Deleng sumber Template:Script/doc/id-unk/is-iso-alpha4

Pengwarkatan

Returns input alpha4 when existing, <blank> when not existing (per #default).

"Special ISO codes" (number 900-999) are NOT recognised here (Qaaa..Qabx, Zinh Zmth Zsye Zsym Zxxx Zyyy Zzzz).

List of ISO codes as of 2021-02-17 (201 regular codes)

• >Adlm → Adlm

• >Aaaa →