Citrix Systems Network Router 9.2 Benutzerhandbuch

http header.

CONTAINS("string")

Returns a Boolean TRUE if the string argument appears 
in any instance of the header value.

Note: This operation overrides any text-based Contains 
operations on all instances of the current header type. 

Following is an example of request with two headers:

HTTP/1.1 200 OK\r\n

MyHeader: abc\r\n

Content-Length: 200\r\n

MyHeader: def\r\n

\r\n

The following returns a Boolean TRUE:

http.res.header("MyHeader").

contains("de") 

The following returns FALSE. Note that the NetScaler 
does not concatenate the different values.

http.res.header("MyHeader").

contains("bcd")

http header.COUNT

Returns the number of headers in a request or response, 
to a maximum of 15 headers of the same type. The 
result is undefined if there are more than 15 instances of 
the header.

Following is sample data in a request:

HTTP/1.1 200 OK\r\n

MyHeader: abc\r\n

Content-Length: 200\r\n

MyHeader: def\r\n

\r\n

When evaluating the preceding request, the following 
returns a count of 2:

http.res.header("MyHeader").count