ntjm.net
当前位置:首页 >> visuAl BAsiC怎么使用vB计算一个字符串中的A出现的... >>

visuAl BAsiC怎么使用vB计算一个字符串中的A出现的...

len(s)-len(replace(s,"a",""))

Private Sub Command1_Click() Dim istr As String istr = InputBox("", "", "abcdeaa") Num istr End Sub Private Sub Num(ByVal istr As String) Dim i As Integer Dim N As Integer For i = 1 To Len(istr) If Mid(istr, i, 1) = "a" Then N = N + 1 Next MsgBox N End Sub

把下面的内容存为vbs文件,名字随便,双击运行.360会对vbs识别一下风险,“添加信任”再次运行即可.dim li_counter,li_i,li_lendim ls_inputdim ls_charls_input=inputbox("请输入您的字符串:")ls_char=inputbox("请输入您要统计的字

Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click Dim str1, str As String str1 = "" str = "This is 1234 !@#$ " For i As Int16 = 1 To str.Length Select Case Mid(str, i, 1) Case "a" To "z" If InStr(str1, "小

慢性盆腔炎多于人流后感染及不洁性交、月经期不注意经期卫生等多种因素所致.诊断根据病史,症状及体证即可,治疗上慢性盆腔炎单一疗法效果较差,大多采用综合治疗,可采用抗生素治疗,在某些情况下抗生素与地塞米松同时应用,口服

Private Sub Form_Click() On Error GoTo a: Com.ShowOpen Open Com.FileName For Input As #1 Do While Not EOF(1) Line Input #1, b Loop c = InputBox("请输入要查找的字符") For i = 1 To Len(b) d = Mid(b, i, Len(c)) If c = d Then Sum = Sum + 1 Next Print "你要查找的字符的个数为:" + Str(Sum) a: End Sub 注:com为通用对话框的名称,查找的对象是外部的文本文件

你好,2113我给5261你写好了,4102可实现1653.版 Private Sub Command1_Click() Dim m%, i%, n% m = Len(Text1.Text) For i = 1 To m If Mid(Text1.Text, i, 1) = "A" Or Mid(Text1.Text, i, 1) = "a" Then n = n + 1 Next i Print "A(a)出现了权" & n; "次" End Sub

设某字符串为"某字符串",某字符为"某字符",代码如下:Msgbox "出现个数为:" & Len("某字符串")-Len(Replace("某字符串","某字符","")) & " 次"

没学过VB.. 先定义一个整形变量,初始为0,比如int i=0; 然后循环整段文章,用你想找的那个字符和文章中的字符比较.. 如果存在,将整形变量 i++ 循环结束后i的值就是字符出现的次数

使用split函数,取下标

9213.net | lstd.net | nnpc.net | 4585.net | zxpr.net | 网站首页 | 网站地图
All rights reserved Powered by www.ntjm.net
copyright ©right 2010-2021。
内容来自网络,如有侵犯请联系客服。zhit325@qq.com