name-value-strcasestr

Same as name-value-strstr above except that the match is not case sensitive.

<match:request-header operation="name-value-strcasestr" argument1="Referer" argument2=".domain.com">

!name-value-strcasestr: matches if either the given header name is not present or the substring specified in metadata is not part of the header's value. The match is not case-sensitive.