Pustaka referensi
Cheatsheet Validasi Data
Pengingat validasi telepon, Luhn, IBAN, VAT, GTIN, dan ISO negara.
Phone prefix
Referensi: Normalize common international phone input.
+1 415 555 0100Luhn sample
Referensi: Check digit pattern for card-like identifiers.
4242 4242 4242 4242IBAN sample
Referensi: Validate country prefix and checksum.
DE89370400440532013000GTIN sample
Referensi: EAN/GTIN check digit example.
4006381333931