eli:string-iana 

A IANA-registered media type

Simple Type Information

Used By

Attribute eli:FormatType/@eli:format

Source 

<simpleType name="string-iana">
  <annotation>
    <documentation>A IANA-registered media type</documentation>
  </annotation>
  <restriction base="string">
    <pattern value="(application|audio|font|image|message|model|multipart|text|video)/.+"/>
  </restriction>
</simpleType>