VBScript Replace Function
Definition and Usage
The Replace function can replace one string with another specified number of times.
Syntax
Replace(string,find,replacewith[,start[,count[,compare]]])
| parameter | Description |
|---|---|
| string | Required. The string that needs to be searched. |
| find | Required. The part of the string that will be replaced. |
| replacewith | Required. The substring to be replaced. |
| start | Optional. Specifies the starting position. The default is 1. |
| count | Optional. Specifies the number of replacements to be made. The default is -1, indicating all possible replacements. |
| compare | Optional. Specifies the type of string comparison to be used. The default is 0. |
Value of parameter compare:
| Constant | Value | Description |
|---|---|---|
| vbBinaryCompare | 0 | Perform binary comparison. |
| vbTextCompare | 1 | Perform text comparison. |
Possible values returned by Replace:
| Possible parameter values | Value returned by Replace |
|---|---|
| expression is zero-length | Zero-length string (""). |
| expression is Null | Error. |
| find parameter is zero-length | Copy of expression. |
| replacewith parameter is zero-length | Copy of expression, with all content specified by the find parameter removed. |
| start > Len(expression) | Zero-length string. |
| count is 0 | Copy of expression. |
Instance
Example 1
dim txt txt="This is a beautiful day!" document.write(Replace(txt,"beautiful","terrible"))
Output:
This is a terrible day!
