Citrix Systems Network Router 9.2 User Manual

The following operation returns a numeric value that shows the number of 
characters (not bytes) of a string:

text.LENGTH

For example, you may want to identify request URLs that exceed a particular 
length. Following is the expression that implements this example:

HTTP.REQ.URL.LENGTH < 500

After taking a count of the characters or elements in a string, you can apply 
numeric operations to them. For more information, see 

The following operation turns case sensitivity on or off for an expression.

text.EQ("string")

Returns a Boolean TRUE value if the target is an exact 
match with string.

For example, the following expression returns a 
Boolean TRUE for a URL with a host name of 
“myhostabc”:

http.req.url.hostname.eq("myhostabc")

STARTSWITH("string")

Returns a Boolean TRUE value if the target begins 
with string.

For example, the following expression returns a 
Boolean TRUE for a URL with a host name of 
“myhostabc”:

http.req.url.hostname.

startswith("myhost")

text.ENDSWITH("string")

Returns a Boolean TRUE value if the target ends with 
string.

For example, the following expression returns a 
Boolean TRUE for a URL with a host name of 
“myhostabc”:

http.req.url.hostname.endswith("abc") 

text.SET_TEXT_

MODE(IGNORECASE| 

NOIGNORECASE)

This operation turns case sensitivity on or off 
for all text operations.