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Classic ASP

Generating Random ASCII Strings

See more PRNG Examples

Demonstrates how to generate random us-ascii strings.

Chilkat Classic ASP Downloads

Classic ASP
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
success = 0

' This example assumes the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

success = 0

set fortuna = Server.CreateObject("Chilkat.Prng")

' Generate random strings having only lowercase chars (a-z)
' Disallow digits and uppercase and only allow lowercase
bDigits = 0
bUppercase = 0
bLowercase = 1

Response.Write "<pre>" & Server.HTMLEncode( "-- only lowercase alpha (a-z)") & "</pre>"
For i = 1 To 10
    ' Generate 20-character strings.
    Response.Write "<pre>" & Server.HTMLEncode( fortuna.RandomString(20,bDigits,bLowercase,bUppercase)) & "</pre>"
Next

' Allow both lowercase and uppercase alpha chars
bUppercase = 1
Response.Write "<pre>" & Server.HTMLEncode( "-- lower and uppercase alpha (a-zA-Z)") & "</pre>"
For i = 1 To 10
    ' Generate 20-character strings.
    Response.Write "<pre>" & Server.HTMLEncode( fortuna.RandomString(20,bDigits,bLowercase,bUppercase)) & "</pre>"
Next

' Allow digits (0-9)
bDigits = 1
Response.Write "<pre>" & Server.HTMLEncode( "-- digits and lower/uppercase alpha (0-9a-zA-Z)") & "</pre>"
For i = 1 To 10
    ' Generate 20-character strings.
    Response.Write "<pre>" & Server.HTMLEncode( fortuna.RandomString(20,bDigits,bLowercase,bUppercase)) & "</pre>"
Next

' Allow only digits (0-9)
bUppercase = 0
bLowercase = 0
Response.Write "<pre>" & Server.HTMLEncode( "-- only digits (0-9)") & "</pre>"
For i = 1 To 10
    ' Generate 20-character strings.
    Response.Write "<pre>" & Server.HTMLEncode( fortuna.RandomString(20,bDigits,bLowercase,bUppercase)) & "</pre>"
Next

%>
</body>
</html>