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Classic ASP

Validate a ULID

See more ULID/UUID Examples

Checks to see if a ULID is valid.

Important: Chilkat's ULID functionality was introduced in v9.5.0.94.

Chilkat Classic ASP Downloads

Classic ASP
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
set dt = Server.CreateObject("Chilkat.CkDateTime")

' A ULID must be exactly 26 chars in length,
' and is composed of the following chars: 0123456789ABCDEFGHJKMNPQRSTVWXYZ
' Note: The ULID alphabet excludes the letters I, L, O, and U

' Here's a valid ULID
ulid = "01GRGCH4J88RECEN4D4VK4F629"
valid = dt.UlidValidate(ulid)
Response.Write "<pre>" & Server.HTMLEncode( "valid: " & valid) & "</pre>"

' Here's an invalid ULID
ulid = "71GRGxx4Jr8RECEN4D4VK4F62!"
valid = dt.UlidValidate(ulid)
Response.Write "<pre>" & Server.HTMLEncode( "valid: " & valid) & "</pre>"

%>
</body>
</html>