Unicode C

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.

Unicode C

#include <C_CkDateTimeW.h>

void ChilkatSample(void)
    {
    HCkDateTimeW dt;
    const wchar_t *ulid;
    BOOL valid;

    dt = CkDateTimeW_Create();

    // 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 = L"01GRGCH4J88RECEN4D4VK4F629";
    valid = CkDateTimeW_UlidValidate(dt,ulid);
    wprintf(L"valid: %d\n",valid);

    // Here's an invalid ULID
    ulid = L"71GRGxx4Jr8RECEN4D4VK4F62!";
    valid = CkDateTimeW_UlidValidate(dt,ulid);
    wprintf(L"valid: %d\n",valid);


    CkDateTimeW_Dispose(dt);

    }