength - (TotalSpaces.Length - 1)