VBScript InStrRev Function

Quiz

InStrRev

The InStrRev Function returns the first occurrence of one string within another string. The Search happens from right to Left.

Syntax

InStrRev(string1,string2[,start,[compare]])

Description

String1, a Required Parameter. String to be searched.
String2, a Required Parameter. String against which String1 is searched.
Start, an Optional Parameter. Specifies the Starting position for the search. The Search begins at the first position from right to left.
Compare, an Optional Parameter. Specifies the String Comparison to be used. It can take the below mentioned values −
- 0 = vbBinaryCompare - Performs Binary Comparison(Default)
- 1 = vbTextCompare - Performs Text Comparison

Example

<!DOCTYPE html>
<html>
   <body>
      <script language = "vbscript" type = "text/vbscript">
         var = "Microsoft VBScript"
         document.write("Line 1 : " & InStrRev(var,"s",10) & "<br />")
         document.write("Line 2 : " & InStrRev(var,"s",7) & "<br />")
         document.write("Line 3 : " & InStrRev(var,"f",-1,1) & "<br />")
         document.write("Line 4 : " & InStrRev(var,"t",5) & "<br />")
         document.write("Line 5 : " & InStrRev(var,"i",7) & "<br />")
         document.write("Line 6 : " & InStrRev(var,"i",7) & "<br />")
         document.write("Line 7 : " & InStrRev(var,"VB",1))
      </script>
   </body>
</html>

When you save it as .html and execute it in Internet Explorer, then the above script will produce the following result −

Line 1 : 6
Line 2 : 6
Line 3 : 8
Line 4 : 0
Line 5 : 2
Line 6 : 2
Line 7 : 0

vbscript_strings.htm

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