Syntax

stat = ISISSN(issn)

Arguments

stat: integer

issn: text

Meaning

stat will be 1 if issn is a valid ISSN code, and 0 if it is not.

Example 1

stat = ISISSN('0927-2739')

Result

stat is 1.

Example 2

stat = ISISSN('12345')

Result

stat is 0.