{
"$schema": "http://json-schema.org/draft-04/schema#",
"title": "currency",
"description": "The three-character code or hexadecimal string used to denote currencies",
"type": "string",
"link": "currency",
"pattern": "^([a-zA-Z0-9<>(){}[\\]|?!@#$%^&*]{3}|[A-F0-9]{40})$"
}