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B4X

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.

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B4X
Dim dt As ChilkatDateTime
dt.Initialize

'  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
Dim ulid As String = "01GRGCH4J88RECEN4D4VK4F629"
Dim valid As Boolean = dt.UlidValidate(ulid)
Log("valid: " & valid)

'  Here's an invalid ULID
ulid = "71GRGxx4Jr8RECEN4D4VK4F62!"
valid = dt.UlidValidate(ulid)
Log("valid: " & valid)