MPEG-7 Schema Search Engine

	search		list		tutrial

basicDurationType

  <simpleType name="basicDurationType">
    <restriction base="string">
      <pattern value="\-?P(\d+D)?(T(\d+H)?(\d+M)?(\d+S)?(\d+N)?(\d{2}f)?)?(\d+F)?((\-|\+)\d{2}:\d{2}Z)?"/>
    </restriction>
  </simpleType>