VBA - 替换

Replace 函数用特定字符串替换特定部分的字符串，次数可以指定。

语法

Replace(string,find,replacewith[,start[,count[,compare]]]) 

参数说明

• String − 必需参数。需要搜索以进行替换的输入字符串。

• Find − 必需参数。将被替换的字符串部分。

• Replacewith − 必需参数。替换字符串，它将针对 find 参数替换。

• Start − 可选参数。指定需要搜索和替换字符串的起始位置。默认值为 1。

• Count − 可选参数。指定替换执行的次数。

• Compare − 可选参数。指定要使用的比较方法。默认值为 0。

  • 0 = vbBinaryCompare - 执行二进制比较

  • 1 = vbTextCompare - 执行文本比较

示例

Private Sub Constant_demo_Click()
   Dim var as Variant
   var = "This is VBScript Programming"
  
   'VBScript to be replaced by MS VBScript
   msgbox("Line 1: " & Replace(var,"VBScript","MS VBScript"))
  
   'VB to be replaced by vb
   msgbox("Line 2: " & Replace(var,"VB","vb"))
  
   ''is' replaced by ##
   msgbox("Line 3: " & Replace(var,"is","##"))
   
   ''is' replaced by ## ignores the characters before the first occurence
   msgbox("Line 4: " & Replace(var,"is","##",5))
   
   ''s' is replaced by ## for the next 2 occurences.
   msgbox("Line 5: " & Replace(var,"s","##",1,2))
  
   ''r' is replaced by ## for all occurences textual comparison.
   msgbox("Line 6: " & Replace(var,"r","##",1,-1,1))
  
   ''t' is replaced by ## for all occurences Binary comparison
   msgbox("Line 7: " & Replace(var,"t","##",1,-1,0))
  
End Sub

执行上述函数后，将输出以下内容。

Line 1: This is MS VBScript Programming
Line 2: This is vbScript Programming
Line 3: Th## ## VBScript Programming
Line 4: ## VBScript Programming
Line 5: Thi## i## VBScript Programming
Line 6: This is VBSc##ipt P##og##amming
Line 7: This is VBScrip## Programming