External module "IsISBN"

isISBN

• isISBN(value: string, version?: "10" | "13"): boolean

• Checks if the string is an ISBN (version 10 or 13). If given value is not a string, then it returns false.

  Parameters

  • value: string

    The value being checked.

  • Optional version: "10" | "13"

  Returns boolean

  True if the string is an ISBN, false otherwise.