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URL prebuilt entity for a LUIS app

Important

Language Understanding Intelligent Service (LUIS) will be fully retired on March 31, 2026. LUIS resource creation isn't available. Beginning on October 31, 2025, the LUIS portal will no longer be available. We recommend migrating your LUIS applications to conversational language understanding to benefit from continued product support and multilingual capabilities.

URL entity extracts URLs with ___domain names or IP addresses. Because this entity is already trained, you do not need to add example utterances containing URLs to the application. URL entity is supported in en-us culture only.

Types of URLs

Url is managed from the Recognizers-text GitHub repository

Resolution for prebuilt URL entity

The following entity objects are returned for the query:

https://www.luis.ai is a great Azure AI services example of artificial intelligence

The following JSON is with the verbose parameter set to false:

"entities": {
    "url": [
        "https://www.luis.ai"
    ]
}

Next steps

Learn about the ordinal, number, and temperature entities.