format: url
pattern: ^((?:http|ftp)s?:\/\/)?(?!.*\/\/.*$)(?:(?:[A-Za-z0-9](?:[A-Za-z0-9-]{0,61}[A-Za-z0-9])?\.)+(?:[A-Za-z]{2,6}\.?|[A-Za-z0-9-]{2,}\.?)|localhost|\[[a-f0-9:]+\]|\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})(?::\d+)?(?:\/?|[/?]\S+)$
type: string