{
"$schema": "https://json-structure.org/meta/core/v0/#",
"$id": "https://raw.githubusercontent.com/api-evangelist/weather-gov/refs/heads/main/json-structure/weather-gov-iso8601-duration-structure.json",
"name": "ISO8601Duration",
"description": "A time duration in ISO 8601 format.",
"type": "string",
"pattern": "^P(\\d+Y)?(\\d+M)?(\\d+D)?(T(\\d+H)?(\\d+M)?(\\d+S)?)?$"
}
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