Citrix Systems Network Router 9.2 User Manual

.AFTER_

STR(

"

"

)

Extracts the text that follows the first occurrence of the 
string argument.The headers are evaluated from the last 
instance to the first.

Following is an example of a request:

HTTP/1.1 200 OK\r\n

MyHeader: 111abc\r\n

Content-Length: 200\r\n

MyHeader: 111def\r\n

\r\n

The following extracts the string "def" from the last 
instance of MyHeader. This is value "111def".

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

str("111")

The following extracts the string "c" from the first 
instance of MyHeader. This is the value "abc111".

http.res.header

("My

Heade

r").

after_

str

("1ab") 

.BEFORE_

STR(

"

"

)

Extracts the text that appears prior to the first 
occurrence of the input string argument.The headers are 
evaluated from the last instance to the first.

Following is an example of a request that contains 
headers:

HTTP/1.1 200 OK\r\n

MyHeader: abc111\r\n

Content-Length: 200\r\n

MyHeader: def111\r\n

\r\n

The following extracts the string "def" from the last 
instance of MyHeader. This is the value "def111".

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

str("111")

The following extracts the string "a" from the first 
instance of MyHeader. This is the value "abc111".

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

str("bc1")